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Mazda3


Renault Megane

Summary

Mazda3

We all know that X means buried treasure in the world of children’s book pirates, but it’s looking like it could hold similar relevance for what lies under the bonnet of future Mazdas.

We first officially heard about Mazda’s industry-leading Skyactiv-X technology at the brand’s Global Tech Forum in Germany two years ago, but now we’ve ventured back to Germany to drive it in production form ahead of its Australian arrival aboard a new flagship version of the Mazda3 early next year. 

No other manufacturer has managed to productionise compression ignition for a petrol engine, and with an underlying intention to make the combustion engine work better for everyday driving, in the face of the electric-focus of all other global brands, this could be the most exciting technological development of my career.

Why invest so much in combustion engines if every other major brand is beginning to treat them like yesterday’s news? While the Japanese government predicts that 52 per cent of new cars sold in 2030 will use some form of electrification in their drivetrain, the same data suggests 90 per cent will still use an internal combustion engine as at least an element of their drivetrain. That’s 90 per cent of the market, more than a decade from now.

Safety rating
Engine Type2.5L
Fuel TypeRegular Unleaded Petrol
Fuel Efficiency6.6L/100km
Seating5 seats

Renault Megane

More power, more wheelarches, more steering, more doors and more transmissions. Aside from possibly the doors part, it's all sounding pretty rosy for the new third generation of Renault's Megane R.S. hot hatch.

The current Clio R.S. has followed a similar formula to great effect, improving its overall sales figures drastically, but it's fair to say it's lost a certain je ne sais quoi for the purists who've grown to worship the brand.

Selling cars vs brand building is always a tricky balance for car companies, but the previous Megane R.S. is giving the new model a handy head start with Australia being its third biggest market in the world.

Wander down the pit lane at any track day or tarmac rally, and you're bound to come across a handful of previous models. Often more than any other hot hatch, which is a clear sign of approval from those in the know who work their cars hard.

Will the new model build on that legacy? We were among the first to drive the new R.S. on road and track to find out at its Australian launch this week.

Safety rating
Engine Type1.8L turbo
Fuel TypePremium Unleaded Petrol
Fuel Efficiency7.5L/100km
Seating5 seats

Verdict

Mazda38.4/10

Unlike most big technological advancements, this isn’t about extra performance or reinventing the wheel, it’s about Mazda’s bigger picture approach to deliver the best mobility solutions for right now, while still planning for electric and fuel cell vehicles in the future.

That may sound like a line straight out of the Skyactiv-X press release, but Mazda’s realistic approach to our continued dependence on combustion engines is commendable. 

My final judgement will have to wait until we know how much more it will cost over a regular Mazda3, but I can say the technology works really well and should really suit Australian conditions.

Note: CarsGuide attended this event as a guest of the manufacturer, with travel and meals provided.


Renault Megane7.9/10

The new Megane R.S. is objectively a better car overall, and will probably appeal to more people, but it's not quite as special as the model it replaces.

It will be telling if the expected Trophy R flagship retains the all-wheel steering system, but in base R.S. guise its benefits are questionable.

It's an excellent hot hatch regardless, particularly on public roads, and I reckon it's at its best with the EDC transmission and the Alcantara and Bose option boxes ticked.

Do you think the new Megane R.S. is a step forward or sideways for Renault Sport? Tell us what you think in the comments section below.

Design

Mazda3

Aside from the stunning good looks of the new Mazda3, the only visual distinctions the Skyactiv-X version scores over a regular high-sec model are bigger exhaust tips like those seen on the latest version of the Mazda6, and a Skyactiv-X badge in place of the regular models’ Skyactiv-G. 


Renault Megane9/10

If you spend $80,240 on an Audi RS 3, you get the same skinny body as the base A3, but for just over half the price of an RS 3, the new Megane R.S. does a lot better in the muscular looks stakes.

You can't miss those bulging wheelarches on all four corners, which are needed to cover the 19-inch alloy wheels and tracks which have been widened by 60mm at the front and 45mm at the rear. They cost Renault a lot of money to change over the regular Megane, and no other current hot hatch manages to do it.

The front guards also feature functional air extraction vents and the look is capped with completely different front and rear bumpers and a central exhaust. Unlike most of its rivals, the rear diffuser is able to generate downforce in lieu of a big rear spoiler. The body kit is completed by fatter and lower sills on either side, and other dimensions are largely the same as a regular Megane hatch.

You won't mistake it for just any Megane from the outside, but the interior is a bit more subdued. If you're looking to trade up from the existing Megane GT, the only real changes you'll notice will be carbon-look inlays on the dash and doors and an R.S. logo on the steering wheel.

Aside from R.S. logos on the headrests, the front seats look outwardly similar to the sports seats in the GT, too, but have been treated to specific shaping and materials to balance everyday driving with the extra bolstering required for the track.

Practicality

Mazda3

It’s a similar story for practicality, except it’s completely identical to the regular Mazda3 this time. So expect the same decent interior packaging and convenience for four adults, with a 295L VDA boot and a space saver spare tyre under the boot floor. 


Renault Megane7/10

Unlike the last generation, the new model is a five-door hatch. This may not be as sexy as the three door, swooping coupe roofline of before, but it makes the R.S. a whole lot easier to live with.

Access is the number one benefit though, as the regular Megane's back seat is somewhat lacking in legroom, which is further compounded by limited toe room underneath the sport front seats.

The other big practicality must-haves are retained though, with two cupholders front and rear and bottle holders in each door. There are ISOFIX child seat mounts in the outboard positions, and it also gets the same 434-litre boot space as a regular Megane hatch, which is pretty decent for its class.

You'll only find an inflation kit instead of a spare tyre though, regardless of whether the Bose audio system is optioned.

Price and features

Mazda3

This is probably the biggest question mark above the Mazda3 Skyactiv-X’s head for now, with all we know being Mazda Australia’s plan to launch it as a new top-spec version, so sit above the existing $36,990 G25 Astina flagship. 

How far above will be the clincher, and given it’s not likely to quite match the performance of the G25, it will depend on what value you place on outright driveability and a marginal fuel saving over the base 2.0-litre engine. 

Like the rest of the Mazda3 line-up, we also expect to see the Skyactiv-X with a choice of hatch or sedan bodystyles with either manual or automatic transmissions.


Renault Megane8/10

The new R.S. kicks off $1000 higher than the previous R.S. 265 Cup starting point with a list price of $44,990 with the manual transmission. The EDC auto adds $2500, but the overall price list is still among the best value in its class.

It sits below key rivals like the recently revised $45,490 Golf GTI and the 308 GTis $45,990 starting point, and significantly below the identically priced $50,990 Civic Type R and all-wheel drive Focus RS, as well as the Golf R at $56,490.

However, the Renault is still trumped by the i30 N's $39,990 starting point, as well as entry-level offerings such as the $38,990 Ford Focus ST.

Only one Renault Megane Sport trim level is available for now, with the recently revealed Trophy due to be added in around 12 months. How much it will cost is yet to be determined.

Out of the box, the new R.S. features an 8.7-inch multimedia system capable of displaying performance analytics including acceleration, braking, and wheel angle. Apple CarPlay and Android Auto smartphone connectivity is also now built in, as is GPS sat nav.

It also gains R.S. badging, sport seats, a perforated leather steering wheel and shifter, dual-zone climate control, and heated folding side mirrors.

The only performance option at this stage is the Cup pack, which for just $1490 gets you a Torsen limited slip differential, a sharper suspension tune, red Brembos with two piece rotors that lower the unsprung mass by 1.8kg per corner, and a whole bunch of little detail changes under the skin. You can pick the Cup pack visually by its black versions of the standard wheels.

You can also upgrade the standard cloth trim to Alcantara for an extra $1190, add a 10-speaker Bose sound system for $500, and a panoramic sunroof for $1990.

The new 'Tonic Orange' hero colour is stunning, but it and the now classic 'Liquid Yellow' will set you back a further $880, while other metallic hues will cost $600. The only non-metallic colour is actually 'Glacier White', with the rest of the colours made up of 'Pearl White', 'Diamond Black', 'Titanium Grey' and 'Flame Red'.

Engine & trans

Mazda3

What’s compression ignition again? It’s basically how a diesel engine works, by using extreme pressure instead of spark plugs to burn fuel. Skyactiv-X still uses spark plugs, but only to kick off the ignition process and act as a safety net for cold starts and other edge cases, while extreme compression makes for much more effective combustion, which means improved efficiency. 

This combustion efficiency means the engine can use a much leaner fuel-to-air mixture, and make more power and torque with less fuel and even less wasted fuel out the exhaust. Mazda describes it as delivering diesel-like torque and fuel consumption, with the power, responsiveness and refinement of a petrol. Or in other words, one step away from turning water into wine... 

Mazda is calling the process Spark Controlled Compression Ignition (SPCCI), and the extreme pressures required to make it all happen are created by higher static compression ratio (but less than a typical diesel), much higher fuel pressure and boosted air pressure entering the combustion chamber. 

Key to managing all these heightened parameters (and the very technological advancement that makes it all possible) is an ultra sensitive in-cylinder pressure sensor that has been developed specifically for this task. 

Delivering the boosted air pressure is a Roots-type supercharger - or what Mazda describes as a high-response air supply - which was chosen over other air pump designs like a turbocharger or the Miller-cycle supercharger previously used in Eunos models because of its instantaneous boost delivery and breadth of efficiency.

Speaking of breadth of efficiency, perhaps the biggest plus for average motorists is that the engine’s efficiency zone has multiplied, meaning the difference between city and highway consumption, leadfoot drivers and my Dad, heavy and empty loads etc will be far less than a typical petrol engine.

This all represents a continuation of core principles we’ve seen from the start of Mazda’s Skyactiv era. That is, to make an existing engine type work better under everyday driving conditions rather than targeting outright performance.

The Skyactiv-X era starts with a 2.0-litre based on the regular Skyactiv-G engine, with the same 1998cc capacity. Other capacities are planned, with the eventual reborn rotary looking increasingly Skyactiv-X along with a straight-six version for a new CX-9 in a couple of years. Smaller versions are unlikely due to the economies of scale involved with such technology in a smaller and therefore cheaper car. 

Mazda is making two versions of the Skyactiv-X 2.0-litre for now, one with 16.3:1 compression designed for Europe that favours Premium unleaded petrol, and one 15:1 version aimed at the US with their abundance of lower grade unleaded. 

Unlike conventional engines, it’s the lower compression version that will deliver the biggest benefits, because Skyactiv-X relies on the usually “bad thing” pinging to do its best. 

We’re set to get the Euro-spec one in Australia, which unfortunately means we won’t quite be getting the very best Skyactiv tech again.

The Euro-spec engine puts out 132kW at 6000rpm and 224Nm from just 3000rpm, which on paper sounds about halfway between the existing Skyactiv-G 114kW/200Nm 2.0-litre and 139kW/252Nm 2.5-litre petrol engines.

The engine also incorporates a mild hybrid system, but don't be confused by the H-word, there's no electric drive element. It simply means its got a cleaver alternator that only engages when needed and on deceleration to reduce efficiency-sapping drivetrain friction,

Pop the bonnet and you’re confronted by the biggest engine cover you’ve ever seen, but unlike most, this one is equipped with labeled latches that encourage you to have a look underneath. This encouragement continues with a clever little retention hook to hold the cover up against the bonnet while you’re poking around.

Unless you’re a Mazda engineer you’re likely to be baffled by the array of hoses, ducts and wiring, but you might get a kick out of spotting the supercharger.

There’s less to be said for the transmissions though, with versions of the existing six speed manual and torque converter automatics deemed up to the task, with the new engine’s increased efficiency zone negating any increase to the ratio count. The ratios have been adjusted to suit the new output characteristics, and while the ratios are yet to be published, there’s a narrower spread across the six with what feels to be taller first and sixth gears.


Renault Megane8/10

There's no point having the bulgiest wheelarches in the business if you can't back them up with actual strength, and the new Megane R.S. manages to squeeze out an extra 4kW and 30Nm over the previous R.S. 275.

Technically this new model is the R.S. 280 after its power output in metric horsepower (hp), but the output figure nomenclature seems to have taken a step back this time around in favour of just R.S..

Either way, the new totals are 205kW and 390Nm, with the former reached at 6000rpm and the latter available from a higher than usual 2400-4800rpm.

A twin scroll turbocharger is once again utilised, but the new engine drops from 2.0-litres to 1.8 and is shared with the new Alpine A110 sports car. The Alpine tune is just 185kW/320Nm though, and Renault claims the Megane R.S. spec is the most powerful 1.8-litre motor on the market.

The base engine has been co-developed with Nissan as part of the Renault-Nissan Alliance, but features a specific cylinder head design in Renault form, with a reinforced structure and redesigned cooling passages. It also features plasma-lined cylinder bores like the Nissan GT-R. Previous Megane R.S. owners will be glad to learn that the new engine uses a timing chain instead of a timing belt.

Perhaps the biggest surprise with the new Megane R.S. is that it retains a six-speed manual transmission as its default choice, even though a six speed dual-clutch (EDC) automatic is now available as an option for the first time. This conflicts with the Clio's EDC-only specs these days.

The Megane's EDC is a tweaked version of that used in several other Renault models, but with bespoke gear ratios, shift tuning and strengthening to suit the R.S.'s high torque loads. The weight penalty over the manual is just 23kg.

Gears can be manually selected via the shifter or shift paddles behind the steering wheel, and shift times get faster as you move between 'Comfort'/'Normal', 'Sport' and 'Race' drive modes.

One unique feature is 'Multi Change Down' mode, which will automatically select the best gear for a corner if you hold down the downshift paddle when in Sport or Race drive modes.

The EDC transmission also has 'Launch Mode' to optimise standing start acceleration.

Drive is still sent through the front wheels, but the R.S. now scores four-wheel steering to help with slow speed agility and high speed stability.

The '4Control' system is also seen on the Megane GT, and steers the rear wheels by up to 2.7 degrees to tighten the turning circle at slower speeds, and transitions to follow the front wheels in parallel to effectively extend the wheelbase at higher speeds. This transition generally happens at 60km/h, but moves to 100km/h when Race mode is selected.

Fuel consumption

Mazda3

All this hooha about fuel savings, and Mazda is yet to confirm an actual figure for Australia. We do know the hatch is rated at 4.5L/100km in manual and 5.3L/100km in auto according to the NEDC, which is historically close to the figures generated by the ADR 81/02 test we go by in Australia. 

If it comes close to matching the NEDC figure it will be a win, sitting comfortably under the 6.4L/100km (manual) and 6.2L/100km (auto) figures currently applied to the Skyactiv-G 2.0-litre Mazda3 hatch

While the Australian-spec Skyactiv-X engine is expected to align with Europe rather than the US, and therefore be tuned to deal with Premium 95 RON unleaded, it’s still unclear if it will accept the cheaper Regular 91 RON unleaded.


Renault Megane8/10

Renault claims an eight per cent fuel consumption improvement over the previous generation R.S., which leaves the new model with official combined figures of 7.4L/100km for the manual and 7.5 for the EDC.

As you'd expect with such a specific output, top-shelf 98 RON unleaded is needed, and the 50-litre fuel tank suggests a theoretical range between fills of at least 666km.

Driving

Mazda3

What’s probably most amazing about Skyactiv-X is that you can’t really tell there’s anything special going on under the bonnet. 

Push the start button and it gets going like any other petrol Mazda, although perhaps quieter. 

Move off from rest and there’s no significant difference to the way it feels. 

When I drove the prototype version of this drivetrain, there was a slight pinging under light throttle as it transitioned from spark to compression ignition, but I’m pleased to confirm that the extra two years of calibration has tuned this down to the tiniest occasional diesel sound, and it all feels a bit like a smooth diesel that’s more responsive than you expect.

The European-spec Skyactiv-X 2.0-litre’s outputs suggest it should be closer to the existing 2.5-litre in terms of performance, but in reality it feels closer to the 2.0 litre.

My perception is likely to be clouded by the Skyactiv-X’s specific transmission gearing, but it could also be because it’s able to do the same job with less revs and therefore not sound like it’s working so hard. 

First gear feels quite tall with either transmission, and we also found the auto and manual were only sitting on 3500rpm in sixth at 160km/h on the Autobahn. 

Mazda doesn’t specify performance figures, so it would be handy to put all three alongside each other from a standing start. But then, that’s not what Skyactiv-X is all about, it’s more about performing better under light throttle and incidental bursts of acceleration. 

We can’t wait to put it to the test over some hilly terrain and familiar territory when it hits Australia early next year.


Renault Megane8/10

Now for the important part.

I always felt the previous Megane R.S. was as if Porsche had been involved, and an assurance that if the Zuffenhausen brand does end up building front-wheel drive models it wouldn't be the end of the world.

It was so direct, tight as a drum and predictable. What you put into it is exactly what it gave back, so the new one has big shoes to fill.

We drove the standard car with the EDC transmission, as well as the Cup pack with the manual transmission around town, and put the R.S.'s money where its mouth is on track with the Cup pack at the Norwell Motorplex in Queensland.

Beyond those fantastic looks, the seats, the steering wheel and the raspy exhaust note are spot on for an R.S.

The steering itself is quite nice, too, no doubt due largely to the front suspension's specific 'independent steering axis' steering knuckles, which move the steering axis 13mm closer to the hub face on each side to reduce torque and bump steer.

You'd expect it to ride like a rollerskate based on the 35 series rubber at each corner, but the ride comfort is actually quite livable.

This continues right through the spectrum of road conditions, with the crashiness that some hot hatches suffer over big bumps absent. This is likely due to its hydraulic compression stop dampers, which effectively puts a dampening bump stop within each shock absorber to create second stage dampening instead of a sudden thud. The new R.S. is proof that you don't have to be harsh to be fast.

The EDC transmission's tune is much nicer than in any other Renault I've experienced, regardless of drive mode, with responsive automatic shifts and quick manual shifts when needed. The manual is also fine, but the fat gear lever doesn't feel as mechanical as I'd like in a driver's car.

The new engine's smaller capacity makes itself known around town, with max torque not available until 2400rpm. Most current turbos manage this sooner, but it's worth noting that the new engine does manage to deliver peak torque 600rpm earlier than the previous 2.0-litre. Once you're underway though, it feels every bit of its 205kW/390Nm.

The 4Control all-wheel steering is largely undetectable under general driving conditions, but when it does become apparent (when you're having fun), it's pros also bring a few cons.

If you're heading through a bunch of corners of varying speeds, which let's face it, most twisty roads do, it's mildly annoying how the all-wheel steering shifts between modes, particularly if it happens mid corner. Think of it as a variable wheelbase and you'll get an idea of what I mean.

The torsion beam rear suspension on the other hand feels fine, and a more complex independent set-up would certainly push the new model's 34-57kg weight gain much higher. For the record, the manual weighs 1427kg, while the EDC is 1450.

The Norwell Motorplex circuit may be dead flat, but its surface is quite bumpy and therefore handy for performance testing a road car.

Once again, the new R.S.'s fundamentals seem fine, and the Cup's stiffer suspension didn't make it skittish on the circuit.

It puts the power down brilliantly through the Torsen diff and 245-section tyres, allowing you to get on the power much earlier and its amazing how it hauls for a 1.8 litre in a near-1.5 tonne car. The official 0-100km/h acceleration claim with either transmission is an impressive (for a front driver) 5.8s, which is also in line with the previous generation's Trophy R ultimate incarnation.

Those 355mm front Brembos reign it in nicely too, retaining a consistent feel after five or so laps of Norwell where we saw 155km/h along the back straight.

The all-wheel steering's effects are more obvious on the track, with quite a few of the corners straddling the 60km/h transition point in all modes aside from Race. The long sweeper straddles the 100km/h transition point in Race, so that's hardly the solution. You're effectively switching wheelbase lengths depending on which corner you're in, and often mid-corner.

It isn't drastic or dangerous, but it adds another dimension to your judgement of corner speeds that would take some getting used to.

Salvation is likely at hand though, as I learned after our drive that it's possible to turn off the 4Control system via the Perso drive mode that allows elements to be adjusted independently. We can't wait to give that a crack.

Safety

Mazda3

The existing Mazda3’s maximum five-star ANCAP safety rating will almost certainly be carried over, and the high level of safety gear fitted to the existing G25 Astina is also likely to be matched. 

This means front and rear airbag coverage, front and rear AEB, front and rear cross-traffic alerts, lane keeping assistance and blind-spot monitoring


Renault Megane8/10

ANCAP is yet to give any Megane a safety rating, but the regular hatch, sedan and wagon carry a five-star rating from EuroNCAP.

All variants are equipped with front, side and curtain airbags that extend to the back seat, plus the usual suite of stability and traction control functions and front and rear parking sensors and a reversing camera.

It also thankfully comes standard with AEB, active cruise control, lane departure warning, and blind-spot monitoring.

Ownership

Mazda3

Service pricing is also yet to be confirmed, but Mazda engine development boss Eiji Nakai assures CarsGuide that the new engine will not need servicing more frequently or cost any more to service than existing Skyactiv-G engines.  

So expect the same 12month/10,000km intervals, with five year/50,000km capped servicing plan totalling just under $2000 over that period.  

Like all new Mazdas, the recently upgraded five-year, unlimited kilometre warranty will apply to the 3 Skyactiv-X. 


Renault Megane7/10

One detail you should be aware of is that Renault Sport models have dropped back to a three year warranty as of May 1, 2018. Kilometres are still unlimited, but all other Renault passenger models carry a five year term.

Service intervals are a decent 12 months or 20,000km, and the first three services are capped at $399 each.

If any reliability issues arise, you'll likely find them on our Megane R.S. problems page.