BMW 4 Series vs Peugeot 408

What's the difference?

The BMW M440i xDrive Gran Coupe manages to combine sleek design with a fun-to-drive personality and surprising practicality. It’s a rapid premium, four-door, five-seater offering extra flair, and in this part of the market, good value. But more than anything else it’s got a cracking in-line six under the bonnet.

The Peugeot 408 GT Hybrid delivers heaps of standard equipment and safety tech for what is now a much more competitive price. It’s also super fuel-efficient, which is right for these turbulent times, offers thoughtful practicality and the wagon-fastback-crossover-SUV look is striking. The price paid for miserly economy is a peaky small-engine powertrain and the ownership promise isn’t exactly class-leading. That said, it deserves consideration in its new, even more competitive under $60K mid-size SUV segment.

So, how does this four-door 4 Series differ from a four-door 3 Series? The answer is as plain as the nose on this car’s face.

BMW’s head of design, Adrian van Hooydonk, has been expanding the brand’s signature ‘kidney grille’ in every conceivable direction, and this is the much talked about interpretation adorning all 4 Series models (petrol, hybrid and electric) as well as the M3 sedan.

The new Gran Coupe is longer, wider, and taller than the outgoing model, and the track is broader, front and rear. The wheelbase has also been extended, now a whole 5.0mm longer than the 3 Series.

The DRLs and headlight main beams are LED with laser high beams, immense gills square up the edges of the front clip, while a vent and the strake attached to it stand the car apart. Plus, of course, the doors are frameless. 

One niggle, though. I’m not in love with the slender door handles. It’s hard to get a good grip on them, especially in the wet. 

Standard 19-inch alloy rims are shod with Pirelli P Zero rubber 245/40 fr / 255/40 rr), the roofline slopes distinctly towards the rear, a lip spoiler on the trailing edge of the tailgate is classic BMW, darkened LED tail-lights wrap around the rear corner, and a diffuser-type panel is flanked by large exhaust apertures.

Our car’s ‘Aventurine Red’ finish is a $3850 option, but to my eyes anyway it looks superb.

Exterior trim including the grille frame, front air intake inserts, mirror upper housing, model designation badges, and tailpipe are finished in ‘Cerium Grey’, which I reckon 99.9 per cent of people will see as black. 

The interior will be familiar territory for any current BMW owner, the 12.3-inch digital instrument screen sitting in a compact, hooded binnacle, and partnering with a 10.25-inch multimedia display standing proud of the dash above the broad centre stack. 

The seats are trimmed in top-shelf leather with blue contrast stitching, plus the grippy sports wheel is also wrapped in genuine hide.

BMW calls the finish on the main buttons and controls ‘Galvanic’ which translates to a slick silver metallic look and feel. Configurable ambient interior lighting is a nice touch, and the broad console enhances the driver-focused feel, with a sprinkling of carbon-fibre around the centre console and dash lifting the sense of occasion.

Overall, the interior feels clean and classy with an obvious attention to detail.  

Peugeot Design Director Matthias Hossann has been guiding the brand’s look and feel since 2020 and the result is a recognisable approach across the range with enough flexibility to give each model its own personality.

Recurring themes include the dramatic, fan-like grille with body-colour elements, narrow angled LED daytime running lights (DRLs) slicing through the outer edges of the nose and sinister tapered headlights set into the front corners.

The rear end maintains the visual drama with a stacked, angular treatment sectioning off the ‘Claw Effect’ LED tail-lights (the Peugeot brand mark is a Lion), chamfered mid-section and chunky bumper.

And among what increasingly feels like a mass of same-same newcomers the 408’s sloping turret and high, wide haunches give the car a distinctively sporty fastback look.

The interior is classy and clean although the almost uniformly grey colour palette is unrelenting.

The two-tier dash adds visual interest and a combination of sweeping curves and clean, straight lines around the cabin lift the tone. Nappa leather trim with the ribbed seat centre panels using perforated hide also looks classy.

But then we come to the ‘iCockpit’ instrument display and steering wheel combination. It’s based on the idea that reducing the size of the steering wheel and lowering its position while flattening its top and raising the location of the instrument binnacle is a better solution than the traditional look-through-the-steering wheel approach.

It doesn’t work for everyone and it doesn’t work for me. As noted in previous Peugeot reviews, after more than a decade in existence various members of the CarsGuide editorial staff continue to struggle with the arrangement, while others love it. 

For me, the wheel feels too low, yet the top of it obscures the lower part of the instrument panel. While it may work well for others I see it as the answer to a question no one was asking.

At close to 4.8m long the 4 Series Gran Coupe is a sizeable machine. Up front, the feeling is airy and comfortable, and the rear is surprisingly spacious, especially in light of the car's sloping roofline.

At 183cm I have to fold myself tightly to fit under the low roof, but once inside I have enough room to sit behind the driver’s seat set for my position with more than enough legroom and adequate headroom. Put three full-size adults across the back row, though, and there will be breathing difficulties.

Kids will be fine, however, and individual vents with adjustable temp in the rear was a big plus during a particularly hot test week.

For storage there are generous door bins in the front with room for large bottles, a decent glove box, dual cupholders in the centre console, a reasonable lidded bin (which doubles as a centre armrest), and the wireless device charging bay (forward of the gearshift) makes a handy oddments space when not in use.

In the rear, again the doors feature pockets with room for (medium-size) bottles, there’s a fold down centre armrest with two cupholders, but thanks to the one-piece shells on our test car’s optional M Sport front seats there are no map pockets.

Power and connectivity runs to a USB-A socket and a 12V outlet in the front centre console, as well a USB-C port in the front storage bin, a pair of USB-Cs in the rear, and a 12V outlet in the boot.

Speaking of which, lift the tailgate and with the rear seat upright we were able to fit all three of our suitcases or the beefy CarsGuide pram into the healthy 470-litre (VDA) boot space.

Lower the 40/20/40 split-folding rear seat down and 1290 litres of volume is at your disposal. Plus there are handy bag hooks and tie-down anchors to help secure loose loads.

You can also tow a braked trailer up to 1.8 tonnes (750kg unbraked), but don’t bother looking for a spare of any description, a repair/inflator kit is your only option.

At close to 4.7m long, around 1.9m wide and a bit less than 1.5m tall with a 2790mm wheelbase, the 408 sits in the middle of the typical mid-size five-seater footprint.

Ample room in the front, although the lower section of the two-tier dash protrudes a fair way towards the driver and front passenger and the centre console is broad so it feels snug rather than airy.

Storage includes generous door bins with room for larger bottles, a lidded (and illuminated) bin between the seats that doubles as a centre armrest, two cupholders in the console with an oddments tray ahead of them and a decent glove box with an extra pocket built into the lid.

Switching to the rear, sitting behind the driver’s seat set for my 183cm position, there’s loads of leg- and headroom and enough width for three adults when required and more than enough for a trio of up to mid-teenage kids. Centre rear is less of a short-straw position, too, thanks to a relatively low and flat central tunnel.

The lack of a fold-down rear centre armrest is a miss mainly because it means there are no cupholders in the rear. But there are decent door bins with a space for smaller bottles, netted map pockets on the front seatbacks and a storage cubby at the back of the front centre console.

Speaking of which, individual air vents in the back of that console are a welcome addition.

 The boot is large for the class at 508 litres (VDA) with the rear seat upright and 1583 litres with the 60/40 split-folding backrest folded down. The power tailgate (with foot sensor and pedestrian detection) also makes life easier.

Other thoughtful touches include four load tie-down anchors, a netted pocket on the right-hand side, elasticised straps on the left-hand side, specific lighting and a pair of bag hooks.

Power and connectivity options include two USB-C sockets, a 12-volt outlet and a wireless phone charging pad in the front, another two USB-Cs in the back and a second 12V plug in the boot. So no problems with charging capacity for phones and other devices.

Maximum braked trailer towing capacity is a useful 1300kg (750kg unbraked) but we have to put a big black mark against provision of a repair/inflator kit rather than a physical spare. Not good enough for the Aussie market. 

The previous plug-in version of the current 408 Hybrid was a 1.6-litre, turbo-petrol, four-cylinder paired with a relatively large electric motor and cost-of-entry sat at $67,990, before on-road costs.

A shift to this car’s mild-hybrid powertrain, built around a 1.2-litre, turbo-petrol, three-cylinder engine matched up with an appreciably smaller battery and electric motor coincided with a 15 per cent ($10,000) price reduction to $57,990, BOC.

Convenience or consequence? Either way, it’s opened up a new competitive set with the focus shifting from the likes of the Lexus NX, Mazda CX-60 PHEV and Volvo XC60 to a fresh batch of sub-$60K rivals.

Think Honda CR-V e:HEV RS ($59,900, drive-away), Hyundai Tucson AWD 1.6 Hybrid Premium ($58,350, BOC), Kia Sportage GT-Line HEV FWD ($57,370, BOC), Nissan X-Trail Ti e-Power 5 seat AWD ($58,215, BOC), Subaru Forester AWD Hybrid Touring ($55,990, BOC) and the Toyota RAV4 XSE Hybrid AWD ($59,015, BOC).

Suddenly the Peugeot’s included features list sits in a new context and aside from the performance and safety tech we’ll get to shortly, standard equipment highlights include dual-zone climate control air, full-grain Nappa leather seat trim, a leather-trimmed (heated) steering wheel, Alcantara door trim, 3D satellite navigation and 10-speaker 690-watt Focal audio (with digital radio) as well as wireless Android Auto and Apple CarPlay.

Then there’s power-adjustable driver (eight-way) and front passenger (six-way) seats that are also heated with a ‘multi-point’ massage function, keyless entry and start, a 10-inch digital 3D instrument panel, a 10-inch multimedia touchscreen, auto LED matrix headlights, eight-colour ambient lighting, chrome trimmed pedals, a power tailgate, heated power-folding exterior mirrors, a panoramic glass sunroof, 19-inch alloy wheels, auto rain-sensing wipers and more. 

Then you can add over-the-air updates, access to remote services via the ‘MyPeugeot’ app and ‘Ok Peugeot’ voice recognition.

That’s an impressive basket of fruit for an under-$60,000 car. 

Under the bonnet is BMW’s (B58) all-alloy 3.0-litre twin-scroll turbo intercooled, in-line six-cylinder engine, driving all four wheels via an eight-speed automatic transmission and electronically controlled clutch pack, as well as an electronic limited-slip differential at the rear.

It features high-pressure direct-injection and BMW’s ‘Valvetronic’ system managing air flow to the intake side, to produce 285kW at a relatively high 5800-6500rpm. But the big punch is 500Nm of peak torque from just 1900rpm all the way to 5000rpm.

The M440i is also a mild-hybrid with a 48-volt starter motor-generator and supplementary battery able to give an 8.0kW kick at low engine speeds.

The Peugeot 408 Hybrid is powered by a 1.2-litre, turbo-petrol, three-cylinder engine producing 100kW at 5500rpm and 230Nm at 1750rpm.

This compact, all-alloy, direct-injection unit works in concert with a single 15.6kW/51Nm 48-volt electric motor integrated into the six-speed dual-clutch auto transmission and energised by a 0.9kWh lithium-ion battery.

Drive goes to the front wheels only and Peugeot claims a 0-100kmh sprint time of 9.4 seconds.

BMW’s official fuel economy figure for the M440i xDrive Gran Coupe, on the ADR 81/02 - urban, extra-urban cycle, is 8.2L/100km, the 3.0-litre turbo six-cylinder emitting 187g/km of C02 in the process.

Stop/start is standard, and we saw an average of 11.1L/100km over city, B-road and freeway running during a week with the car.

With the 59-litre tank brimmed (with minimum 95RON premium unleaded) that real-world test number translates to a range of around 530km.  

The 408 Hybrid’s official fuel consumption figure for the combined (urban/extra-urban) cycle is 4.5L/100km, the 1.2L turbo triple emitting 102g/km of CO2 in the process.

And it’s important to point out those official (ADR 81/02) numbers for the 408’s consumption and emissions are better than any of the direct competitors we’ve called out in the ‘Price & Features’ section above. 

Over a week of mainly city and suburban running with some freeway sections thrown in, we recorded an on-test average of 6.0L/100km. Impressive for a mid-size crossover weighing in at a bit over 1.4 tonnes.

Brim the 52-litre tank with minimum 95 RON premium fuel (ethanol blends not recommended) and using our real-world figure you can expect a handy driving range in excess of 860km.

BMW says the M440i xDrive Gran Coupe will accelerate from 0-100km/h in 4.7sec, and I reckon the threshold for a properly quick car is sub-five seconds.

The 3.0-litre turbo six develops its peak power of 285kW between a relatively lofty 5800-6500rpm, but the big number is a solid 500Nm punch of pulling power delivered between 1900-5000rpm.

Squeeze the throttle pedal pretty much anywhere in the rev range and the response is glorious. Rapid acceleration accompanied by raucous engine noise and rorty exhaust note (albeit with some synthetic support). Various pops and bangs in the Sport settings add extra entertainment.. 

The eight-speed auto gets some electric support from the mild-hybrid system to fill the torque gap on up shifts, and the result is a conventional torque-converter transmission that behaves like a dual-clutch.

Shifts are seamless in general driving, and satisfyingly quick in a more aggressive mode, the wheel-mounted paddles dialing up the fun in manual changes. 

Suspension is double wishbone front and multi-link rear with the standard ‘Adaptive M Suspension’ built around an adaptive damper set-up.

The change between the ‘Comfort’ setting to the ‘Sport’ or ‘Sport+’ calibration is close to instant and makes a discernible difference, especially in terms of ride comfort.

I found the best ‘Individual Sport’ arrangement to be damping in Comfort, with the steering engine and transmission in Sport. The car flows so beautifully through corners with urgent response from the powertrain.

By all means dial up the suspension if you’re having a real crack, but the car feels superbly balanced, stable and predictable in Comfort (front to rear weight distribution is 50:50).

The electrically-assisted variable-ratio steering is nicely weighted with good road feel, and the grippy sports steering wheel is a nice point of contact.

The xDrive AWD system’s default setting is rear-biased, although it will push most of the drive forward when required. But the RWD feel is unmistakable. 

The M440i weighs in at around 1.9 tonnes but feels lighter and more nimble than that figure would typically indicate.  

A standard electronically-controlled M Sport limited-slip differential puts the power down confidently. I have a favourite LSD test corner on my regular evaluation drive, a sharply twisting and rising left-hander.

Rolling into it in a low gear before planting the throttle mid-corner, the car simply hunkers down without a hint of fuss (or traction loss) as it rockets out the other side.

Optional M Sport front seats ($2000) provide comfort and firm location in equal measure and in terms of ergonomics BMW knows how to focus on the driver and set-up an efficient environment. Key controls are perfectly positioned and simple to operate.

I have an issue with the ‘Lane Departure Warning’ function, however, which is too quick to intervene and overly intrusive when it does so. I turned the ‘Steering Intervention’ function off. You can dial down steering wheel vibration warnings, too.

The standard M Sport brakes feature big vented rotors front and rear, with fixed four-piston front calipers doing the bulk of the work. They’re strong but don’t bite or release too aggressively. It’s easy to grease in a smooth application. 

Even with the assistance of an electric motor in the transmission and a turbo on the engine, a 1.2-litre, petrol three-cylinder powering a more than 1.4-tonne five-seat car is always going to be an interesting equation.

And in practice, although the small triple’s peak torque (230Nm) is available from just 1750rpm it lacks the smoothness of larger capacity mild- and full-hybrid combinations. Especially at slower speeds, the powertrain feels relatively edgy and agitated.

Outright acceleration is fine (claimed 0-100km/h acceleration is 9.4sec) with decent mid-range pulling power for confident overtaking or decisive lane changing (a 15.6kW/51Nm boost from the motor playing its part) and the dual-clutch auto is a more polished example of what can be a fractious device. 

But engineering and tuning for maximum fuel-efficiency has an impact on driveability. For example, we noticed the air-conditioning system’s output softened at standstill, which led to some mild window fogging in stop-start traffic on a particularly humid morning. Haven’t seen that for a while. 

The strut front, torsion beam rear suspension delivers a compliant ride and responsive handling in classic Peugeot fashion. The steering in particular points accurately and provides good road feel. 

We’ve covered the intricacies of the i-Cockpit instrument and steering wheel configuration in the Design section as its shortcomings (for me, anyway) are more ergonomic than dynamic.  

The car is relatively quiet, thanks in part to sound-dampening acoustic glass and the Michelin e.Primacy tyres (205/55) which also grip persistently if you decide to slice through your favourite set of corners. Push the engine harder and it’s revvy note and exhaust rasp will start to make their presence felt. 

Regenerative braking is helpful and the physical brakes (ventilated discs and the front and solid rotors at the rear) are nice and progressive.

The front seats are firmer than the Peugeot norm but remain comfy enough and they provide enough side support to keep you well located. 

Despite the swoopy fastback design, all-around vision is surprisingly good and an overall length under 4.7m, an acceptable 11.2m turning circle, a clear reversing camera and a 360-degree camera view make parking straightforward. 

The 408 has a maximum five-star ANCAP rating from assessment in 2022 with active crash avoidance tech including Auto emergency braking (AEB) with pedestrian and cyclist detection, junction assist and backover detection, adaptive cruise (with stop & go), lane departure warning and lane keep assist, blind spot monitoring, traffic sign recognition, a 360-degree camera view, rear cross-traffic alert, forward collision warning, driver fatigue monitoring and tyre pressure monitoring as well as front and rear parking sensors.

If a crash is unavoidable there are six airbags onboard (front, front side and side curtain) but a front centre bag is notable for its absence. 

On the upside, an active bonnet helps protect impacted pedestrians from striking hard engine parts under the bonnet and multi-collision brake minimises the chances of subsequent impact after an initial crash. 

For child seats there are three top tether points across the second row with ISOFIX anchors in the outer positions.

The M440i Gran Coupe is covered by BMW’s three-year/unlimited km warranty (including paintwork), as well as 12-year/unlimited km anti-corrosion (perforation) cover. 

That’s off the premium market pace now with Genesis, Jaguar, and Mercedes-Benz at five years/unlimited km and Lexus set to join them from January 1st, 2022. 

That said, roadside assistance is provided for the duration of the main warranty, but it’s worth noting “rattles and squeaks” are only covered for one year.

Service is condition-based, the car telling you when maintenance is required, and a range of service packages are available. The basic plan covering a 4 Series for five years/80,000km comes in at $1750. 

Peugeot covers the 408 with a five-year/unlimited kilometre warranty, which is perilously close to sub-par in 2026 with an increasing number of brands at seven, eight and up to 10 years conditional. The battery warranty at eight years/160,000km matches the market.

Roadside assistance is included for five years, service is recommended every 12 months/15,000km and pre-paid servicing is offered across three-, four- or five-year plans, with the latter at $2070.

That’s a not insubstantial average of $414 per workshop visit, which Peugeot says will save you $893 compared to pay-as-you-go over the five years.

For reference, a Toyota RAV Hybrid service for any of the first five years is $260, although pricing steps up after that period.

Peugeot has a well established network of 31 dealers mainly covering major cities and key rural areas, primarily on the east coast. Currently, no presence in Tassie or the Northern Territory, while Perth and Adelaide are the only representation in WA and SA.