Audi RS4 vs Ferrari Roma

What's the difference?

What a way to send off this generation of Audi RS4 and RS5. The extra focus courtesy of those trick coil overs and drama from the exhaust plus the sharper gear changes deliver the best Audi has done with these RS products. 

There are some compromises, with the suspension favouring outright control over low-speed comfort. It’s also true that the current BMW’s M3 and M4 are more impressive, but when the products are nearly seven years fresher than Audi’s, what do you expect? 

Plus, those looking for a more restrained and polite fast executive sedan (or wagon) will gel with the Audi’s sophistication. There aren’t many of these Competition Plus RS4 and RS5s coming to Australia and they are impressive visually and from behind the wheel. It’s a fitting way to send off the current generations.

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

The Ferrari Roma is like a trained assassin in a Zegna suit - capable and clinical yet stylish and effortlessly superior. We believe there’s a replacement coming later this year and it will have to be doing well to top this superb machine.

The RS4 Avant’s 'Progressive Red' metallic helps the black milled 20-inch alloy wheels pop. Its stance is hugely purposeful with wheels tucked right up in the blistered arches courtesy of the lowered ride height — it's how the Avant would have looked in a design sketch.

The visual bulk of the long-roofed RS4 gives it the sort of proportions motoring journalists love to wax lyrical about, even if plenty of buyers still prefer coupes or lifted SUVs. 

The RS5's more flowing, elegant lines match well with the Navarra Blue paint work, silver-accented wheels and conventional leather-appointed seats within. 

Both cars have effectively identical front cabins reflecting Audi’s classy and sleek design language. The integration of technology is pretty good and the RS4’s additional red styling pack really makes it feel sporty within.

If you’re looking for a flash Fazza with spoilers and vents at all points of the body, you’ve come to the wrong coupe.

The Roma is a subtle, beautifully balanced and delicately detailed two-door inspired by all-time Ferrari classics like the 250 GT Lusso and 275 GTB.

Its proportions are impeccable with complex curves and sweeping lines combining to produce an exquisitely pure shape.

Slimline LED headlights are divided by horizontal DRL strips, the broad bonnet incorporates a quietly muscular power bulge and the minimalist ’egg crate’ grille sits below a sharply chiseled nose.  

I’m a particular fan of the split wedge-shaped tail-lights, seamlessly incorporated into the upper deck of the rounded rear end. The active rear spoiler is also neatly hidden away in the leading edge of the boot lid. No shoutiness here, even the exterior badges are works of art.

Crack open the bonnet and the engine sparkles like a jewel in a display case. Scarlet red crackle finish on the intake plenums and cam covers make it pop like a firecracker. 

The interior follows a dual cockpit theme with twin curved sections divided by a flying buttress style console between them housing the gear selection gate and central media screen.

Flashes of carbon-fibre and chromed alloy add a touch of overt raciness, Alcantara on the dash and doors echoes the ‘mouse fur’ of Ferraris past and the contrast stitching around the cabin is flawless. 

The sleek front seats feel as good as they look, the typography of the Roma badge on the passenger side of the dash is super cool, and overall the interior is snug and ultra classy. 

The RS4's cabin is excellent, with a good mix of physical buttons and responsive touchscreens for control. There’s enough storage space for this kind of vehicle, with good door bins and well-sized cupholders in the centre as well as USB-C and -A charge points. 

Audi’s multimedia system is friendly though the large touch targets and dark background aren’t as crisp as those fitted to the latest rivals. The screen isn't as big, either, measuring 10.1 inches for the multimedia item. The RS4 supports wireless Apple CarPlay and Android Auto.

That said, Audi’s 12.3-inch digital driver’s display with bright and poppy mapping software and generous customisation remains right at the head of the pack. 

There is a panel of switches below the touchscreen for climate control, physical selection of the five-or-so drive modes and a collection of helpful buttons on the perfectly-shaped and sized leather-appointed steering wheel.

It lacks F1 or DTM wow-factor compared to the C63 and M3 with their easy-access driver mode buttons and toggles on the steering wheel but the RS4's restrained looks will resonate with those that prefer a bit more elegance inside. 

Neither the RS4 nor RS5's back seats are designed for those over about 175cm. The RS4’s roof is a little higher so it is good enough for most adults but the RS5’s sloping profile compromises things. It has two individual buckets compared to the RS4’s three-wide bench. 

Rear seat passengers get air vents, an individual climate zone, bottle holders in the doors, USB charge points and ISOFIX attachments for the outboard seats, with matching top tethers in the seat backs.

The Audi RS4’s boot is a generous 505L with under floor storage and a netted area on the driver’s side. Folding the 40/20/40 split-fold bench increases space to 1495L. That said, the RS5’s 465L is still very good, though it is not quite as practical in the real world. 

Being fitted with roof rails makes for sleek integration of roof racks for the RS4 to slip roof pods, bike racks or whatever else you might choose to take on a trip away.

At close to 4.7m long, the Roma isn’t compact but its supercar stance comes courtesy of a close to 2.0m width and low-riding 1.3m height (with a 2670mm wheelbase).

The cabin is cozy, as intended, but at 183cm I still have ample headroom in the front. The rear is a different story with the two ‘+2’ seats serving as occasional emergency spots only or a handy option for smaller kids.

For storage there are slim but long pockets in the doors, a surprisingly generous glove box, a wireless charging pad under the centre console, phone-size slits on either side of that console, a single cupholder between the front seats with a lidded box (containing 12V and USB-A outlets) behind it.

There’s a recess for oddments on the transmission tunnel between the rear seats, and armrests either side in the back.

The boot holds 272 litres, which is enough for several soft bags, rising to 345 litres with the 50/50 split-folding rear seatbacks lowered. There are tie-down anchors, which is handy but be aware there’s no spare, only a repair/inflator kit.

Overall, not exactly SUV-like in terms of day-to-day practicality but at least on par with its key competitors.

At $453,000 before on-road costs, the Roma Coupe lines up almost directly with a trio of well-credentialled, well-equipped and ultra-fast 2+2 supercars - the Aston Martin DB12 ($455,000), Maserati GranTurismo Trofeo ($450,000) and Porsche 911 GT3 ($446,700). 

If you prefer a roofless experience, the Roma Spider convertible will set you back $520,300 (BOC).

And as you’d expect, the standard features list is impressive; the options list even more so.

Aside from the safety and performance tech covered a little later, highlights include 18-way power front seats, full-grain Frau leather trim, eight-speaker JBL audio (with digital radio), dual zone climate control, an 8.4-inch hi-definition central media display, a 16-inch (highly) configurable instrument cluster, adaptive cruise control and 20-inch forged alloy rims.

There’s also LED exterior lighting (including auto dusk-sensing headlights), Android Auto/Apple CarPlay connectivity, rain-sensing wipers and built-in nav, as well as Alcantara, chromed aluminium and carbon-fibre trim details. There’s more, but you get the idea.

And when it comes to options, the sky’s the limit with the likes of carbon-fibre everything, beefier audio as well as custom colour and trim options available through Ferrari’s ‘Tailor Made’ and ‘Special Equipment’ programs.

One popular addition is an 8.8-inch HD touchscreen for the front passenger (co-pilot?) displaying data on the car’s performance and status as well as allowing selection of music, sat-nav info and climate functions. Super cool and it will set you back $9500.

Audi’s 2.9-litre twin-turbo petrol V6 has seen plenty of use across performance products from Audi and Porsche, including the Macan S and Audi S6. 

In the RS4 and RS5 Competition Plus, it develops the same 331kW (at 5700-6700rpm) and 600Nm (at 1900-5000rpm) as the regular car. This makes it an extremely flexible engine that delivers predictable punch anywhere in the power band.

That said, it lacks the explosive character of BMW’s twin-turbo inline six — the figures are only 15kW and 50Nm higher on paper yet the M3’s response is that much more ferocious. 

Audi’s RS division has tried to capture a bit more emotion, retuning the eight-speed torque converter automatic transmission for crisper shifts. This also benefits the RS4’s 0-100km/h sprint time, which falls two tenths to 3.9 seconds in Competition Plus guise. 

The V6 breathes a little easier, too, with a different exhaust. Audi says the extra sound is down to 8.0kg less sound deadening in the car.

There’s more resonance at idle that does feel tiring sitting in traffic idling but the trade-off is a brawny mid-range baritone that develops into a shrill bark approaching the redline.

Enzo Ferrari famously said “aerodynamics are for people who can’t build engines” and notwithstanding the fact the Roma is slippery in the wind tunnel (Cd .30), its front-mid mounted 3.9-litre turbo-petrol V8 engine would surely meet with il Commendatore’s approval.

Sending drive to the rear wheels via an eight-speed dual-clutch auto transmission, this all-alloy, 90-degree unit features dual twin-scroll turbos, a flat plane crank, dry sump lubrication, direct fuel-injection and a single-piece cast exhaust manifold to produce 456kW from 5750rpm to the 7500rpm rev ceiling, and 760Nm from 3000-5750rpm.

Worth noting its 'front-mid' placement as the entire block is positioned low down and behind the front axle centre line.

The Audi RS4 wagon is rated to use 9.5L/100km in ADR combined cycle (urban/extra-urban) consumption testing while the slipperier RS5 returns 9.4L/100km in the same test. 

We weren’t able to run accurate or particularly relevant fuel figures on the event but the trip computers showed around 12L/100km in both RS4 and RS5. 

While these numbers are high compared to your average passenger car, the Audi is more efficient than BMW's rivals, and gets remarkably close to the hybrid C63 in the real world.

The fuel tank is quite small for this kind of vehicle at 58 litres. That limits the RS4’s theoretical driving range to 611km. 

Unsurprisingly, the Audi RS4 and RS5 require 98 RON premium unleaded petrol. 

The Roma’s official (WLTP) fuel consumption figure on the combined (urban/extra-urban) cycle is 11.2L/100km, the 3.9-litre turbo-petrol V8 emitting 255g/km of CO2 in the process.

Not exactly miserly, but even with that engine begging to be revved we saw an average of 12.9L/100 over a combination of urban shuffling, twisting B-roads and some freeway running.

A start/stop function is standard and with an 80-litre fuel tank on board, the Roma’s theoretical range is around 715km, dropping to approximately 620km using our real-world number.

The time allocated to driving the RS4 Avant Competition Plus was fairly limited and we were sadly unable to sample how the highly adjustable coil over suspension performed where it makes most sense — on the racetrack. 

Still, winding country roads between Sydney and the Southern Highlands served up some challenges, demonstrating how the Competition Plus pack changes the character of the RS4 and RS5. 

The only real negative is comfort, specifically over those horrible plastic speed bumps that litter shopping centre car parks. With adaptive dampers, carmakers can set programs for these kinds of obstacles to soften and stiffen the clever shocks at just the right time. Not so the Competition Plus pack cars, which ride these bumps harshly.

That about does it, though, and everything thing else is a net benefit. The steering system addresses some criticism of the earlier RS4s. Further than a retune, the Competition Plus gets a new rack, that is non-progressive with a fixed ratio of 15:1 (instead of 13.3:1) and 2.4 turns lock-to-lock. The reactions to each input feel a hint more faithful. 

When above 40km/h the coil overs come into their own. Even though the RS4 rides firmly it doesn’t constantly jiggle over small bumps. Over sharp-edged hits, the suspension rounds the hits off so, while you feel them, there’s a sense of control and sophistication. 

Having speed limits to contend with means it is essentially impossible to find the limits of grip of the 275/30R20 Continental SportContact 6 tyres on the road and there isn’t much body roll, either.

The RS4 is still rewarding, though, getting up on its toes just enough through a series of bends to feel engaging. It gives an impression of being quite light and at 1820kg it is now considered featherweight next to rivals.

The RS4's Quattro all-wheel drive system favours the rear wheels when driving normally (60 per cent rear) and can send up to 85 per cent of the drive to the back axle. 

The tweaked electronically-controlled rear limited-slip differential amplifies the throttle steer-ability of the RS4, giving you the confidence to squeeze the gas on exit. 

It helps that the Competition Plus bucket seats are a little thinner and set closer to the floor giving you more feedback. This is the key differentiator between the RS4 and RS5 we drove — the buckets make the car feel alive. 

Strong brakes are made up of 375mm front rotors clamped by six-piston calipers. Optional carbon ceramic brakes with larger 400mm front rotors help save 6.5kg and, if you plan to use the RS4 on track, are a smart buy along with a set of Pirelli P Zero Corsa semi slick tyres ($850). 

Really, though, neither the RS4 nor RS5 are the perfect car for the track. They are plenty capable and fast on the road with just enough fun, reward and character thrown in to keep you coming back for more.

Press the PS (Partenza Sportiva) button on the console, slip the manettino control on the steering wheel into ‘Race’ mode, left-foot brake (hard) and floor the throttle. Wait for the PS light on the dash, keep the accelerator pinned and lift off the brake.

Ferrari says the Roma will then proceed to accelerate from zero to 100km/h in 3.4 seconds, and in the interests of a thorough assessment I may have found a quiet light commercial area near Maranello, replicated this procedure and validated the claim.

Yes, even at 1570kg, with 760Nm of pulling power available from 3000-5750rpm, the Roma is exceptionally fast in a straight line. And the twin-turbo V8 that’s been so reserved and docile around town lights up to deliver glorious engine noise and a characteristic exhaust howl.

A flat-plane crank arrangement often makes a vee engine lumpier than a more conventional cross-plane design, but it will rev hard and fast, and in this case the compact size of the Roma’s twin turbos enhances throttle response even further.

Speaking of the turbos, variable boost management helps to smooth acceleration while keeping an eye on fuel economy and despite the flat-plane configuration this engine is perfectly civilised.

A tall top (eighth) gear makes for easy cruising but the tight B-roads and lesser highways we spent most time on didn’t allow for any high autostrada speeds.

But how’s this for a flex? Ferrari says the active rear spoiler will stay in its low-drag position until the car hits 100km/h, then pushing through medium and high drag (135-degree) positions as speed rises. But… “over 300 km/h, the spoiler is always in MD mode because in such conditions it is preferable to have a more balanced car”.

Suspension is by double wishbones at the front with a multi-link set-up at the rear and twin solenoid (magnetic) adaptive dampers all around.

Rubber wrapping the 20-inch forged alloys is top-end Michelin Pilot Sport 4 S (245/35 fr / 285/35 rr) and front-to-rear weight distribution is 50/50.

What that all adds up to is a comfortable, responsive and deeply satisfying drive experience. In standard Ferrari fashion the dual-clutch transmission is rapid-fire perfection, the steering is light but accurate and feelsome, while the in-cabin ergonomics are superb.

Push as hard as you dare in tight, flowing corners and the car just continues to grip and bait you to try harder. And if you do give in and start to run out of talent the ‘Active Yaw Control’ and limited-slip ’E-diff’ will step in to imperceptibly save your bacon.

Moving the manettino through its five positions - ‘Wet’, ‘Comfort’, ‘Sport’, ‘Race’ & ‘ESC-Off’ rapidly transforms levels of ride comfort, steering, transmission and engine response. You can also set the ride to Comfort with other attributes dialled up to 11 for a cross-country sweet spot. 

And when it comes to slowing rather than going, the Brembo brake set-up is circuit ready with vented carbon ceramic rotors all around (390mm fr / 360mm rr) clamped by six-piston calipers at the front and four-piston units at the rear. They take a while to warm up, but never feel anything other than mega. 

No surprise, ANCAP and Euro NCAP have not assessed the Roma, but you could mount a solid case that the car’s high-level dynamic ability is its greatest active (crash avoidance) safety system. 

Over and above that there are the usual anti-lock brake, traction and stability control systems (the latter is Ferrari’s adjustable SSC ‘Side Slip Control’) as well as AEB (with vehicle and cyclist detection), adaptive cruise control, lane-keeping assist, lane departure warning, blind-spot monitoring and traffic sign recognition plus front and rear parking sensors.

Also worth calling out ‘FDE’ (Ferrari Dynamic Enhancer) which works in parallel with the SSC to help modulate lateral movement in extreme circumstances.

If a crash is unavoidable there are four airbags - dual front and dual side front (head). That’s an acceptable count in a 2+2 coupe, but it would be nice to see a front centre bag.

Audi covers the RS4 and RS5 with a five-year/unlimited kilometre warranty which is now the expected norm across the premium part of the market. 

A five-year service plan can be pre-purchased, costing $3630 for both models with maintenance due annually or every 15,000km. 

After the five-year warranty period, owners can choose to extend the service packaging and warranty for two extra years at a cost of $4260. This can be done twice, extending the warranty up to nine years.

As the name implies, Ferrari’s ‘7-Year Genuine Maintenance’ program means you won’t have to worry about servicing costs for the first seven years of ownership. Everything from labour and parts to lubricants and brake fluid is included in the free-of-charge package.

For reference, maintenance is recommended every 12 months/20,000km, which is a healthy distance and roadside assistance is complimentary for the first 12 months. 

Warranty cover is three years/unlimited kilometres, which trails the mainstream market but matches high-end competitors like Aston Martin, Lamborghini, McLaren and Porsche.