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Does the introduction of four-wheel-drive and an estate bodystyle dilute the lineage? And which really makes the M3 more usable?

This, for the first time in history, is a BMW M3 with four-wheel drive. It's also the very first M3 to be available as a Touring estate model. 

So if you thought performance cars were in full retreat, thinning down their ranks and ramping up their prices just for the sake of a stay of execution, while all the investment they might have had is poured in PHEVs and BEVs, there you go. There is clearly life to be found, money to be made and new choices to be introduced in at least some of the old wild dogs still.

The M3 might be BMW’s most famous sporting icon, with the kind of aura and notoriety that only the most exotic and revered few in motordom can exceed. It will, very shortly, pass 40 years as a production model, having descended through five model generations prior to the current one and, in its time, gone through both fast-revving four-cylinder engines and big-hitting atmo V8s with motorsport derivations; with an electric version mooted for introduction with the next big leap (although this, it’s suggested, will be in addition to a petrol-powered model, not in replacement for one).

So exactly how fast do twin turbochargers and four driven wheels make the indefatigable doyen of the performance saloon segment? Keep reading to find out.

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DESIGN & STYLING

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M3s are the kinds of cars whose launches get plenty of build up - but if you missed any of that during the preamble to this G80 generation’s introduction in 2020, then simply look at this car when it’s actually coming at you out in the wild, and we doubt you’ll mistake it for anything else. 

It’s quite, er, striking, isn’t it? Behind that nose, this M3 is a car based on the four-door BMW 3 Series saloon, with the coupé called the BMW M4 for the second generation running. And now, for the first time, there’s also an M3 Touring estate (the G81): all the power and dynamic lures of the legendary coupe-turned-saloon with the added usability of a 500-litre loadbay.

The saloon is 4.79m long and 1.90m wide and weighed some 1730kg at launch. Now mandatory xDrive four-wheel drive added 55kg to that in 2021 and the Touring bodystyle (if you go for it) itself adding some 85kg more.

At its launch in 2014, the previous (2015-2020) M3 was a smidge narrower but 123mm shorter and a full 170kg lighter than even the rear-drive G80 was when equipped with a dual-clutch automatic gearbox (the six-speed manual weighed less again). Even the 2005-2010 E60 M5 weighed only 50kg more than this M3, and that was longer and had a 5.0-litre V10. This is how much cars have grown in a decade, and it’s about time they stopped. Enough protein already.

Hmm. This not-so-junior M5 has been at the whey powder too. You can buy a punier M3 than this in some markets, but only the full-fat M3 Competition will apparently do for the UK, which means its twin- turbocharged 3.0-litre straight-six engine boosts to 503bhp at 5600- 7200rpm and 479lb ft from just 2750rpm through to 5500rpm. That’s a torque curve so deliciously phat and flat that you can see why so many M3 buyers would naturally gravitate towards four-wheel drive as to make the rear-drive model obsolete (in the UK, at least).

The figures certainly suggest the xDrive system is effective. With only the rear wheels driven, the M3 could go from 0-62mph in 3.9sec. In xDrive form, that drops to just 3.5sec – a fairly whopping gain. 

In everyday driving, though, the idea is that you won’t know the system is there a great deal. Normally, drive goes to the rear wheels via an eight-speed automatic gearbox. But with xDrive, there’s a multi-plate clutch ready to send power forwards, too, through drive shafts and to a front suspension redesigned to accommodate the halfshafts.

The amount of power diverted forwards varies depending on how much slip the rears would otherwise have but can be adjusted by the driver too, through three modes – Normal 4WD, 4WD Sport (which is slightly more rear-biased) or, with the stability control switched off, it can be abandoned altogether and the M3 returned to rear-drive, complete with its nifty system for rating how well the driver can drift. 

INTERIOR

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The interior of this M3 is a considerably flashier and more exotic place in which to travel than any of its predecessors were. That’s partly because the modern 3 Series that forms its basis is itself a much more materially ritzy-glitzy and lavish prospect than its more humble antecedents once were. And yet the M3 wastes few opportunities to dial up the performance theatre and material wow factor.

The car offers four passenger doors and seats up to five occupants, with space in the second row being more than adequate for adults of average height - although it’s much more comfortable for two than three across the rear bench.

Up front, the user interface for the infotainment retains a separate dial and array of buttons, thankfully – not the sort of thing you should overlook in a daily proposition. The car’s driving position is superb: low, straight-legged and really purposeful-feeling.

The car’s iDrive set-up is great – a mix of touchscreen and rotary dial, with supplementary buttons on the centre console, and a whole load of other normal buttons on the dashboard, some of which are configurable. 

There are also BMW M’s usual orange M1 and M2 toggles, mounted on the steering spokes perfectly for your thumbs, that allow you to ‘save’ particular combinations of engine, suspension, steering, driveline and traction-control settings and then dial them up near instantly when you want them. Which, in terms of taming this car’s complexity, might just be the best approach in the business.

The rest of the interior seems as swishly put together and is similarly functional, with a round (if overly thick) steering wheel and clear digital instruments.

Whatever you do, though, don’t spec the optional M Carbon Bucket Seats (in a £3400 pack with some other options), with their curious raised insert between your thighs. In single-seat or very serious racing cars, seats shaped like this, even more exaggerated, make sense: they keep your legs in place under high cornering loads and prevent them from flailing in a crash. 

But in a road car, what appears to be some kind of carbonfibre penis tray looks daft and is plain obstructive; the surrounding bolstering can make the seats themselves really awkward to get in and out of; and the carbonfibre shell backs will be hard on the knees of anyone travelling in the rear seats, not to mention vulnerable to scuffs and scratches.

So what of the Touring? It has all the capability of the regular 3 Series estate, down to the independently opening rear windscreen hatch and rubber strips in the boot floor that rise up when you're on the move to prevent anything sliding around the substantial load bay. The second-row seats fold flat, and so arranged the car amounts to three parts: monstrous turbo engine, bucket seats and an endless boot in your rear-view mirror. For those wanting to live out their wildest Rickard Rydell fantasies, look no further.

ENGINES & PERFORMANCE

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The twin-turbo straight six feels predictably strong, with just a little lag at low revs but then greater linearity and less of a sense of surging torque than some boostier-feeling turbos. It’s also genuinely eager to rev out and snarly while it does it. 

At low speeds, there’s a tappety, gravelly noise that never quite emerges from angry into smooth as the engine revs rise, and even if you choose Comfort mode for your engine response and leave the gearbox in Drive at its meekest setting, step-off from rest is brisk.

It’s tricky to modulate the brakes, too, especially if you leave them in their Comfort mode (Sport mode’s firmer pedal feel is honestly the only one this car needs). Combine those things together and the M3’s drivetrain feels particularly alert.

In the UK, the only gearbox is an eight-speed regular torque-converter automatic, rather than a dual-clutch (DCT) unit, driving via the aforementioned four-wheel drive system and an electronically controlled limited-slip differential for the rear axle.

It suits the M3. A DCT tends to be sharper in operation but harsher than a conventional automatic, although the latest ’boxes are so good that there’s not a huge amount of difference, save for additional smoothness around town. BMW seems to have set this one up to feel as assertive as it can, and it combines with an engine that has a similar demeanour.

RIDE & HANDLING

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The M3’s ride is always on the firm side. Even in the softest of three suspension settings, body control is given a higher priority than comfort and, actually, absorbance doesn’t seem to suffer if you move from Comfort through to Sport on the chassis settings. If anything, there’s less lateral shift and just shorter vertical movements, so it’s no more brittle.

In no mode, mind, does the M3 ever glide quite like the Alfa Romeo Giulia Quadrifoglio. While the supple Alfa is perhaps easier to enjoy at any speed, the M3 wants to go more quickly before it comes alive. 

But when you do really drive it hard, the BMW’s precision, linearity and sheer controllability puts it in a league of one among its rivals. As a track car, its on- and beyond-limit handling is very special indeed. And the combination of super-predictable, ever-throttle-adjustable chassis and pin-sharp steering is a potent and convincing one.

The steering is light and consistent and accurate, if giving little road feel, although that doesn’t seem to matter. Because it feels like there’s so little give or squidge anywhere, you know precisely what’s going on.

In RWD mode, with the ESC fully off and with surprisingly little practice, you feel as if you could take any angle you like, though almost any corner, once you find the right approach speed, gear, throttle load and correction angle.

The nose is easy to place accurately, and the shove from the engine is so linear that it helps you to trust how much traction is available and when it’s running out. The differential hooks up quickly, and the M3 has an indulgent streak that’s supremely easily controlled. Unlike with the old M4, the moment at which traction finishes doesn’t leap out of a wardrobe shouting: ‘Surprise!’

The car also has an M Drift Analyser, which will give you a star rating out of five for how well you’ve done your sliding – based on distance travelled sideways and the angle of your dangle (not including the number of lamp-posts you take out while failing to gather it up on the exit of a roundabout).

Back on the road, and on poor surfaces, the car’s xDrive system comes into its own. Away from junctions and slow corners, where the M3’s torque would otherwise trouble its rear tyres, the xDrive is far more secure and capable, with hardly a scrabble or a flash of the traction control light. 4WD Sport drivetrain mode puts just enough torque at the front wheels to calm the car’s direction response, and create a thin blanket of stability, without actually dulling the car’s rear-driven handling appeal or making you aware through the steering that the front axle is working much at all. And it’s a welcome blanket indeed, because when you do want to go quickly, by gum the M3 doesn’t half go quickly. This is a very serious performance car.

Is the M3 more fun as a result of gaining 4WD? I don’t think so. But it’s more versatile and usable, certainly. Given the M3 finds itself as a daily driver in all kinds of conditions, many far worse than an autumnal southern England, where you can still feel the difference, it only enhances the appeal of a good super-saloon.

MPG & RUNNING COSTS

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The M3 saloon prices currently start at around £85,000, with an equivalent M3 Touring estate costing about £2200 more. But typical transaction prices on both would likely be in excess of £90,000.

And the Touring really is the key extension of this M3's credentials when it comes to building an ownership case and finding ways to use your M3 that simply wouldn’t have been viable otherwise.

The Touring’s boot isn’t quite Audi RS6 Avant-sized, but it would certainly swallow a family of four’s airport-run luggage. And the separately opening tailgate glazing remains a really useful feature for those occasions when opening the whole thing might disturb a big cargo load, or when you’re simply parked too close to whatever’s behind you to quite manage it. 

Cargo space aside, of course, the Touring is no more civilised a cruiser than the regular M3 - which means it’s noisy and firm, with a cabin replete with harder surfaces and sticky-out bits that passengers may not warm to. But never mind that lot: at least you’ll be enjoying yourself.

VERDICT

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The M3 may be bigger, heavier and more complex than ever, but its handling comes together with the predictability and rigidity of clicking Lego Technic parts together. Bar some additional suppleness in the springs and/or dampers, it’s everything you could want from an M5.

And no, that’s not a typo. In a comment piece when this M3 made its public debut last September, road tester Richard Lane concluded that what we don’t want or need was for the M3 to be an M5-lite. Well, it isn’t one, although it is more like, say, some slightly demonic E34 M5 than it is an older M3, if you follow.

What it gets from later M5s is the excess of performance and quite a lot of the weight. What it doesn’t get is all of the comfort and some of the girth. This is in no way a luxury car trying to be a sports car like an M5 tries (and perhaps fails) to be these days. It’s too firm, too lairy, too pin-sharp and playful. It’s actually wonderfully devoted to what it does.

This isn’t an outright sports car in saloon clothes, either. It’s a kind of blood-and-thunder hot-rod and track sensation - done as only the M Division could do one. The M3 has matured into a fine, tub-thumping, uncompromising, ultimate driver’s saloon. 

And if you would rather the deftness of a traditional M3 Coupé, well, the dealer has some BMW M2 Coupés to sell you. 

And what about those who’ve always wanted their M3 to come in estate form? Well, your prayers have been answered - and how. Because, 500-litre boot and all, the M3 Touring is actually the kind of car that you want because you just want it. All it ever needed to do was exist.

Matt Saunders

Matt Saunders Autocar
Title: Road test editor

As Autocar’s chief car tester and reviewer, it’s Matt’s job to ensure the quality, objectivity, relevance and rigour of the entirety of Autocar’s reviews output, as well contributing a great many detailed road tests, group tests and drive reviews himself.

Matt has been an Autocar staffer since the autumn of 2003, and has been lucky enough to work alongside some of the magazine’s best-known writers and contributors over that time. He served as staff writer, features editor, assistant editor and digital editor, before joining the road test desk in 2011.

Since then he’s driven, measured, lap-timed, figured, and reported on cars as varied as the Bugatti Veyron, Rolls-Royce PhantomTesla RoadsterAriel Hipercar, Tata Nano, McLaren SennaRenault Twizy and Toyota Mirai. Among his wider personal highlights of the job have been covering Sebastien Loeb’s record-breaking run at Pikes Peak in 2013; doing 190mph on derestricted German autobahn in a Brabus Rocket; and driving McLaren’s legendary ‘XP5’ F1 prototype. His own car is a trusty Mazda CX-5.

Matt Prior

Matt Prior
Title: Editor-at-large

Matt is Autocar’s lead features writer and presenter, is the main face of Autocar’s YouTube channel, presents the My Week In Cars podcast and has written his weekly column, Tester’s Notes, since 2013.

Matt is an automotive engineer who has been writing and talking about cars since 1997. He joined Autocar in 2005 as deputy road test editor, prior to which he was road test editor and world rally editor for Channel 4’s automotive website, 4Car. 

Into all things engineering and automotive from any era, Matt is as comfortable regularly contributing to sibling titles Move Electric and Classic & Sports Car as he is writing for Autocar. He has a racing licence, and some malfunctioning classic cars and motorbikes. 

BMW M3 Competition First drives