Gac M8 vs Maserati Quattroporte

What's the difference?

The GAC M8 PHEV Luxury is a people mover that carves out a very specific niche, largely thanks to its plug-in hybrid powertrain and ambitious price point. It’s undeniably well specified and genuinely luxurious inside, but it never quite escapes its chauffeur-like identity as it's a vehicle built around passenger comfort rather than driver engagement.

Being a new brand in our market limits ownership appeal, at least for now. Where the M8 really impresses, though, is efficiency, and that alone may be enough to justify its unusual positioning.

Beauty is way more than skin-deep in the Quattroporte and while the 330 doesn't have the punch of the S, it's hardly that much slower. Maserati reasons you will want to spend the $25,000 saved on options, concentrating on the Italian craftsmanship rather than the outright performance available in the V8 or the efficiency of the less aurally attractive diesel.

As with any car of this type, you've got to want one in the first place, but for a big, beautiful sedan, there's nothing as good looking this side of an Aston Rapide. The Quattroporte 330 does nothing to dim the allure of Modena's big mover and, if you're that way inclined, nobody on the outside will ever know.

The GAC M8’s design is… well, it’s out there. This isn’t a people mover that fades politely into the background. There are clear parallels with the Lexus LM, right down to the towering grille (complete with a vague hint of spindle shaping), which may well be the tallest grille I’ve encountered!

It’s a big unit, too, measuring 5212mm long, 1893mm wide and 1823mm high. The overall shape is sharply squared-off and prioritises presence over dynamism. It also comes standard with a full suite of LED exterior lighting.

The cabin claws back some design cred, though, as it’s downright plush with its semi-aniline two-tone leather upholstery - finished in a lush burgundy/black duo in our test vehicle. Accent panels vary between a diamond-design for the dashboard and doors, to suede soft-touchpoints and rose-gold inserts liberally scattered across the cabin. 

The only accent that doesn’t land is the large swathes of piano black on the centre console as it’s hard to keep clean.

There are some nice little surprises, too, like the fidget spinner-style crystal gear lever, which is surprisingly fun to fiddle with at traffic stops and two sunroofs with the rear fixed panel illuminating with internal ambient light.

Some of the finishes aren’t the best as there are joinery and door handles that don’t line up properly, which is surprisingly more annoying than you’d think once you notice it. But overall, the cabin feels well-considered and luxurious, even if the execution isn't always flawless. 

Long, flowing lines mark out the Maserati as something quite different to its German, British and Japanese competition. This Quattroporte has increased in every dimension but the lines cover its size beautifully.

Big wheels, long wheelbase, low ride but it still looks like a sedan rather than pretending to be a coupe.

The elegance of the lines is complemented by a distinct lack of bling – there's little in the way of chrome work or shouty details. There's plenty satin finishes available and the beautiful paint, while available in pretty much any colour you like, is best kept to a restrained, deep hue. Or silver.

The cabin will doubtless age well. Classic shapes house a fairly conventional but hugely comfortable cabin. The front seats have heaps of adjustment and are large but supportive. Naturally, the leather is soft and supple.

The central screen isn't the dominant feature, like a 50-inch LCD screen in a small living room while buttons are kept to a minimum.

The rear seat is sensationally comfortable, with hectares of available space and a seat comfortable for either lounging or working.

The current Quattroporte has been with us now for a couple of years in diesel and petrol turbocharged V6s and turbo V8 forms.

The 330BHP uses the same, Ferrari-built V6 but detuned to 'just' 330 bhp. The price has been detuned too, dropping $25,000 from the V6 S's entry price to kick off at $210,000.

Maserati 330bhp benefits from an overall specification improvement across the range, landing in your garage with a ten-speaker stereo with USB and Bluetooth, power everything, dual-zone climate control, keyless entry and start, front and rear parking sensors with reversing camera, cruise control, sat-nav, auto headlights and wipers, double glazed windows and an interior covered in leather and wood.

Later in the year, your Quattroporte will be available with a new silk trim from Zegna

Only very occasionally does it become clear that Maserati is part of the Fiat Group and that moment comes when you use the 7.0-inch central screen in the dash.

eight-speed ZF automatic transmission

The software is based on the group's UConnect and it isn't great. It's not bad, but it feels its age (however, it's much better than the system on the Gran Turismo), needing a lot more work or a quick surrender to Apple's CarPlay or Android Auto.

Once you work your way through the weird menus, it's fine to use and is miles ahead of the not-much-cheaper Lexus LS unit which is almost unusable.

Sound from the ten speaker stereo is crystal clear and the phone performance is also very good.

Both M8 grades share the same plug-in hybrid powertrain, pairing a 2.0L, four-cylinder, turbo-petrol engine with a single electric motor. Combined, they produce up to 274kW of power and 630Nm of torque which is impressive on paper, though it only manages 0‑100km/h in 8.8 seconds. Once the battery is depleted, outputs drop to a more modest 140kW/320Nm. Power is sent to the front wheels through a two-speed automatic transmission, and the M8 is not rated for towing.

To get the best performance from this type of set-up will require diligent recharging.

Like the S, the 330bhp is powered by Maserati's twin turbo 3.0 litre V6, made with more than a dash of Ferrari involvement. As the name suggests, it produces 243kW and a chunky 500Nm. With just under two tonnes to shift, the ubiquitous eight-speed ZF automatic transmission whisks the Quattroporte 100km/h in 5.6 seconds, only half a second down on the 301kW V6 S.

Maserati claims 9.1L/100km on the combined cycle (with the help of stop-start), which seems reasonable given our figure of 10.8L/100km, which we got a with a mix of city and highway running as well as a very enthusiastic blast through some secret back roads.

Around town, the M8 delivers plenty of power and is whisper-quiet when running in electric mode. Once the battery depletes or you switch over to the petrol engine, that sense of instant oomph fades. Overtaking on hills is achievable, but even with an empty car it can feel a little underwhelming.

Steering is light, but the car feels solidly planted in most situations. Handling isn’t as dynamic as a Kia Carnival and the M8 can feel a touch ungainly through bends, though it’s more than manageable for everyday driving.

Ride comfort is high, especially for passengers, due to forgiving suspension and a cabin that doesn't let a whole lot of road or wind noise in. The M8 is a comfortable cruiser.

Visibility is surprisingly good for a 5.2m-long vehicle with minimal blind spots from the driver’s seat. The bonnet and dash, however, stretch further than they appear, which can make judging the nose a little tricky at first.

Ground clearance is only 143mm, so it’s easy to scrape the nose over speed bumps or when parking. The 360-degree camera system is decent, but manoeuvring into tight spaces still requires some care as it fills out a space. You also have to leave about a metre of clearance behind you if you want to open the tailgate.

Just a few hundred metres behind the wheel is all it will take to convince you the Maserati belongs in the same class as the competition. It's incredibly quiet – courtesy of the acoustic double glazing – and all occupants benefit from supreme comfort.

While the 330 is 58kW down on the full fat V6, you won't really miss them. There's a fat torque curve, with all 500Nm available from 1750 to 5000rpm, meaning easy progress for the 5.2 metre sedan.

The Quattroporte has two sport buttons to choose from – one looks after the drivetrain and exhaust valving while the second stiffens up the Skyhook suspension.

With the first sport button pressed, you get a more lively throttle, sharper shifts and a glorious noise from the exhausts, although they are a long way from your ears.

It's still a fast car, with strong acceleration from standstill and in the gears, the power as linear as you like with no real turbo lag and a most un-turbo noise to go with the performance.

The only dynamic problem is the electric steering – it seems to get confused between your inputs and feedback from the road, the tyres feeling like they're 'nibbling' an uneven surface, tweaking the wheel in your hands. 

The assistance is a little spotty, too, unexpectedly changing weight. It's just a bit weird. In normal driving, you'll never notice it.

Six airbags, ABS, stability and traction controls, brake assist, blind spot monitoring and rear cross traffic alert.

There is no ANCAP or EuroNCAP safety rating for the Quattroporte.