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By Jonathan Crouch

Mercedes-AMG has evolved its standard-setting GT coupe. Jonathan Crouch takes a look at the second generation version.

Ten Second Reviewword count: 44

The Mercedes-AMG GT reinvents itself in this second generation guise. The exterior changes made to this new Coupe-only model might be subtle, but the fundamental differences this time round are substantial. Porsche 911 customers will need to seriously consider this car as an alternative.

Backgroundword count: 134

Could Mercedes really build a credible rival to Porsche's iconic 911, we wondered, when the original Mercedes-AMG GT was unveiled back in 2014. The answer, as it turned out, was that the Three-Pointed Star got closer to that super sportscar standard-setter than expected - and plans to edge even closer still with this second generation C192 generation model. It's the fifth series production road car to be engineered from the ground-up by AMG and has shared its development with the latest Mercedes-AMG SL, alongside which it's built at the brand's Bremen factory in Germany. Don't be fooled by the very lightly evolved styling; much is different here. Primarily a switch to a 2+2 cabin and the adoption of 4WD. There's also a completely new interior, a longer wheelbase and a bigger boot. Sounds promising.

Engines and Tech Specword count: 305

Mercedes isn't developing any more fossil-fuelled engines, so it's no surprise that this second generation GT uses much the same twin turbocharged 4.0-litre V8 as its predecessor. What is different is the 9-speed AMG Speedshift paddleshift auto gearbox that works with it (replacing the previous 7-speed dual clutch transaxle unit). The biggest engineering change though, is the replacement of the old car's rear wheel drive arrangement with a fully variable four wheel drive system. Europe gets an entry-level GT 55 4MATIC+ version of this Coupe (which puts out 475PS), but here we're restricted to the top GT 63 4MATIC+ (which offers 585PS). Both power outputs are upgraded over the previous model. Adding 4WD (and this MK2 model's bigger body) has upped kerb weight to a hefty 1,970kgs, but the '63' variant still makes 62mph in 3.2s on the way to 196mph. So you'll need the AMG high-performance ceramic composite braking system. The active aerodynamic profile, concealed almost invisibly in the underbody in front of the engine, creates a Venturi effect that draws the car into the road and reduces front axle lift by around 50 kilograms at 155mph. A retractable spoiler is integrated into the vehicle's silhouette. It can adopt five different angles above 50mph depending on driving conditions. There's an AMG Dynamic Select controller providing a choice of six different drive modes - 'Slippery', 'Comfort', 'Sport', 'Sport+' and 'Race'. And the driver can alter the AMG Dynamics ESC stability system in three steps. The aluminium double-wishbone AMG Active Ride Control suspension uses constantly variable electronic damping, coil springs and semi-active roll stabilisation to suppress body roll. Plus there's active rear-axle steering and active aerodynamics. All that's further aided by substantial engine bay bracing and a stiffer Modular Sport Architecture platform, a lightweight spaceframe-style structure using a combination of magnesium, steel, aluminium and plastic composites.

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