New 2023 Mercedes-AMG GT caught testing in two variants

Development for the next Mercedes-AMG GT is well underway, and we’ve spotted the V8-powered GT 63 testing alongside an entry level version, which could adopt a straight six hybrid motor

Following the debut of its even sportier SL roadster, Mercedes-AMG is gearing up to launch a more hardcore second-generation AMG GT. The Porsche 911 rival will be based on an all-new platform that it will share with the SL, with the new GT set to be positioned as an even sportier version of the car it will replace.

Our spy photographers have caught the newcomer testing in two variants – the V8-engined GT 63 and what could be a new entry level version, badged either GT 53 or GT 55, depending on the motor it uses. 

A GT 53 with a hybridised inline-six from the Mercedes AMG GT 53 4-Door is on the cards. In the four-door super saloon, the setup provides 429bhp, supplemented by an electric motor producing 22bhp.

However, we could also see a GT 55 with a detuned 4.0-litre V8 motor from the Mercedes-AMG SL 55, with 469bhp. What’s certain is that the AMG GT 63 will adopt AMG’s ubiquitous 4.0-litre twin-turbocharged V8 with potentially more than 600bhp, to put clear distance between it and the 63 version of the new SL. As has already been confirmed for Mercedes’ new drop-top, an E-Performance plug-in hybrid V8 version could also feature in the new GT line-up with over 800bhp.

The new AMG GT is set to provide an even racier driving experience than before, and the redesigned body hints at this with a more aggressive profile and a heavily raked rear screen. The car’s pumped-up haunches are also evident from these camouflaged pre-production cars, and the AMG GT will retain its trademark long bonnet and Panamericana grille. The only distinguishing feature between the two versions of the car are the exhaust tips – the new entry-level model is fitted with round quad exit exhausts, with the GT 63 using four trapezoidal tailpipes.

Thanks to the new aluminium-intensive MSA platform that has been engineered to accept Mercedes’ 4MATIC+ all-wheel-drive system, the next AMG GT is likely to break from the tradition set by the outgoing model and send its power to all four wheels. 

As in other all-wheel-drive AMG models, the set-up will offer a more driver-focused bias, sending more power to the rear axle, and with the system’s parameters changing depending on the driving mode, boosting agility and stability. Expect rear-wheel steering, AMG’s Active Ride Control adaptive suspension and anti-roll tech too.

It’s expected that the next AMG GT’s interior will receive a complete overhaul as well, potentially inheriting elements of the SL’s cabin, including an 11.9-inch touchscreen.

AMG’s Chief Technical Officer Jochen Hermann has already confirmed that the next GT won’t be offered in roadster form, with the new SL covering that market. It’s not known if the GT will inherit the SL’s 2+2 layout or if it’ll remain a strict two-seater.

Click here to read our review of the hardcore Mercedes-AMG GT Black Series…

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