The Mercedes-AMG GT 63 S E Performance sits at the top of the AMG range for 2026: a plug-in hybrid pairing the familiar 4.0-litre biturbo V8 with a rear-axle electric motor for a combined 805 horsepower and 1,047 lb-ft of torque — the most powerful series-production car Affalterbach has ever built.
GT 63 S E Performance specs and powertrain
The V8 contributes 630 horsepower, while a 201-hp electric motor on the rear axle fills the torque gaps. The result is a claimed 0-60 mph of 2.7 seconds. A compact 6.1-kWh AMG High-Performance Battery sits low over the rear axle to keep the centre of gravity in check, giving roughly 8 miles of electric-only driving — though nobody is buying this car for its EV range. An electronically controlled rear differential works with the motor to vector torque between the rear wheels, sharpening turn-in on a car that weighs noticeably more than the non-hybrid GT 63.
A hybrid tuned for performance, not efficiency
AMG has been explicit that the electrification is about lap times, not economy. The battery is derived from the brand’s Formula 1 programme and tuned for rapid discharge and recovery: energy harvested under braking is redeployed as bursts of boost out of corners rather than stretched for efficiency. It’s the opposite of how most manufacturers frame plug-in hybrids, and it’s why the electric range figure is almost comically low for the segment.
Price and where it stands in 2026
The GT 63 S E Performance arrived in US showrooms in late 2024 and carries into 2026 essentially unchanged, with pricing between roughly $201,750 and $203,450 depending on body style and trim. The competitive picture around it has shifted, though: high-power hybrids have proliferated below it, and electric performance cars now offer comparable acceleration for a fraction of the price. What they don’t offer is the V8 — and that, increasingly, is the thing AMG’s flagship formula is really selling.