BMW M8 vs Mercedes-Benz AMG GT 4-Door

How does the BMW M8 stack up against the Mercedes-Benz AMG GT 4-Door? We put their headline specs side by side so you can see exactly where each car leads.

BMW M8BMW M8
vs
Mercedes-Benz AMG GT 4-DoorMercedes-Benz AMG GT 4-Door
SpecBMW M8Mercedes-Benz AMG GT 4-Door
Horsepower (max)617 hp1,341 hp
0-100 km/h (fastest)3.2 s2.0 s
Top speed305 km/h360 km/h
Variants35
Body stylePerformance grand tourerPerformance fastback
GenerationF92 / F93X290 / AMG.EA
Production2019 – 20252018 – present
Length4,867 mm5,054 mm
Width1,907 mm1,953 mm
Height1,362 mm1,450 mm
Wheelbase2,827 mm2,951 mm

BMW M8 vs Mercedes-Benz AMG GT 4-Door: common questions

Is the BMW M8 or Mercedes-Benz AMG GT 4-Door faster?
The Mercedes-Benz AMG GT 4-Door is quicker, hitting 0-60 mph in 1.9s versus the BMW M8's 3s (0-100 km/h in 2s vs 3.2s).
Which has more horsepower, the BMW M8 or the Mercedes-Benz AMG GT 4-Door?
The Mercedes-Benz AMG GT 4-Door makes more power: 1,341 hp (1000 kW) versus 617 hp (460 kW) for the BMW M8.
Is the BMW M8 or Mercedes-Benz AMG GT 4-Door faster on top speed?
The Mercedes-Benz AMG GT 4-Door has the higher top speed at 224 mph (360 km/h), versus 190 mph (305 km/h) for the BMW M8.
What is the main difference between the BMW M8 and the Mercedes-Benz AMG GT 4-Door?
The BMW M8 is a performance grand tourer, while the Mercedes-Benz AMG GT 4-Door is a performance fastback. That difference in body style drives most of the others.