Mercedes-Benz S-Class vs NIO ET9

How does the Mercedes-Benz S-Class stack up against the NIO ET9? We put their headline specs side by side so you can see exactly where each car leads.

Mercedes-Benz S-ClassMercedes-Benz S-Class
vs
NIO ET9NIO ET9
SpecMercedes-Benz S-ClassNIO ET9
Horsepower (max)791 hp697 hp
0-100 km/h (fastest)3.3 s4.0 s
Top speed290 km/h230 km/h
Variants51
Body styleFull-size luxury sedanExecutive flagship electric sedan
GenerationW223 / V223ET9
Production2020 – present2024 – present
Length5,289 mm5,325 mm
Width1,921 mm2,017 mm
Height1,503 mm1,620 mm
Wheelbase3,216 mm3,250 mm

Mercedes-Benz S-Class vs NIO ET9: common questions

Is the Mercedes-Benz S-Class or NIO ET9 faster?
The Mercedes-Benz S-Class is quicker, hitting 0-60 mph in 3.1s versus the NIO ET9's 3.8s (0-100 km/h in 3.3s vs 4s).
Which has more horsepower, the Mercedes-Benz S-Class or the NIO ET9?
The Mercedes-Benz S-Class makes more power: 791 hp (590 kW) versus 697 hp (520 kW) for the NIO ET9.
Is the Mercedes-Benz S-Class or NIO ET9 faster on top speed?
The Mercedes-Benz S-Class has the higher top speed at 180 mph (290 km/h), versus 143 mph (230 km/h) for the NIO ET9.
What is the main difference between the Mercedes-Benz S-Class and the NIO ET9?
The Mercedes-Benz S-Class is a full-size luxury sedan, while the NIO ET9 is a executive flagship electric sedan. That difference in body style drives most of the others.