Audi A6 vs Mercedes-Benz S-Class

How does the Audi A6 stack up against the Mercedes-Benz S-Class? We put their headline specs side by side so you can see exactly where each car leads.

Audi A6Audi A6
vs
Mercedes-Benz S-ClassMercedes-Benz S-Class
SpecAudi A6Mercedes-Benz S-Class
Horsepower (max)630 hp791 hp
0-100 km/h (fastest)3.4 s3.3 s
Top speed305 km/h290 km/h
Variants35
Body styleMid-size sedan / estate / EVFull-size luxury sedan
GenerationC9 / e-tronW223 / V223
Production2019 – present2020 – present
Length4,939 mm5,289 mm
Width1,886 mm1,921 mm
Height1,457 mm1,503 mm
Wheelbase2,924 mm3,216 mm

Audi A6 vs Mercedes-Benz S-Class: common questions

Is the Audi A6 or Mercedes-Benz S-Class faster?
The Mercedes-Benz S-Class is quicker, hitting 0-60 mph in 3.1s versus the Audi A6's 3.2s (0-100 km/h in 3.3s vs 3.4s).
Which has more horsepower, the Audi A6 or the Mercedes-Benz S-Class?
The Mercedes-Benz S-Class makes more power: 791 hp (590 kW) versus 630 hp (470 kW) for the Audi A6.
Is the Audi A6 or Mercedes-Benz S-Class faster on top speed?
The Audi A6 has the higher top speed at 190 mph (305 km/h), versus 180 mph (290 km/h) for the Mercedes-Benz S-Class.
What is the main difference between the Audi A6 and the Mercedes-Benz S-Class?
The Audi A6 is a mid-size sedan / estate / ev, while the Mercedes-Benz S-Class is a full-size luxury sedan. That difference in body style drives most of the others.