Mercedes-Benz CLS-Klasse (2018 – 2021) vs Audi S6 Avant (2019 – 2025): specs compared

The Mercedes-Benz CLS-Klasse is the more powerful of the two, with up to 367 hp against 349 hp. It is quicker, reaching 100 km/h in 4.8 s against 5.1 s. It uses less fuel, from 5.6 L/100 km against 6.5 L/100 km. It is the lighter car, from 1,865 kg against 2,020 kg.

Specification Mercedes-Benz CLS-Klasse Mercedes-Benz CLS-Klasse 2018 – 2021 Audi S6 Avant Audi S6 Avant 2019 – 2025
Overview
Origin Germany Germany
Documented years 2018 – 2021 2019 – 2025
Body style — Avant · Estate / wagon
Variants 3 1
Fuel Diesel, Petrol Diesel
Drive AWD AWD
Gearbox Automatic Automatic
Performance
Power 286 – 367 hp 349 hp
Torque 500 – 700 Nm 700 Nm
0–100 km/h 4.8 – 5.7 s 5.1 s
Top speed 249 km/h 249 km/h
Economy
Fuel economy 5.6 – 7.5 L/100 km 6.5 L/100 km
Dimensions
Length 4,938 mm 4,978 mm
Width 1,882 mm 2,118 mm
Height 1,417 mm 1,417 mm
Wheelbase 2,873 mm 2,982 mm
Curb weight 1,865 kg 2,020 kg

Ranges cover all variants of each car. The highlight marks the best version per row.

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