The Comparative Analysis :
Mercedes CLS Shooting Brake 63 AMG 4MATIC SPEEDSHIFT MCT (14 - 17) vs. Audi S6 Avant TDI tiptronic (19 - ..)
€ 122,600

€ 79,000

€ 122,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. The Mercedes CLS Shooting Brake 63 AMG is just 0.7 inches longer, 0.2 inches narrower and 0.5 inches lower than the Audi S6 Avant TDI.
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant TDI
56.4
74.1
81.7
56.9
74.3
83.1
74.1 in
Width
74.3 in
81.7 in
Width Incl. Mirrors
83.1 in
56.4 in
Height
56.9 in
113.1
195.7
115.3
195
195.7 in
Length
195 in
113.1 in
Wheelbase
115.3 in
Vehicle Weight
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant TDI
4464 lb
Curb Weight
4619 lb
5644 lb
Gross Vehicle
Weight
Weight
5853 lb

Weight Difference:
154 lb
3.33 %

General
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant TDI
X218
Generation
C8 (4K)
Station Wagon
Car Body Style
Station Wagon
Premium Unleaded
Fuel Type
Diesel

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant TDI
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder mild hybrid diesel engine with turbocharger and electric driven compressor
Mercedes-Benz M 157
Engine Series
M 157.981
Engine Code

4
Valves
4
8
Cylinders
6
5.5 L / 269 cu in
Displacement
3 L / 147 cu in
549 hp
at 5250 rpm
Power
344 hp
at 3850 rpm
Mercedes CLS Shooting Brake 63 AMG
549 hp
344 hp
Audi S6 Avant TDI
531 lb‑ft
at 1750 rpm
Max. Torque
516 lb‑ft
at 2500 rpm
Mercedes CLS Shooting Brake 63 AMG
531 lb‑ft
516 lb‑ft
Audi S6 Avant TDI
Performance
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant TDI
155 mph
Maximum Speed
155 mph
3.8 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
174 ft
0.000 sec

Mercedes CLS Shooting Brake 63 AMG
62 mph
62
mph
mph
233 ft
0.000 sec

Audi S6 Avant TDI
▶ REPLAY
8.13 lb/hp
Weight-to-Power Ratio
13.43 lb/hp
Mercedes CLS Shooting Brake 63 AMG
8.13 lb/hp
13.43 lb/hp
Audi S6 Avant TDI
Fuel Economy / Emissions
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant TDI
Fuel Economy
22 mpg
combined
36 mpg
Mercedes CLS Shooting Brake 63 AMG
22 mpg
36 mpg
Audi S6 Avant TDI
16 mpg
city
31 mpg
28 mpg
highway
No data
17.4 gal
Fuel Tank Capacity
19.3 gal
387 mi
Range
698 mi
Mercedes CLS Shooting Brake 63 AMG
387 mi
698 mi
Audi S6 Avant TDI
Environmental Impact
200.8 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
133.7 kWh
Mercedes CLS Shooting Brake 63 AMG
200.8 kWh
133.7 kWh
Audi S6 Avant TDI
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
398 g/mi (NEFZ)
CO2 Emissions
333 g/mi (WLTP)
Practical Convenience
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant TDI
5
Doors
5
5
No. of Seats
5
1179 lb
Maximum Payload
1235 lb
15.6 cu ft
Trunk Volume
16 cu ft











43.9 cu ft
Cargo Volume (Seats Down)
47.6 cu ft