Car comparison

AUDI S6 Avant (C7) · Facelift 2016 4.0 TFSI V8vsMercedes-Benz CLS Shooting Brake (X218) · Facelift 2014 CLS 500 V8

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

AUDI S6 Avant (C7) · Facelift 2016

4.0 TFSI V8

450 hp3993 ccGasolineAWDAutomaticTurbochargedWagon / estate2016-2018
VS

Mercedes-Benz CLS Shooting Brake (X218) · Facelift 2014

CLS 500 V8

408 hp4663 ccGasolineAWDAutomaticTwin-turboWagon / estate2014-2015

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Lightest
    1,960 kg
    4,321 lb
  • Best power-to-weight
    230 hp/t
    171 kW/t
    4.4 kg/hp
  • Lowest combined fuel consumption
    9.6 L/100 km
    24.5 mpg US
    29.4 mpg UK
  • Lowest highway consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Lowest CO2 emissions
    224 g/km
  • Best overall score
    80/100
  • Best performance score
    77/100
  • Best economy score
    81/100
  • Best practicality score
    87/100

Specification comparison

Specification comparison
ModelAUDIS6 Avant (C7)Facelift 20164.0 TFSI V8Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
Power
450hp336kW
408hp304kW
Torque
550Nm406lb-ft
600Nm443lb-ft
Curb weight
1,960kg4,321lb
2,005kg4,420lb
Gross weight
2,590kg5,710lb
2,530kg5,578lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
46.9s99% target: 257 km/h / 160 mph
Calculated
50.1s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.6s
4.9s
0-200 km/h
14.4s
Calculated
15.4s
Calculated
0-60 mph
4.4s
Calculated
4.7s
Calculated
Fuel consumption
9.6L/100 km24.5mpg US29.4mpg UK
9.8L/100 km24mpg US28.8mpg UK
Fuel consumption city
13.5L/100 km17.4mpg US20.9mpg UK
13.3L/100 km17.7mpg US21.2mpg UK
Fuel consumption highway
7.3L/100 km32.2mpg US38.7mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
12.6s
Calculated
12.9s
Calculated
Power-to-weight
230hp/t171kW/t104hp/1000 lb
Calculated
203hp/t152kW/t92hp/1000 lb
Calculated
Torque-to-weight
281Nm/t188lb-ft/ton
Calculated
299Nm/t200lb-ft/ton
Calculated
Estimated range
781km485mi
Calculated
816km507mi
Calculated
Displacement
3,993cc244cu in
4,663cc285cu in
Length
4,942mm195in
4,953mm195in
Width
1,874mm74in
1,881mm74in
Height
1,482mm58in
1,419mm56in
Wheelbase
2,917mm115in
2,874mm113in
Front track
1,615mm64in
1,596mm63in
Rear track
1,607mm63in
1,629mm64in
Trunk volume
565L
590L
Max trunk volume
1,680L
1,550L
Doors
5
5
Seats
5
5
Fuel tank
75L
80L
CO2 emissions
224g/km
229g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8PowerTorque
  • AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8: Power / Torque
  • Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V85,800-6,400 rpm1,400-5,700 rpm6,650 rpm
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V85,000-5,750 rpm1,600-4,750 rpm6,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS6 Avant (C7)Facelift 20164.0 TFSI V8Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.7 s
0-100 km/h
0-62 mph
4.6 s
4.9 s
0-200 km/h
0-124 mph
14.4 s
15.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.6 s
5.8 s
1/8 mile
201 m
8.3 s
8.5 s
1000 ft
305 m
10.6 s
10.9 s
1/4 mile
402 m
12.6 s
12.9 s
Trap speed
1/4 mile
402 m
188 km/h
117 mph
185 km/h
115 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
450 hp
336 kW
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
408 hp
304 kW

AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8 has 42 hp more than Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8.

The biggest power difference is between Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8 and AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8: 42 hp (31 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
550 Nm
406 lb-ft
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
600 Nm
443 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
1,960 kg
4,321 lb
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
2,005 kg
4,420 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V84.6 s
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V84.9 s

The biggest 0-100 km/h difference is between AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8 and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8: 0.3 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
9.8 L/100 km
24.0 mpg US
28.8 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
230 hp/t
171 kW/t
4.4 kg/hp
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
203 hp/t
152 kW/t
4.9 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
781 km
485 mi
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
816 km
507 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
450 hp
336 kW
4.6 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
408 hp
304 kW
4.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,942 mm
194.6 in
Height
1,482 mm
58.3 in
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
Power
408 hp
304 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
590 L
20.8 cu ft
Length
4,953 mm
195.0 in
Height
1,419 mm
55.9 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
Power
408 hp
304 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.8 L/100 km
24.0 mpg US
28.8 mpg UK

AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
4.6 s
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
4.9 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
230 hp/t
171 kW/t
4.4 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
203 hp/t
152 kW/t
4.9 kg/hp
9.8 L/100 km
24.0 mpg US
28.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS6 Avant (C7)Facelift 20164.0 TFSI V8Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
Power
450 hp
336 kW
408 hp
304 kW
Torque
550 Nm
406 lb-ft
600 Nm
443 lb-ft
Acceleration
4.6 s
4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,960 kg
4,321 lb
2,005 kg
4,420 lb
Fuel consumption
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,942 mm
194.6 in
Height
1,482 mm
58.3 in
Doors/seats
5 doors
5 seats
Trunk
590 L
20.8 cu ft
Length
4,953 mm
195.0 in
Height
1,419 mm
55.9 in
Range score
781 km
485 mi
816 km
507 mi
CO2 score
224 g/km
229 g/km
Trunk score
565 L
20.0 cu ft
590 L
20.8 cu ft
Power-to-weight score
230 hp/t
171 kW/t
4.4 kg/hp
203 hp/t
152 kW/t
4.9 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleAUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8
Consumption9.6 L/100 km24.5 mpg US29.4 mpg UK9.8 L/100 km24 mpg US28.8 mpg UK
Cost / 100 km16.80 LC100 km17.15 LC100 km
Cost / 100 mi27.04 LC100 mi27.60 LC100 mi
Annual fuel used1,440 L380 US gal317 UK gal1,470 L388 US gal323 UK gal
Annual fuel cost2,520 LC/year2,573 LC/year

Head-to-head comparisons

AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8

  • Has 42 hp more
  • Is 45 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 0.2 L/100 km less fuel
  • Has 26 hp/t better power-to-weight
  • Emits 5 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S6 Avant (C7) 4.0 TFSI V8
Mercedes-Benz CLS Shooting Brake (X218) CLS 500 V8
Compare selected cars
2 vehicles selected

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