Car comparison

Mercedes-Benz CLS Shooting Brake (X218) · Facelift 2014 AMG CLS 63 V8vsAUDI S6 Avant (C7) · Facelift 2016 4.0 TFSI V8

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

New comparison

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

AMG CLS 63 V8

557 hp5461 ccGasolineAWDAutomaticTwin-turboWagon / estate2014-2018
VS

AUDI S6 Avant (C7) · Facelift 2016

4.0 TFSI V8

450 hp3993 ccGasolineAWDAutomaticTurbochargedWagon / estate2016-2018

Comparison overview

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

Best choices

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8

  • Quickest 0-100 km/h
    3.8 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    557 hp
    415 kW
  • Highest torque
    720 Nm
    531 lb-ft
  • Best power-to-weight
    275 hp/t
    205 kW/t
    3.6 kg/hp
  • Largest trunk
    590 L
  • Best overall score
    86/100
  • Best performance score
    85/100
  • Best practicality score
    87/100

AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8

  • Lightest
    1,960 kg
    4,321 lb
  • Lowest combined fuel consumption
    9.6 L/100 km
    24.5 mpg US
    29.4 mpg UK
  • Lowest city consumption
    13.5 L/100 km
    17.4 mpg US
    20.9 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 estimated range
    781 km
    485 mi
  • Best economy score
    81/100

Specification comparison

Specification comparison
ModelMercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Power
557hp415kW
450hp336kW
Torque
720Nm531lb-ft
550Nm406lb-ft
Curb weight
2,025kg4,464lb
1,960kg4,321lb
Gross weight
2,560kg5,644lb
2,590kg5,710lb
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
34.6s99% target: 257 km/h / 160 mph
Calculated
46.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.8s
4.6s
0-200 km/h
11.3s
Calculated
14.4s
Calculated
0-60 mph
3.6s
Calculated
4.4s
Calculated
Fuel consumption
10.6L/100 km22.2mpg US26.6mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption city
14.4L/100 km16.3mpg US19.6mpg UK
13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption highway
8.4L/100 km28mpg US33.6mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Quarter mile
11.6s
Calculated
12.6s
Calculated
Power-to-weight
275hp/t205kW/t125hp/1000 lb
Calculated
230hp/t171kW/t104hp/1000 lb
Calculated
Torque-to-weight
356Nm/t238lb-ft/ton
Calculated
281Nm/t188lb-ft/ton
Calculated
Estimated range
623km387mi
Calculated
781km485mi
Calculated
Displacement
5,461cc333cu in
3,993cc244cu in
Length
4,953mm195in
4,942mm195in
Width
1,881mm74in
1,874mm74in
Height
1,419mm56in
1,482mm58in
Wheelbase
2,874mm113in
2,917mm115in
Front track
1,596mm63in
1,615mm64in
Rear track
1,629mm64in
1,607mm63in
Trunk volume
590L
565L
Max trunk volume
1,550L
1,680L
Doors
5
5
Seats
5
5
Fuel tank
66L
75L
CO2 emissions
248g/km
224g/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.

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8PowerTorque
  • Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8: Power / Torque
  • AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V85,500 rpm1,750-5,250 rpm5,750 rpm
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V85,800-6,400 rpm1,400-5,700 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
4.4 s
0-100 km/h
0-62 mph
3.8 s
4.6 s
0-200 km/h
0-124 mph
11.3 s
14.4 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
2.1 s
2.2 s
330 ft
101 m
5.2 s
5.6 s
1/8 mile
201 m
7.7 s
8.3 s
1000 ft
305 m
9.8 s
10.6 s
1/4 mile
402 m
11.6 s
12.6 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
188 km/h
117 mph

Power comparison

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

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8 has 107 hp more than AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8.

The biggest power difference is between AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8 and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8: 107 hp (80 kW).

Torque comparison

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

Curb weight comparison

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

Top speed without limiter comparison

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

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIS6 Avant (C7)Facelift 20164.0 TFSI 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

The biggest 0-100 km/h difference is between Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8 and AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8: 0.8 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

The biggest fuel consumption difference is between AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8 and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8: 1.0 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
275 hp/t
205 kW/t
3.6 kg/hp
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
230 hp/t
171 kW/t
4.4 kg/hp

Estimated range comparison

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

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
557 hp
415 kW
3.8 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
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

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
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
Power
557 hp
415 kW
0-100 km/h3.8 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
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

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
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
Power
557 hp
415 kW
0-100 km/h3.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
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-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 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
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
3.8 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

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
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8
275 hp/t
205 kW/t
3.6 kg/hp
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 V8AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Power
557 hp
415 kW
450 hp
336 kW
Torque
720 Nm
531 lb-ft
550 Nm
406 lb-ft
Acceleration
3.8 s
4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,025 kg
4,464 lb
1,960 kg
4,321 lb
Fuel consumption
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Practicality
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
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
Range score
623 km
387 mi
781 km
485 mi
CO2 score
248 g/km
224 g/km
Trunk score
590 L
20.8 cu ft
565 L
20.0 cu ft
Power-to-weight score
275 hp/t
205 kW/t
3.6 kg/hp
230 hp/t
171 kW/t
4.4 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
VehicleMercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8
Consumption10.6 L/100 km22.2 mpg US26.6 mpg UK9.6 L/100 km24.5 mpg US29.4 mpg UK
Cost / 100 km18.55 LC100 km16.80 LC100 km
Cost / 100 mi29.85 LC100 mi27.04 LC100 mi
Annual fuel used1,590 L420 US gal350 UK gal1,440 L380 US gal317 UK gal
Annual fuel cost2,783 LC/year2,520 LC/year

Head-to-head comparisons

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 V8

  • Has 107 hp more
  • Has 170 Nm more
  • Is 0.8 s quicker from 0-100 km/h
  • Has 45 hp/t better power-to-weight
  • Has 25 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8

  • Is 65 kg lighter
  • Uses 1.0 L/100 km less fuel
  • Has 159 km (99 mi) more estimated range
  • Emits 24 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz CLS Shooting Brake (X218) AMG CLS 63 V8
AUDI S6 Avant (C7) 4.0 TFSI V8
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Popular comparisons

Mercedes-Benz CLS Shooting Brake (X218) · Facelift 2014 AMG CLS 63 V8 vs AUDI S6 Avant (C7) · Facelift 2016 4.0 TFSI V8 - car comparison - FastVsFaster