Car comparison

AUDI S8 (D4) · Facelift 2013 4.0 TFSI COD V8 plusvsAUDI S6 (C7) · Facelift 2014 4.0 TFSI V8

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

New comparison

AUDI S8 (D4) · Facelift 2013

4.0 TFSI COD V8 plus

605 hp3993 ccGasolineAWDAutomaticTwin-turboSedan2015-2018
VS

AUDI S6 (C7) · Facelift 2014

4.0 TFSI V8

450 hp3993 ccGasolineAWDAutomaticTwin-turboSedan2014-2018

Comparison overview

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

Best choices

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus

  • Quickest 0-100 km/h
    3.8 s
  • Fastest top speed
    305 km/h
    190 mph
  • Most powerful
    605 hp
    451 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Best power-to-weight
    304 hp/t
    227 kW/t
    3.3 kg/hp
  • Best estimated range
    820 km
    510 mi
  • Best overall score
    86/100
  • Best performance score
    90/100
  • Best practicality score
    77/100

AUDI S6 (C7) Facelift 2014 4.0 TFSI V8

  • Lightest
    1,895 kg
    4,178 lb
  • Lowest combined fuel consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest city consumption
    13.1 L/100 km
    18.0 mpg US
    21.6 mpg UK
  • Lowest highway consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest CO2 emissions
    214 g/km
  • Largest trunk
    530 L
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelAUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plusAUDIS6 (C7)Facelift 20144.0 TFSI V8
Power
605hp451kW
450hp336kW
Torque
750Nm553lb-ft
550Nm406lb-ft
Curb weight
1,990kg4,387lb
1,895kg4,178lb
Gross weight
2,590kg5,710lb
2,505kg5,523lb
Top speed
305 km/h
190 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
40.0s99% target: 302 km/h / 188 mph
Calculated
42.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.8s
4.4s
0-200 km/h
9.8s
Calculated
13.0s
Calculated
0-60 mph
3.7s
Calculated
4.2s
Calculated
Fuel consumption
10L/100 km23.5mpg US28.2mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption city
13.7L/100 km17.2mpg US20.6mpg UK
13.1L/100 km18mpg US21.6mpg UK
Fuel consumption highway
7.9L/100 km29.8mpg US35.8mpg UK
6.9L/100 km34.1mpg US40.9mpg UK
Quarter mile
11.3s
Calculated
12.3s
Calculated
Power-to-weight
304hp/t227kW/t138hp/1000 lb
Calculated
237hp/t177kW/t108hp/1000 lb
Calculated
Torque-to-weight
377Nm/t252lb-ft/ton
Calculated
290Nm/t194lb-ft/ton
Calculated
Estimated range
820km510mi
Calculated
815km507mi
Calculated
Displacement
3,993cc244cu in
3,993cc244cu in
Length
5,147mm203in
4,931mm194in
Width
1,949mm77in
1,874mm74in
Height
1,458mm57in
1,468mm58in
Wheelbase
2,994mm118in
2,917mm115in
Front track
1,632mm64in
1,615mm64in
Rear track
1,623mm64in
1,607mm63in
Trunk volume
520L
530L
Doors
4
4
Seats
5
5
Fuel tank
82L
75L
CO2 emissions
231g/km
214g/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 S8 (D4) Facelift 2013 4.0 TFSI COD V8 plusAUDI S6 (C7) Facelift 2014 4.0 TFSI V8PowerTorque
  • AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus: Power / Torque
  • AUDI S6 (C7) Facelift 2014 4.0 TFSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus6,100-6,800 rpm2,500-5,500 rpm7,050 rpm
AUDIS6 (C7)Facelift 20144.0 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
MetricAUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plusAUDIS6 (C7)Facelift 20144.0 TFSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
4.2 s
0-100 km/h
0-62 mph
3.8 s
4.4 s
0-200 km/h
0-124 mph
9.8 s
13.0 s
Top speed
305 km/h
190 mph
Unrestricted
265 km/h165 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
5.5 s
1/8 mile
201 m
7.6 s
8.2 s
1000 ft
305 m
9.6 s
10.4 s
1/4 mile
402 m
11.3 s
12.3 s
Trap speed
1/4 mile
402 m
217 km/h
135 mph
194 km/h
121 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
605 hp
451 kW
AUDIS6 (C7)Facelift 20144.0 TFSI V8
450 hp
336 kW

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus has 155 hp more than AUDI S6 (C7) Facelift 2014 4.0 TFSI V8.

The biggest power difference is between AUDI S6 (C7) Facelift 2014 4.0 TFSI V8 and AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus: 155 hp (116 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
750 Nm
553 lb-ft
AUDIS6 (C7)Facelift 20144.0 TFSI V8
550 Nm
406 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
1,990 kg
4,387 lb
AUDIS6 (C7)Facelift 20144.0 TFSI V8
1,895 kg
4,178 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
305 km/h
190 mph
AUDIS6 (C7)Facelift 20144.0 TFSI V8
Unrestricted
265 km/h165 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus3.8 s
AUDIS6 (C7)Facelift 20144.0 TFSI V84.4 s

The biggest 0-100 km/h difference is between AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus and AUDI S6 (C7) Facelift 2014 4.0 TFSI V8: 0.6 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
AUDIS6 (C7)Facelift 20144.0 TFSI V8
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

The biggest fuel consumption difference is between AUDI S6 (C7) Facelift 2014 4.0 TFSI V8 and AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus: 0.8 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
304 hp/t
227 kW/t
3.3 kg/hp
AUDIS6 (C7)Facelift 20144.0 TFSI V8
237 hp/t
177 kW/t
4.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
820 km
510 mi
AUDIS6 (C7)Facelift 20144.0 TFSI V8
815 km
507 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
605 hp
451 kW
3.8 s
305 km/h
190 mph
AUDIS6 (C7)Facelift 20144.0 TFSI V8
450 hp
336 kW
4.4 s
Unrestricted
265 km/h165 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
Power
605 hp
451 kW
0-100 km/h3.8 s
Top speed
305 km/h
190 mph
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,147 mm
202.6 in
Height
1,458 mm
57.4 in
AUDIS6 (C7)Facelift 20144.0 TFSI V8
Power
450 hp
336 kW
0-100 km/h4.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
4,931 mm
194.1 in
Height
1,468 mm
57.8 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
Power
605 hp
451 kW
0-100 km/h3.8 s
Top speed
305 km/h
190 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
AUDIS6 (C7)Facelift 20144.0 TFSI V8
Power
450 hp
336 kW
0-100 km/h4.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
3.8 s
AUDIS6 (C7)Facelift 20144.0 TFSI V8
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.4 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
304 hp/t
227 kW/t
3.3 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
AUDIS6 (C7)Facelift 20144.0 TFSI V8
237 hp/t
177 kW/t
4.2 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plusAUDIS6 (C7)Facelift 20144.0 TFSI V8
Power
605 hp
451 kW
450 hp
336 kW
Torque
750 Nm
553 lb-ft
550 Nm
406 lb-ft
Acceleration
3.8 s
4.4 s
Top speed
305 km/h
190 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,990 kg
4,387 lb
1,895 kg
4,178 lb
Fuel consumption
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,147 mm
202.6 in
Height
1,458 mm
57.4 in
Doors/seats
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
4,931 mm
194.1 in
Height
1,468 mm
57.8 in
Range score
820 km
510 mi
815 km
507 mi
CO2 score
231 g/km
214 g/km
Trunk score
520 L
18.4 cu ft
530 L
18.7 cu ft
Power-to-weight score
304 hp/t
227 kW/t
3.3 kg/hp
237 hp/t
177 kW/t
4.2 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 S8 (D4) Facelift 2013 4.0 TFSI COD V8 plusAUDI S6 (C7) Facelift 2014 4.0 TFSI V8
Consumption10 L/100 km23.5 mpg US28.2 mpg UK9.2 L/100 km25.6 mpg US30.7 mpg UK
Cost / 100 km17.50 LC100 km16.10 LC100 km
Cost / 100 mi28.16 LC100 mi25.91 LC100 mi
Annual fuel used1,500 L396 US gal330 UK gal1,380 L365 US gal304 UK gal
Annual fuel cost2,625 LC/year2,415 LC/year

Head-to-head comparisons

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus

  • Has 155 hp more
  • Has 200 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 40 km/h (25 mph) higher top speed
  • Has 67 hp/t better power-to-weight
  • Has 5 km (3 mi) more estimated range

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

AUDI S6 (C7) Facelift 2014 4.0 TFSI V8

  • Is 95 kg lighter
  • Uses 0.8 L/100 km less fuel
  • Has 10 L more trunk volume
  • Emits 17 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S8 (D4) 4.0 TFSI COD V8 plus
AUDI S6 (C7) 4.0 TFSI V8
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2 vehicles selected

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