Car comparison

AUDI S6 (C7) 4.0 TFSI V8vsAUDI S6 (C8) 3.0 TDI V6

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

New comparison

AUDI S6 (C7)

4.0 TFSI V8

420 hp3993 ccGasolineAWDAutomaticTurbochargedSedan2012-2014
VS

AUDI S6 (C8)

3.0 TDI V6

349 hp2967 ccDieselAWDAutomaticTurbochargedSedan2019-2020

Comparison overview

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

Best choices

AUDI S6 (C7) 4.0 TFSI V8

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    420 hp
    313 kW
  • Lightest
    1,895 kg
    4,178 lb
  • Best power-to-weight
    222 hp/t
    165 kW/t
    4.5 kg/hp
  • Largest trunk
    530 L
  • Best overall score
    76/100
  • Best performance score
    76/100
  • Best practicality score
    77/100

AUDI S6 (C8) 3.0 TDI V6

  • Highest torque
    700 Nm
    516 lb-ft
  • Lowest combined fuel consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Lowest city consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest highway consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Best estimated range
    1,000 km
    621 mi
  • Best economy score
    90/100

Specification comparison

Specification comparison
ModelAUDIS6 (C7)4.0 TFSI V8AUDIS6 (C8)3.0 TDI V6
Power
420hp313kW
349hp260kW
Torque
550Nm406lb-ft
700Nm516lb-ft
Curb weight
1,895kg4,178lb
1,955kg4,310lb
Gross weight
2,505kg5,523lb
2,590kg5,710lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
46.1s99% target: 262 km/h / 163 mph
Calculated
52.9s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.6s
5.0s
0-200 km/h
13.9s
Calculated
15.4s
Calculated
0-60 mph
4.4s
Calculated
4.8s
Calculated
Fuel consumption
9.6L/100 km24.5mpg US29.4mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Fuel consumption city
13.4L/100 km17.6mpg US21.1mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption highway
7.5L/100 km31.4mpg US37.7mpg UK
5.6L/100 km42mpg US50.4mpg UK
Quarter mile
12.5s
Calculated
13.0s
Calculated
Power-to-weight
222hp/t165kW/t101hp/1000 lb
Calculated
179hp/t133kW/t81hp/1000 lb
Calculated
Torque-to-weight
290Nm/t194lb-ft/ton
Calculated
358Nm/t240lb-ft/ton
Calculated
Estimated range
781km485mi
Calculated
1,000km621mi
Calculated
Displacement
3,993cc244cu in
2,967cc181cu in
Length
4,931mm194in
4,954mm195in
Width
1,874mm74in
1,886mm74in
Height
1,468mm58in
1,446mm57in
Wheelbase
2,916mm115in
2,928mm115in
Front track
1,615mm64in
1,620mm64in
Rear track
1,606mm63in
1,603mm63in
Trunk volume
530L
520L
Max trunk volume
995L
-
Doors
4
4
Seats
5
5
Fuel tank
75L
63L
CO2 emissions
225g/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 (C7) 4.0 TFSI V8AUDI S6 (C8) 3.0 TDI V6PowerTorque
  • AUDI S6 (C7) 4.0 TFSI V8: Power / Torque
  • AUDI S6 (C8) 3.0 TDI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS6 (C7)4.0 TFSI V85,500-6,400 rpm1,400-5,200 rpm6,650 rpm
AUDIS6 (C8)3.0 TDI V63,850 rpm2,500-3,100 rpm4,100 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS6 (C7)4.0 TFSI V8AUDIS6 (C8)3.0 TDI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.8 s
0-100 km/h
0-62 mph
4.6 s
5.0 s
0-200 km/h
0-124 mph
13.9 s
15.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
5.6 s
5.8 s
1/8 mile
201 m
8.3 s
8.6 s
1000 ft
305 m
10.6 s
11.0 s
1/4 mile
402 m
12.5 s
13.0 s
Trap speed
1/4 mile
402 m
191 km/h
119 mph
184 km/h
114 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS6 (C7)4.0 TFSI V8
420 hp
313 kW
AUDIS6 (C8)3.0 TDI V6
349 hp
260 kW

AUDI S6 (C7) 4.0 TFSI V8 has 71 hp more than AUDI S6 (C8) 3.0 TDI V6.

The biggest power difference is between AUDI S6 (C8) 3.0 TDI V6 and AUDI S6 (C7) 4.0 TFSI V8: 71 hp (53 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS6 (C7)4.0 TFSI V8
550 Nm
406 lb-ft
AUDIS6 (C8)3.0 TDI V6
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIS6 (C7)4.0 TFSI V8
1,895 kg
4,178 lb
AUDIS6 (C8)3.0 TDI V6
1,955 kg
4,310 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 (C7)4.0 TFSI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (C8)3.0 TDI V6
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
AUDIS6 (C7)4.0 TFSI V84.6 s
AUDIS6 (C8)3.0 TDI V65.0 s

The biggest 0-100 km/h difference is between AUDI S6 (C7) 4.0 TFSI V8 and AUDI S6 (C8) 3.0 TDI V6: 0.4 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 (C7)4.0 TFSI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
AUDIS6 (C8)3.0 TDI V6
6.3 L/100 km
37.3 mpg US
44.8 mpg UK

The biggest fuel consumption difference is between AUDI S6 (C8) 3.0 TDI V6 and AUDI S6 (C7) 4.0 TFSI V8: 3.3 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
AUDIS6 (C7)4.0 TFSI V8
222 hp/t
165 kW/t
4.5 kg/hp
AUDIS6 (C8)3.0 TDI V6
179 hp/t
133 kW/t
5.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS6 (C7)4.0 TFSI V8
781 km
485 mi
AUDIS6 (C8)3.0 TDI V6
1,000 km
621 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS6 (C7)4.0 TFSI V8
420 hp
313 kW
4.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (C8)3.0 TDI V6
349 hp
260 kW
5.0 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
AUDIS6 (C7)4.0 TFSI V8
Power
420 hp
313 kW
0-100 km/h4.6 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
AUDIS6 (C8)3.0 TDI V6
Power
349 hp
260 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,954 mm
195.0 in
Height
1,446 mm
56.9 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 (C7)4.0 TFSI V8
Power
420 hp
313 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
AUDIS6 (C8)3.0 TDI V6
Power
349 hp
260 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
6.3 L/100 km
37.3 mpg US
44.8 mpg UK

AUDI S6 (C8) 3.0 TDI V6 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 (C7)4.0 TFSI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
4.6 s
AUDIS6 (C8)3.0 TDI V6
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
5.0 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 (C7)4.0 TFSI V8
222 hp/t
165 kW/t
4.5 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
AUDIS6 (C8)3.0 TDI V6
179 hp/t
133 kW/t
5.6 kg/hp
6.3 L/100 km
37.3 mpg US
44.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS6 (C7)4.0 TFSI V8AUDIS6 (C8)3.0 TDI V6
Power
420 hp
313 kW
349 hp
260 kW
Torque
550 Nm
406 lb-ft
700 Nm
516 lb-ft
Acceleration
4.6 s
5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,895 kg
4,178 lb
1,955 kg
4,310 lb
Fuel consumption
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
Practicality
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
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,954 mm
195.0 in
Height
1,446 mm
56.9 in
Range score
781 km
485 mi
1,000 km
621 mi
CO2 score
225 g/km
-
Trunk score
530 L
18.7 cu ft
520 L
18.4 cu ft
Power-to-weight score
222 hp/t
165 kW/t
4.5 kg/hp
179 hp/t
133 kW/t
5.6 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 (C7) 4.0 TFSI V8AUDI S6 (C8) 3.0 TDI V6
Consumption9.6 L/100 km24.5 mpg US29.4 mpg UK6.3 L/100 km37.3 mpg US44.8 mpg UK
Cost / 100 km16.80 LC100 km11.03 LC100 km
Cost / 100 mi27.04 LC100 mi17.74 LC100 mi
Annual fuel used1,440 L380 US gal317 UK gal945 L250 US gal208 UK gal
Annual fuel cost2,520 LC/year1,654 LC/year

Head-to-head comparisons

AUDI S6 (C7) 4.0 TFSI V8

  • Has 71 hp more
  • Is 60 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 43 hp/t better power-to-weight
  • Has 10 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption

AUDI S6 (C8) 3.0 TDI V6

  • Has 150 Nm more
  • Uses 3.3 L/100 km less fuel
  • Has 219 km (136 mi) more estimated range

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S6 (C7) 4.0 TFSI V8
AUDI S6 (C8) 3.0 TDI V6
Compare selected cars
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