Car comparison

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

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

New comparison

AUDI S6 Avant (C7)

4.0 TFSI V8

420 hp3993 ccGasolineAWDAutomaticTurbochargedWagon / estate2012-2014
VS

AUDI S6 Avant (C8)

3.0 TDI V6

344 hp2967 ccDieselAWDAutomaticTurbochargedWagon / estate2020-2023

Comparison overview

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

Best choices

AUDI S6 Avant (C7) 4.0 TFSI V8

  • Quickest 0-100 km/h
    4.7 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    420 hp
    313 kW
  • Lightest
    1,950 kg
    4,299 lb
  • Best power-to-weight
    215 hp/t
    161 kW/t
    4.6 kg/hp
  • Largest trunk
    565 L
  • Best overall score
    79/100
  • Best performance score
    75/100
  • Best practicality score
    87/100

AUDI S6 Avant (C8) 3.0 TDI V6

  • Highest torque
    700 Nm
    516 lb-ft
  • Lowest combined fuel consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Best estimated range
    840 km
    522 mi
  • Best economy score
    87/100

Specification comparison

Specification comparison
ModelAUDIS6 Avant (C7)4.0 TFSI V8AUDIS6 Avant (C8)3.0 TDI V6
Power
420hp313kW
344hp257kW
Torque
550Nm406lb-ft
700Nm516lb-ft
Curb weight
1,950kg4,299lb
2,020kg4,453lb
Gross weight
2,580kg5,688lb
2,655kg5,853lb
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
48.5s99% target: 257 km/h / 160 mph
Calculated
57.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.7s
5.1s
0-200 km/h
14.8s
Calculated
16.8s
Calculated
0-60 mph
4.5s
Calculated
4.9s
Calculated
Fuel consumption
9.7L/100 km24.2mpg US29.1mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Fuel consumption city
13.4L/100 km17.6mpg US21.1mpg UK
-
Fuel consumption highway
7.5L/100 km31.4mpg US37.7mpg UK
-
Quarter mile
12.7s
Calculated
13.1s
Calculated
Power-to-weight
215hp/t161kW/t98hp/1000 lb
Calculated
170hp/t127kW/t77hp/1000 lb
Calculated
Torque-to-weight
282Nm/t189lb-ft/ton
Calculated
347Nm/t232lb-ft/ton
Calculated
Estimated range
773km480mi
Calculated
840km522mi
Calculated
Displacement
3,993cc244cu in
2,967cc181cu in
Length
4,934mm194in
4,954mm195in
Width
1,874mm74in
1,886mm74in
Height
1,482mm58in
1,481mm58in
Wheelbase
2,916mm115in
2,928mm115in
Front track
1,627mm64in
1,620mm64in
Rear track
1,618mm64in
1,603mm63in
Trunk volume
565L
550L
Max trunk volume
1,680L
1,660L
Doors
5
5
Seats
5
5
Fuel tank
75L
63L
CO2 emissions
226g/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) 4.0 TFSI V8AUDI S6 Avant (C8) 3.0 TDI V6PowerTorque
  • AUDI S6 Avant (C7) 4.0 TFSI V8: Power / Torque
  • AUDI S6 Avant (C8) 3.0 TDI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS6 Avant (C7)4.0 TFSI V85,500-6,400 rpm1,400-5,200 rpm6,650 rpm
AUDIS6 Avant (C8)3.0 TDI V63,850-4,000 rpm1,750-3,250 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS6 Avant (C7)4.0 TFSI V8AUDIS6 Avant (C8)3.0 TDI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.5 s
4.9 s
0-100 km/h
0-62 mph
4.7 s
5.1 s
0-200 km/h
0-124 mph
14.8 s
16.8 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
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.7 s
5.8 s
1/8 mile
201 m
8.4 s
8.7 s
1000 ft
305 m
10.7 s
11.1 s
1/4 mile
402 m
12.7 s
13.1 s
Trap speed
1/4 mile
402 m
187 km/h
116 mph
179 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS6 Avant (C7)4.0 TFSI V8
420 hp
313 kW
AUDIS6 Avant (C8)3.0 TDI V6
344 hp
257 kW

AUDI S6 Avant (C7) 4.0 TFSI V8 has 76 hp more than AUDI S6 Avant (C8) 3.0 TDI V6.

The biggest power difference is between AUDI S6 Avant (C8) 3.0 TDI V6 and AUDI S6 Avant (C7) 4.0 TFSI V8: 76 hp (57 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS6 Avant (C7)4.0 TFSI V8
550 Nm
406 lb-ft
AUDIS6 Avant (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 Avant (C7)4.0 TFSI V8
1,950 kg
4,299 lb
AUDIS6 Avant (C8)3.0 TDI V6
2,020 kg
4,453 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)4.0 TFSI V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIS6 Avant (C8)3.0 TDI V6
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)4.0 TFSI V84.7 s
AUDIS6 Avant (C8)3.0 TDI V65.1 s

The biggest 0-100 km/h difference is between AUDI S6 Avant (C7) 4.0 TFSI V8 and AUDI S6 Avant (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 Avant (C7)4.0 TFSI V8
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
AUDIS6 Avant (C8)3.0 TDI V6
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

The biggest fuel consumption difference is between AUDI S6 Avant (C8) 3.0 TDI V6 and AUDI S6 Avant (C7) 4.0 TFSI V8: 2.2 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 Avant (C7)4.0 TFSI V8
215 hp/t
161 kW/t
4.6 kg/hp
AUDIS6 Avant (C8)3.0 TDI V6
170 hp/t
127 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS6 Avant (C7)4.0 TFSI V8
773 km
480 mi
AUDIS6 Avant (C8)3.0 TDI V6
840 km
522 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS6 Avant (C7)4.0 TFSI V8
420 hp
313 kW
4.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIS6 Avant (C8)3.0 TDI V6
344 hp
257 kW
5.1 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)4.0 TFSI V8
Power
420 hp
313 kW
0-100 km/h4.7 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
4,934 mm
194.3 in
Height
1,482 mm
58.3 in
AUDIS6 Avant (C8)3.0 TDI V6
Power
344 hp
257 kW
0-100 km/h5.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,954 mm
195.0 in
Height
1,481 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
AUDIS6 Avant (C7)4.0 TFSI V8
Power
420 hp
313 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
AUDIS6 Avant (C8)3.0 TDI V6
Power
344 hp
257 kW
0-100 km/h5.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

AUDI S6 Avant (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 Avant (C7)4.0 TFSI V8
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
4.7 s
AUDIS6 Avant (C8)3.0 TDI V6
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
5.1 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)4.0 TFSI V8
215 hp/t
161 kW/t
4.6 kg/hp
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
AUDIS6 Avant (C8)3.0 TDI V6
170 hp/t
127 kW/t
5.9 kg/hp
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS6 Avant (C7)4.0 TFSI V8AUDIS6 Avant (C8)3.0 TDI V6
Power
420 hp
313 kW
344 hp
257 kW
Torque
550 Nm
406 lb-ft
700 Nm
516 lb-ft
Acceleration
4.7 s
5.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,950 kg
4,299 lb
2,020 kg
4,453 lb
Fuel consumption
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,934 mm
194.3 in
Height
1,482 mm
58.3 in
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,954 mm
195.0 in
Height
1,481 mm
58.3 in
Range score
773 km
480 mi
840 km
522 mi
CO2 score
226 g/km
-
Trunk score
565 L
20.0 cu ft
550 L
19.4 cu ft
Power-to-weight score
215 hp/t
161 kW/t
4.6 kg/hp
170 hp/t
127 kW/t
5.9 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) 4.0 TFSI V8AUDI S6 Avant (C8) 3.0 TDI V6
Consumption9.7 L/100 km24.2 mpg US29.1 mpg UK7.5 L/100 km31.4 mpg US37.7 mpg UK
Cost / 100 km16.97 LC100 km13.13 LC100 km
Cost / 100 mi27.32 LC100 mi21.12 LC100 mi
Annual fuel used1,455 L384 US gal320 UK gal1,125 L297 US gal247 UK gal
Annual fuel cost2,546 LC/year1,969 LC/year

Head-to-head comparisons

AUDI S6 Avant (C7) 4.0 TFSI V8

  • Has 76 hp more
  • Is 70 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 45 hp/t better power-to-weight
  • Has 15 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 Avant (C8) 3.0 TDI V6

  • Has 150 Nm more
  • Uses 2.2 L/100 km less fuel
  • Has 67 km (42 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 Avant (C7) 4.0 TFSI V8
AUDI S6 Avant (C8) 3.0 TDI V6
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