Car comparison

AUDI S6 (C8) 3.0 TDI V6vsAUDI S6 Avant (C7) · Facelift 2014 4.0 TFSI V8

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

New comparison

AUDI S6 (C8)

3.0 TDI V6

344 hp2967 ccDieselAWDAutomaticTurbochargedSedan2020-2023
VS

AUDI S6 Avant (C7) · Facelift 2014

4.0 TFSI V8

450 hp3993 ccGasolineAWDAutomaticTwin-turboWagon / estate2014-2018

Comparison overview

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

Best choices

AUDI S6 Avant (C7) Facelift 2014 4.0 TFSI V8

  • Quickest 0-100 km/h
    4.6 s
  • Most powerful
    450 hp
    336 kW
  • Best power-to-weight
    230 hp/t
    171 kW/t
    4.4 kg/hp
  • Largest trunk
    565 L
  • Best overall score
    80/100
  • Best performance score
    77/100
  • Best practicality score
    87/100

AUDI S6 (C8) 3.0 TDI V6

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    1,955 kg
    4,310 lb
  • Lowest combined fuel consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Best estimated range
    863 km
    536 mi
  • Best economy score
    87/100

Specification comparison

Specification comparison
ModelAUDIS6 (C8)3.0 TDI V6AUDIS6 Avant (C7)Facelift 20144.0 TFSI V8
Power
344hp257kW
450hp336kW
Torque
700Nm516lb-ft
550Nm406lb-ft
Curb weight
1,955kg4,310lb
1,960kg4,321lb
Gross weight
2,590kg5,710lb
2,590kg5,710lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
52.4s99% target: 262 km/h / 163 mph
Calculated
46.7s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.0s
4.6s
0-200 km/h
15.4s
Calculated
14.4s
Calculated
0-60 mph
4.8s
Calculated
4.4s
Calculated
Fuel consumption
7.3L/100 km32.2mpg US38.7mpg UK
9.4L/100 km25mpg US30.1mpg UK
Fuel consumption city-
13.4L/100 km17.6mpg US21.1mpg UK
Fuel consumption highway-
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
13.0s
Calculated
12.6s
Calculated
Power-to-weight
176hp/t131kW/t80hp/1000 lb
Calculated
230hp/t171kW/t104hp/1000 lb
Calculated
Torque-to-weight
358Nm/t240lb-ft/ton
Calculated
281Nm/t188lb-ft/ton
Calculated
Estimated range
863km536mi
Calculated
798km496mi
Calculated
Displacement
2,967cc181cu in
3,993cc244cu in
Length
4,954mm195in
4,942mm195in
Width
1,886mm74in
1,874mm74in
Height
1,446mm57in
1,468mm58in
Wheelbase
2,928mm115in
2,917mm115in
Front track
1,620mm64in
1,615mm64in
Rear track
1,603mm63in
1,607mm63in
Trunk volume
520L
565L
Max trunk volume-
1,680L
Doors
4
5
Seats
5
5
Fuel tank
63L
75L
CO2 emissions-
219g/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 (C8) 3.0 TDI V6AUDI S6 Avant (C7) Facelift 2014 4.0 TFSI V8PowerTorque
  • AUDI S6 (C8) 3.0 TDI V6: Power / Torque
  • AUDI S6 Avant (C7) Facelift 2014 4.0 TFSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS6 (C8)3.0 TDI V63,850-4,000 rpm1,750-3,250 rpm4,250 rpm
AUDIS6 Avant (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
MetricAUDIS6 (C8)3.0 TDI V6AUDIS6 Avant (C7)Facelift 20144.0 TFSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
4.4 s
0-100 km/h
0-62 mph
5.0 s
4.6 s
0-200 km/h
0-124 mph
15.4 s
14.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.2 s
330 ft
101 m
5.8 s
5.6 s
1/8 mile
201 m
8.6 s
8.3 s
1000 ft
305 m
11.0 s
10.6 s
1/4 mile
402 m
13.0 s
12.6 s
Trap speed
1/4 mile
402 m
184 km/h
115 mph
188 km/h
117 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS6 (C8)3.0 TDI V6
344 hp
257 kW
AUDIS6 Avant (C7)Facelift 20144.0 TFSI V8
450 hp
336 kW

AUDI S6 Avant (C7) Facelift 2014 4.0 TFSI V8 has 106 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 Avant (C7) Facelift 2014 4.0 TFSI V8: 106 hp (79 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS6 (C8)3.0 TDI V6
700 Nm
516 lb-ft
AUDIS6 Avant (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
AUDIS6 (C8)3.0 TDI V6
1,955 kg
4,310 lb
AUDIS6 Avant (C7)Facelift 20144.0 TFSI V8
1,960 kg
4,321 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 (C8)3.0 TDI V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 Avant (C7)Facelift 20144.0 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

Chart data table
VehicleValue
AUDIS6 (C8)3.0 TDI V65.0 s
AUDIS6 Avant (C7)Facelift 20144.0 TFSI V84.6 s

The biggest 0-100 km/h difference is between AUDI S6 Avant (C7) Facelift 2014 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 (C8)3.0 TDI V6
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
AUDIS6 Avant (C7)Facelift 20144.0 TFSI V8
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

The biggest fuel consumption difference is between AUDI S6 (C8) 3.0 TDI V6 and AUDI S6 Avant (C7) Facelift 2014 4.0 TFSI V8: 2.1 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 (C8)3.0 TDI V6
176 hp/t
131 kW/t
5.7 kg/hp
AUDIS6 Avant (C7)Facelift 20144.0 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

Chart data table
VehicleValue
AUDIS6 (C8)3.0 TDI V6
863 km
536 mi
AUDIS6 Avant (C7)Facelift 20144.0 TFSI V8
798 km
496 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS6 (C8)3.0 TDI V6
344 hp
257 kW
5.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 Avant (C7)Facelift 20144.0 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
AUDIS6 (C8)3.0 TDI V6
Power
344 hp
257 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
AUDIS6 Avant (C7)Facelift 20144.0 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
1,468 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
AUDIS6 (C8)3.0 TDI V6
Power
344 hp
257 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
AUDIS6 Avant (C7)Facelift 20144.0 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
9.4 L/100 km
25.0 mpg US
30.1 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 (C8)3.0 TDI V6
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
5.0 s
AUDIS6 Avant (C7)Facelift 20144.0 TFSI V8
9.4 L/100 km
25.0 mpg US
30.1 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
AUDIS6 (C8)3.0 TDI V6
176 hp/t
131 kW/t
5.7 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
AUDIS6 Avant (C7)Facelift 20144.0 TFSI V8
230 hp/t
171 kW/t
4.4 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS6 (C8)3.0 TDI V6AUDIS6 Avant (C7)Facelift 20144.0 TFSI V8
Power
344 hp
257 kW
450 hp
336 kW
Torque
700 Nm
516 lb-ft
550 Nm
406 lb-ft
Acceleration
5.0 s
4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,955 kg
4,310 lb
1,960 kg
4,321 lb
Fuel consumption
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Practicality
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
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,942 mm
194.6 in
Height
1,468 mm
57.8 in
Range score
863 km
536 mi
798 km
496 mi
CO2 score
-
219 g/km
Trunk score
520 L
18.4 cu ft
565 L
20.0 cu ft
Power-to-weight score
176 hp/t
131 kW/t
5.7 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
VehicleAUDI S6 (C8) 3.0 TDI V6AUDI S6 Avant (C7) Facelift 2014 4.0 TFSI V8
Consumption7.3 L/100 km32.2 mpg US38.7 mpg UK9.4 L/100 km25 mpg US30.1 mpg UK
Cost / 100 km12.78 LC100 km16.45 LC100 km
Cost / 100 mi20.56 LC100 mi26.47 LC100 mi
Annual fuel used1,095 L289 US gal241 UK gal1,410 L372 US gal310 UK gal
Annual fuel cost1,916 LC/year2,468 LC/year

Head-to-head comparisons

AUDI S6 (C8) 3.0 TDI V6

  • Has 150 Nm more
  • Is 5 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Uses 2.1 L/100 km less fuel
  • Has 65 km (40 mi) more estimated range

Pros

  • Highest top speed
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

AUDI S6 Avant (C7) Facelift 2014 4.0 TFSI V8

  • Has 106 hp more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 54 hp/t better power-to-weight
  • Has 45 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed

Choose cars to compare

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