Car comparison

AUDI S6 (C7) · Facelift 2014 4.0 TFSI V8vsAUDI S6 (4B/C5) 4.2 V8

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

New comparison

AUDI S6 (C7) · Facelift 2014

4.0 TFSI V8

450 hp3993 ccGasolineAWDAutomaticTwin-turboSedan2014-2018
VS

AUDI S6 (4B/C5)

4.2 V8

340 hp4172 ccGasolineAWDManualNaturally aspiratedSedan1999-2005

Comparison overview

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

Best choices

AUDI S6 (C7) Facelift 2014 4.0 TFSI V8

  • Quickest 0-100 km/h
    4.4 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Highest torque
    550 Nm
    406 lb-ft
  • Best power-to-weight
    237 hp/t
    177 kW/t
    4.2 kg/hp
  • 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
  • Best estimated range
    815 km
    507 mi
  • Largest trunk
    530 L
  • Best overall score
    78/100
  • Best performance score
    78/100
  • Best economy score
    82/100
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelAUDIS6 (C7)Facelift 20144.0 TFSI V8AUDIS6 (4B/C5)4.2 V8
Power
450hp336kW
340hp254kW
Torque
550Nm406lb-ft
420Nm310lb-ft
Curb weight
1,895kg4,178lb
1,735kg3,825lb
Gross weight
2,505kg5,523lb
2,275kg5,016lb
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
42.6s99% target: 262 km/h / 163 mph
Calculated
59.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.4s
5.7s
0-200 km/h
13.0s
Calculated
18.0s
Calculated
0-60 mph
4.2s
Calculated
5.4s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
14.1L/100 km16.7mpg US20.0mpg UK
Fuel consumption city
13.1L/100 km18mpg US21.6mpg UK
21L/100 km11.2mpg US13.5mpg UK
Fuel consumption highway
6.9L/100 km34.1mpg US40.9mpg UK
10.2L/100 km23.1mpg US27.7mpg UK
Quarter mile
12.3s
Calculated
13.7s
Calculated
Power-to-weight
237hp/t177kW/t108hp/1000 lb
Calculated
196hp/t146kW/t89hp/1000 lb
Calculated
Torque-to-weight
290Nm/t194lb-ft/ton
Calculated
242Nm/t162lb-ft/ton
Calculated
Estimated range
815km507mi
Calculated
582km361mi
Calculated
Displacement
3,993cc244cu in
4,172cc255cu in
Length
4,931mm194in
4,833mm190in
Width
1,874mm74in
1,850mm73in
Height
1,468mm58in
1,443mm57in
Wheelbase
2,917mm115in
2,759mm109in
Front track
1,615mm64in
1,578mm62in
Rear track
1,607mm63in
1,590mm63in
Trunk volume
530L
434L
Doors
4
4
Seats
5
5
Fuel tank
75L
82L
CO2 emissions
214g/km
338g/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) Facelift 2014 4.0 TFSI V8AUDI S6 (4B/C5) 4.2 V8PowerTorque
  • AUDI S6 (C7) Facelift 2014 4.0 TFSI V8: Power / Torque
  • AUDI S6 (4B/C5) 4.2 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS6 (C7)Facelift 20144.0 TFSI V85,800-6,400 rpm1,400-5,700 rpm6,650 rpm
AUDIS6 (4B/C5)4.2 V87,000 rpm3,400 rpm7,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS6 (C7)Facelift 20144.0 TFSI V8AUDIS6 (4B/C5)4.2 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
5.4 s
0-100 km/h
0-62 mph
4.4 s
5.7 s
0-200 km/h
0-124 mph
13.0 s
18.0 s
Top speed
Unrestricted
265 km/h165 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
2.2 s
2.5 s
330 ft
101 m
5.5 s
6.2 s
1/8 mile
201 m
8.2 s
9.1 s
1000 ft
305 m
10.4 s
11.6 s
1/4 mile
402 m
12.3 s
13.7 s
Trap speed
1/4 mile
402 m
194 km/h
121 mph
176 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS6 (C7)Facelift 20144.0 TFSI V8
450 hp
336 kW
AUDIS6 (4B/C5)4.2 V8
340 hp
254 kW

AUDI S6 (C7) Facelift 2014 4.0 TFSI V8 has 110 hp more than AUDI S6 (4B/C5) 4.2 V8.

The biggest power difference is between AUDI S6 (4B/C5) 4.2 V8 and AUDI S6 (C7) Facelift 2014 4.0 TFSI V8: 110 hp (82 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS6 (C7)Facelift 20144.0 TFSI V8
550 Nm
406 lb-ft
AUDIS6 (4B/C5)4.2 V8
420 Nm
310 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIS6 (C7)Facelift 20144.0 TFSI V8
1,895 kg
4,178 lb
AUDIS6 (4B/C5)4.2 V8
1,735 kg
3,825 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)Facelift 20144.0 TFSI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (4B/C5)4.2 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 (C7)Facelift 20144.0 TFSI V84.4 s
AUDIS6 (4B/C5)4.2 V85.7 s

The biggest 0-100 km/h difference is between AUDI S6 (C7) Facelift 2014 4.0 TFSI V8 and AUDI S6 (4B/C5) 4.2 V8: 1.3 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)Facelift 20144.0 TFSI V8
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
AUDIS6 (4B/C5)4.2 V8
14.1 L/100 km
16.7 mpg US
20.0 mpg UK

The biggest fuel consumption difference is between AUDI S6 (C7) Facelift 2014 4.0 TFSI V8 and AUDI S6 (4B/C5) 4.2 V8: 4.9 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)Facelift 20144.0 TFSI V8
237 hp/t
177 kW/t
4.2 kg/hp
AUDIS6 (4B/C5)4.2 V8
196 hp/t
146 kW/t
5.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS6 (C7)Facelift 20144.0 TFSI V8
815 km
507 mi
AUDIS6 (4B/C5)4.2 V8
582 km
361 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS6 (C7)Facelift 20144.0 TFSI V8
450 hp
336 kW
4.4 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (4B/C5)4.2 V8
340 hp
254 kW
5.7 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 (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
AUDIS6 (4B/C5)4.2 V8
Power
340 hp
254 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
434 L
15.3 cu ft
Length
4,833 mm
190.3 in
Height
1,443 mm
56.8 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 (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
AUDIS6 (4B/C5)4.2 V8
Power
340 hp
254 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
14.1 L/100 km
16.7 mpg US
20.0 mpg UK

AUDI S6 (C7) Facelift 2014 4.0 TFSI 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
AUDIS6 (C7)Facelift 20144.0 TFSI V8
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.4 s
AUDIS6 (4B/C5)4.2 V8
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
5.7 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)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
AUDIS6 (4B/C5)4.2 V8
196 hp/t
146 kW/t
5.1 kg/hp
14.1 L/100 km
16.7 mpg US
20.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS6 (C7)Facelift 20144.0 TFSI V8AUDIS6 (4B/C5)4.2 V8
Power
450 hp
336 kW
340 hp
254 kW
Torque
550 Nm
406 lb-ft
420 Nm
310 lb-ft
Acceleration
4.4 s
5.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,895 kg
4,178 lb
1,735 kg
3,825 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
14.1 L/100 km
16.7 mpg US
20.0 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
434 L
15.3 cu ft
Length
4,833 mm
190.3 in
Height
1,443 mm
56.8 in
Range score
815 km
507 mi
582 km
361 mi
CO2 score
214 g/km
338 g/km
Trunk score
530 L
18.7 cu ft
434 L
15.3 cu ft
Power-to-weight score
237 hp/t
177 kW/t
4.2 kg/hp
196 hp/t
146 kW/t
5.1 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) Facelift 2014 4.0 TFSI V8AUDI S6 (4B/C5) 4.2 V8
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK14.1 L/100 km16.7 mpg US20 mpg UK
Cost / 100 km16.10 LC100 km24.68 LC100 km
Cost / 100 mi25.91 LC100 mi39.71 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal2,115 L559 US gal465 UK gal
Annual fuel cost2,415 LC/year3,701 LC/year

Head-to-head comparisons

AUDI S6 (C7) Facelift 2014 4.0 TFSI V8

  • Has 110 hp more
  • Has 130 Nm more
  • Is 1.3 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Uses 4.9 L/100 km less fuel
  • Has 42 hp/t better power-to-weight
  • Has 234 km (145 mi) more estimated range
  • Has 96 L more trunk volume
  • Emits 124 g/km less CO2

Pros

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

Cons

  • Heaviest

AUDI S6 (4B/C5) 4.2 V8

  • Is 160 kg lighter

Pros

  • Lightest

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S6 (C7) 4.0 TFSI V8
AUDI S6 (4B/C5) 4.2 V8
Compare selected cars
2 vehicles selected

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