Car comparison

AUDI RS7 Sportback (C8) 4.0 TFSI V8vsAUDI S7 Sportback (C8) 2.9 TFSI V6

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

New comparison

AUDI RS7 Sportback (C8)

4.0 TFSI V8

600 hp3996 ccGasolineAWDAutomaticTwin-turboLiftback / fastback2019-2025
VS

AUDI S7 Sportback (C8)

2.9 TFSI V6

444 hp2894 ccGasolineAWDAutomaticTwin-turboLiftback / fastback2019-2023

Comparison overview

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

Best choices

AUDI RS7 Sportback (C8) 4.0 TFSI V8

  • Quickest 0-100 km/h
    3.6 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    600 hp
    447 kW
  • Highest torque
    800 Nm
    590 lb-ft
  • Lightest
    2,065 kg
    4,553 lb
  • Best power-to-weight
    291 hp/t
    217 kW/t
    3.4 kg/hp
  • Best overall score
    83/100
  • Best performance score
    85/100

AUDI S7 Sportback (C8) 2.9 TFSI V6

  • Lowest combined fuel consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest city consumption
    13.1 L/100 km
    18.0 mpg US
    21.6 mpg UK
  • Lowest highway consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Best estimated range
    682 km
    424 mi
  • Largest trunk
    697 L
  • Best economy score
    78/100
  • Best practicality score
    87/100

Specification comparison

Specification comparison
ModelAUDIRS7 Sportback (C8)4.0 TFSI V8AUDIS7 Sportback (C8)2.9 TFSI V6
Power
600hp447kW
444hp331kW
Torque
800Nm590lb-ft
600Nm443lb-ft
Curb weight
2,065kg4,553lb
2,248kg4,956lb
Gross weight
2,735kg6,030lb
-
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
54.3s99% target: 257 km/h / 160 mph
Calculated
84.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.6s
4.6s
0-200 km/h
13.7s
Calculated
19.2s
Calculated
0-60 mph
3.4s
Calculated
4.3s
Calculated
Fuel consumption
11.6L/100 km20.3mpg US24.4mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption city
16.1L/100 km14.6mpg US17.5mpg UK
13.1L/100 km18mpg US21.6mpg UK
Fuel consumption highway
8.7L/100 km27mpg US32.5mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
11.7s
Calculated
12.9s
Calculated
Power-to-weight
291hp/t217kW/t132hp/1000 lb
Calculated
198hp/t147kW/t90hp/1000 lb
Calculated
Torque-to-weight
387Nm/t259lb-ft/ton
Calculated
267Nm/t179lb-ft/ton
Calculated
Estimated range
629km391mi
Calculated
682km424mi
Calculated
Displacement
3,996cc244cu in
2,894cc177cu in
Length
5,009mm197in
4,978mm196in
Width
1,950mm77in
1,908mm75in
Height
1,424mm56in
1,417mm56in
Wheelbase
2,930mm115in
2,929mm115in
Front track
1,668mm66in
1,654mm65in
Rear track
1,650mm65in
1,636mm64in
Trunk volume
535L
697L
Max trunk volume
1,390L
-
Doors
4
5
Seats
5
5
Fuel tank
73L
73L
CO2 emissions
265g/km
-

Performance charts

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

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIRS7 Sportback (C8)4.0 TFSI V8AUDIS7 Sportback (C8)2.9 TFSI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
3.4 s
4.3 s
0-100 km/h
0-62 mph
3.6 s
4.6 s
0-200 km/h
0-124 mph
13.7 s
19.2 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
1.8 s
1.9 s
330 ft
101 m
5.0 s
5.4 s
1/8 mile
201 m
7.6 s
8.3 s
1000 ft
305 m
9.8 s
10.8 s
1/4 mile
402 m
11.7 s
12.9 s
Trap speed
1/4 mile
402 m
189 km/h
117 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
AUDIRS7 Sportback (C8)4.0 TFSI V8
600 hp
447 kW
AUDIS7 Sportback (C8)2.9 TFSI V6
444 hp
331 kW

AUDI RS7 Sportback (C8) 4.0 TFSI V8 has 156 hp more than AUDI S7 Sportback (C8) 2.9 TFSI V6.

The biggest power difference is between AUDI S7 Sportback (C8) 2.9 TFSI V6 and AUDI RS7 Sportback (C8) 4.0 TFSI V8: 156 hp (116 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIRS7 Sportback (C8)4.0 TFSI V8
800 Nm
590 lb-ft
AUDIS7 Sportback (C8)2.9 TFSI V6
600 Nm
443 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIRS7 Sportback (C8)4.0 TFSI V8
2,065 kg
4,553 lb
AUDIS7 Sportback (C8)2.9 TFSI V6
2,248 kg
4,956 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIRS7 Sportback (C8)4.0 TFSI V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIS7 Sportback (C8)2.9 TFSI 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
AUDIRS7 Sportback (C8)4.0 TFSI V83.6 s
AUDIS7 Sportback (C8)2.9 TFSI V64.6 s

The biggest 0-100 km/h difference is between AUDI RS7 Sportback (C8) 4.0 TFSI V8 and AUDI S7 Sportback (C8) 2.9 TFSI V6: 1.0 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIRS7 Sportback (C8)4.0 TFSI V8
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
AUDIS7 Sportback (C8)2.9 TFSI V6
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

The biggest fuel consumption difference is between AUDI S7 Sportback (C8) 2.9 TFSI V6 and AUDI RS7 Sportback (C8) 4.0 TFSI V8: 0.9 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
AUDIRS7 Sportback (C8)4.0 TFSI V8
291 hp/t
217 kW/t
3.4 kg/hp
AUDIS7 Sportback (C8)2.9 TFSI V6
198 hp/t
147 kW/t
5.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIRS7 Sportback (C8)4.0 TFSI V8
629 km
391 mi
AUDIS7 Sportback (C8)2.9 TFSI V6
682 km
424 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIRS7 Sportback (C8)4.0 TFSI V8
600 hp
447 kW
3.6 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIS7 Sportback (C8)2.9 TFSI V6
444 hp
331 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
AUDIRS7 Sportback (C8)4.0 TFSI V8
Power
600 hp
447 kW
0-100 km/h3.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
535 L
18.9 cu ft
Length
5,009 mm
197.2 in
Height
1,424 mm
56.1 in
AUDIS7 Sportback (C8)2.9 TFSI V6
Power
444 hp
331 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
697 L
24.6 cu ft
Length
4,978 mm
196.0 in
Height
1,417 mm
55.8 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
AUDIRS7 Sportback (C8)4.0 TFSI V8
Power
600 hp
447 kW
0-100 km/h3.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
AUDIS7 Sportback (C8)2.9 TFSI V6
Power
444 hp
331 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

AUDI RS7 Sportback (C8) 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
AUDIRS7 Sportback (C8)4.0 TFSI V8
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
3.6 s
AUDIS7 Sportback (C8)2.9 TFSI V6
10.7 L/100 km
22.0 mpg US
26.4 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
AUDIRS7 Sportback (C8)4.0 TFSI V8
291 hp/t
217 kW/t
3.4 kg/hp
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
AUDIS7 Sportback (C8)2.9 TFSI V6
198 hp/t
147 kW/t
5.1 kg/hp
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIRS7 Sportback (C8)4.0 TFSI V8AUDIS7 Sportback (C8)2.9 TFSI V6
Power
600 hp
447 kW
444 hp
331 kW
Torque
800 Nm
590 lb-ft
600 Nm
443 lb-ft
Acceleration
3.6 s
4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,065 kg
4,553 lb
2,248 kg
4,956 lb
Fuel consumption
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
535 L
18.9 cu ft
Length
5,009 mm
197.2 in
Height
1,424 mm
56.1 in
Doors/seats
5 doors
5 seats
Trunk
697 L
24.6 cu ft
Length
4,978 mm
196.0 in
Height
1,417 mm
55.8 in
Range score
629 km
391 mi
682 km
424 mi
CO2 score
265 g/km
-
Trunk score
535 L
18.9 cu ft
697 L
24.6 cu ft
Power-to-weight score
291 hp/t
217 kW/t
3.4 kg/hp
198 hp/t
147 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 RS7 Sportback (C8) 4.0 TFSI V8AUDI S7 Sportback (C8) 2.9 TFSI V6
Consumption11.6 L/100 km20.3 mpg US24.4 mpg UK10.7 L/100 km22 mpg US26.4 mpg UK
Cost / 100 km20.30 LC100 km18.72 LC100 km
Cost / 100 mi32.67 LC100 mi30.13 LC100 mi
Annual fuel used1,740 L460 US gal383 UK gal1,605 L424 US gal353 UK gal
Annual fuel cost3,045 LC/year2,809 LC/year

Head-to-head comparisons

AUDI RS7 Sportback (C8) 4.0 TFSI V8

  • Has 156 hp more
  • Has 200 Nm more
  • Is 183 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Has 93 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk

AUDI S7 Sportback (C8) 2.9 TFSI V6

  • Uses 0.9 L/100 km less fuel
  • Has 53 km (33 mi) more estimated range
  • Has 162 L more trunk volume

Pros

  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI RS7 Sportback (C8) 4.0 TFSI V8
AUDI S7 Sportback (C8) 2.9 TFSI V6
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2 vehicles selected

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