Car comparison

AUDI R8 Coupe (42) 5.2 FSI V10vsAUDI RS5 Coupe (8T) 4.2 FSI V8

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

New comparison

AUDI R8 Coupe (42)

5.2 FSI V10

525 hp5204 ccGasolineAWDAutomaticNaturally aspiratedCoupe2008-2010
VS

AUDI RS5 Coupe (8T)

4.2 FSI V8

450 hp4163 ccGasolineAWDAutomaticNaturally aspiratedCoupe2010-2011

Comparison overview

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

Best choices

AUDI R8 Coupe (42) 5.2 FSI V10

  • Quickest 0-100 km/h
    3.9 s
  • Fastest top speed
    316 km/h
    196 mph
  • Most powerful
    525 hp
    391 kW
  • Highest torque
    530 Nm
    391 lb-ft
  • Lightest
    1,625 kg
    3,583 lb
  • Best power-to-weight
    323 hp/t
    241 kW/t
    3.1 kg/hp
  • Best estimated range
    647 km
    402 mi
  • Best performance score
    87/100

AUDI RS5 Coupe (8T) 4.2 FSI V8

  • Lowest combined fuel consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Lowest city consumption
    14.9 L/100 km
    15.8 mpg US
    19.0 mpg UK
  • Lowest highway consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Lowest CO2 emissions
    252 g/km
  • Largest trunk
    455 L
  • Best overall score
    70/100
  • Best economy score
    78/100
  • Best practicality score
    58/100

Specification comparison

Specification comparison
ModelAUDIR8 Coupe (42)5.2 FSI V10AUDIRS5 Coupe (8T)4.2 FSI V8
Power
525hp391kW
450hp336kW
Torque
530Nm391lb-ft
430Nm317lb-ft
Curb weight
1,625kg3,583lb
1,725kg3,803lb
Gross weight
1,925kg4,244lb
2,225kg4,905lb
Top speed
316 km/h
196 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
61.1s99% target: 313 km/h / 194 mph
Calculated
60.2s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.9s
4.6s
0-200 km/h
11.4s
Calculated
15.7s
Calculated
0-60 mph
3.7s
Calculated
4.4s
Calculated
Fuel consumption
13.9L/100 km16.9mpg US20.3mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption city
21.1L/100 km11.1mpg US13.4mpg UK
14.9L/100 km15.8mpg US19.0mpg UK
Fuel consumption highway
9.9L/100 km23.8mpg US28.5mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Quarter mile
11.7s
Calculated
12.7s
Calculated
Power-to-weight
323hp/t241kW/t147hp/1000 lb
Calculated
261hp/t195kW/t118hp/1000 lb
Calculated
Torque-to-weight
326Nm/t218lb-ft/ton
Calculated
249Nm/t167lb-ft/ton
Calculated
Estimated range
647km402mi
Calculated
593km368mi
Calculated
Displacement
5,204cc318cu in
4,163cc254cu in
Length
4,434mm175in
4,649mm183in
Width
1,930mm76in
1,860mm73in
Height
1,252mm49in
1,366mm54in
Wheelbase
2,650mm104in
2,751mm108in
Front track
1,638mm64in
1,586mm62in
Rear track
1,595mm63in
1,582mm62in
Trunk volume
100L
455L
Max trunk volume-
829L
Doors
2
2
Seats
2
5
Fuel tank
90L
64L
CO2 emissions
326g/km
252g/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 R8 Coupe (42) 5.2 FSI V10AUDI RS5 Coupe (8T) 4.2 FSI V8PowerTorque
  • AUDI R8 Coupe (42) 5.2 FSI V10: Power / Torque
  • AUDI RS5 Coupe (8T) 4.2 FSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIR8 Coupe (42)5.2 FSI V108,000 rpm6,500 rpm8,250 rpm
AUDIRS5 Coupe (8T)4.2 FSI V88,250 rpm4,000-6,000 rpm8,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIR8 Coupe (42)5.2 FSI V10AUDIRS5 Coupe (8T)4.2 FSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
4.4 s
0-100 km/h
0-62 mph
3.9 s
4.6 s
0-200 km/h
0-124 mph
11.4 s
15.7 s
Top speed
316 km/h
196 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.2 s
5.5 s
1/8 mile
201 m
7.7 s
8.3 s
1000 ft
305 m
9.9 s
10.7 s
1/4 mile
402 m
11.7 s
12.7 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
182 km/h
113 mph

Power comparison

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

Chart data table
VehicleValue
AUDIR8 Coupe (42)5.2 FSI V10
525 hp
391 kW
AUDIRS5 Coupe (8T)4.2 FSI V8
450 hp
336 kW

AUDI R8 Coupe (42) 5.2 FSI V10 has 75 hp more than AUDI RS5 Coupe (8T) 4.2 FSI V8.

The biggest power difference is between AUDI RS5 Coupe (8T) 4.2 FSI V8 and AUDI R8 Coupe (42) 5.2 FSI V10: 75 hp (56 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIR8 Coupe (42)5.2 FSI V10
530 Nm
391 lb-ft
AUDIRS5 Coupe (8T)4.2 FSI V8
430 Nm
317 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIR8 Coupe (42)5.2 FSI V10
1,625 kg
3,583 lb
AUDIRS5 Coupe (8T)4.2 FSI V8
1,725 kg
3,803 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIR8 Coupe (42)5.2 FSI V10
316 km/h
196 mph
AUDIRS5 Coupe (8T)4.2 FSI V8
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
AUDIR8 Coupe (42)5.2 FSI V103.9 s
AUDIRS5 Coupe (8T)4.2 FSI V84.6 s

The biggest 0-100 km/h difference is between AUDI R8 Coupe (42) 5.2 FSI V10 and AUDI RS5 Coupe (8T) 4.2 FSI V8: 0.7 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIR8 Coupe (42)5.2 FSI V10
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
AUDIRS5 Coupe (8T)4.2 FSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK

The biggest fuel consumption difference is between AUDI RS5 Coupe (8T) 4.2 FSI V8 and AUDI R8 Coupe (42) 5.2 FSI V10: 3.1 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
AUDIR8 Coupe (42)5.2 FSI V10
323 hp/t
241 kW/t
3.1 kg/hp
AUDIRS5 Coupe (8T)4.2 FSI V8
261 hp/t
195 kW/t
3.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIR8 Coupe (42)5.2 FSI V10
647 km
402 mi
AUDIRS5 Coupe (8T)4.2 FSI V8
593 km
368 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIR8 Coupe (42)5.2 FSI V10
525 hp
391 kW
3.9 s
316 km/h
196 mph
AUDIRS5 Coupe (8T)4.2 FSI V8
450 hp
336 kW
4.6 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
AUDIR8 Coupe (42)5.2 FSI V10
Power
525 hp
391 kW
0-100 km/h3.9 s
Top speed
316 km/h
196 mph
Doors/seats
2 doors
2 seats
Trunk
100 L
3.5 cu ft
Length
4,434 mm
174.6 in
Height
1,252 mm
49.3 in
AUDIRS5 Coupe (8T)4.2 FSI V8
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,649 mm
183.0 in
Height
1,366 mm
53.8 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
AUDIR8 Coupe (42)5.2 FSI V10
Power
525 hp
391 kW
0-100 km/h3.9 s
Top speed
316 km/h
196 mph
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
AUDIRS5 Coupe (8T)4.2 FSI V8
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.8 L/100 km
21.8 mpg US
26.2 mpg UK

AUDI RS5 Coupe (8T) 4.2 FSI 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
AUDIR8 Coupe (42)5.2 FSI V10
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
3.9 s
AUDIRS5 Coupe (8T)4.2 FSI V8
10.8 L/100 km
21.8 mpg US
26.2 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
AUDIR8 Coupe (42)5.2 FSI V10
323 hp/t
241 kW/t
3.1 kg/hp
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
AUDIRS5 Coupe (8T)4.2 FSI V8
261 hp/t
195 kW/t
3.8 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIR8 Coupe (42)5.2 FSI V10AUDIRS5 Coupe (8T)4.2 FSI V8
Power
525 hp
391 kW
450 hp
336 kW
Torque
530 Nm
391 lb-ft
430 Nm
317 lb-ft
Acceleration
3.9 s
4.6 s
Top speed
316 km/h
196 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,625 kg
3,583 lb
1,725 kg
3,803 lb
Fuel consumption
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
100 L
3.5 cu ft
Length
4,434 mm
174.6 in
Height
1,252 mm
49.3 in
Doors/seats
2 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,649 mm
183.0 in
Height
1,366 mm
53.8 in
Range score
647 km
402 mi
593 km
368 mi
CO2 score
326 g/km
252 g/km
Trunk score
100 L
3.5 cu ft
455 L
16.1 cu ft
Power-to-weight score
323 hp/t
241 kW/t
3.1 kg/hp
261 hp/t
195 kW/t
3.8 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 R8 Coupe (42) 5.2 FSI V10AUDI RS5 Coupe (8T) 4.2 FSI V8
Consumption13.9 L/100 km16.9 mpg US20.3 mpg UK10.8 L/100 km21.8 mpg US26.2 mpg UK
Cost / 100 km24.33 LC100 km18.90 LC100 km
Cost / 100 mi39.15 LC100 mi30.42 LC100 mi
Annual fuel used2,085 L551 US gal459 UK gal1,620 L428 US gal356 UK gal
Annual fuel cost3,649 LC/year2,835 LC/year

Head-to-head comparisons

AUDI R8 Coupe (42) 5.2 FSI V10

  • Has 75 hp more
  • Has 100 Nm more
  • Is 100 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 51 km/h (32 mph) higher top speed
  • Has 62 hp/t better power-to-weight
  • Has 55 km (34 mi) more estimated range

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

AUDI RS5 Coupe (8T) 4.2 FSI V8

  • Uses 3.1 L/100 km less fuel
  • Has 355 L more trunk volume
  • Emits 74 g/km less CO2

Pros

  • Lowest combined fuel consumption
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI R8 Coupe (42) 5.2 FSI V10
AUDI RS5 Coupe (8T) 4.2 FSI V8
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