Car comparison

AUDI R8 Spyder (42) 4.2 FSI V8vsAUDI RS5 Cabriolet (8T) · Facelift 2013 4.2 FSI

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

New comparison

AUDI R8 Spyder (42)

4.2 FSI V8

430 hp4163 ccGasolineAWDAutomaticNaturally aspiratedCabriolet / convertible2011-2012
VS

AUDI RS5 Cabriolet (8T) · Facelift 2013

4.2 FSI

450 hp4163 ccGasolineAWDAutomaticNaturally aspiratedCabriolet / convertible2013-2015

Comparison overview

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

Best choices

AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI

  • Most powerful
    450 hp
    336 kW
  • Lowest combined fuel consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest city consumption
    14.6 L/100 km
    16.1 mpg US
    19.3 mpg UK
  • Lowest highway consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Lowest CO2 emissions
    249 g/km
  • Largest trunk
    320 L
  • Best overall score
    64/100
  • Best economy score
    78/100
  • Best practicality score
    46/100

AUDI R8 Spyder (42) 4.2 FSI V8

  • Quickest 0-100 km/h
    4.5 s
  • Fastest top speed
    300 km/h
    186 mph
  • Highest torque
    430 Nm
    317 lb-ft
  • Lightest
    1,665 kg
    3,671 lb
  • Best power-to-weight
    258 hp/t
    193 kW/t
    3.9 kg/hp
  • Best estimated range
    593 km
    368 mi
  • Best performance score
    78/100

Specification comparison

Specification comparison
ModelAUDIR8 Spyder (42)4.2 FSI V8AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Power
430hp321kW
450hp336kW
Torque
430Nm317lb-ft
430Nm317lb-ft
Curb weight
1,665kg3,671lb
1,920kg4,233lb
Gross weight
1,965kg4,332lb
2,420kg5,335lb
Top speed
300 km/h
186 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
71.9s99% target: 297 km/h / 185 mph
Calculated
65.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.5s
4.9s
0-200 km/h
14.0s
Calculated
17.5s
Calculated
0-60 mph
4.3s
Calculated
4.7s
Calculated
Fuel consumption
13.5L/100 km17.4mpg US20.9mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption city
20.1L/100 km11.7mpg US14.1mpg UK
14.6L/100 km16.1mpg US19.3mpg UK
Fuel consumption highway
9.6L/100 km24.5mpg US29.4mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Quarter mile
12.5s
Calculated
13.0s
Calculated
Power-to-weight
258hp/t193kW/t117hp/1000 lb
Calculated
234hp/t175kW/t106hp/1000 lb
Calculated
Torque-to-weight
258Nm/t173lb-ft/ton
Calculated
224Nm/t150lb-ft/ton
Calculated
Estimated range
593km368mi
Calculated
570km354mi
Calculated
Displacement
4,163cc254cu in
4,163cc254cu in
Length
4,431mm174in
4,649mm183in
Width
1,904mm75in
1,860mm73in
Height
1,244mm49in
1,380mm54in
Wheelbase
2,650mm104in
2,751mm108in
Front track
1,638mm64in
1,586mm62in
Rear track
1,595mm63in
1,582mm62in
Ground clearance
110mm4in
-
Trunk volume
100L
320L
Max trunk volume-
750L
Doors
2
2
Seats
2
4
Fuel tank
80L
61L
CO2 emissions
315g/km
249g/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 Spyder (42) 4.2 FSI V8AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSIPowerTorque
  • AUDI R8 Spyder (42) 4.2 FSI V8: Power / Torque
  • AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIR8 Spyder (42)4.2 FSI V87,900 rpm4,500-6,000 rpm8,250 rpm
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI8,250 rpm4,000-6,000 rpm8,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIR8 Spyder (42)4.2 FSI V8AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
4.7 s
0-100 km/h
0-62 mph
4.5 s
4.9 s
0-200 km/h
0-124 mph
14.0 s
17.5 s
Top speed
300 km/h
186 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.5 s
5.7 s
1/8 mile
201 m
8.2 s
8.5 s
1000 ft
305 m
10.5 s
11.0 s
1/4 mile
402 m
12.5 s
13.0 s
Trap speed
1/4 mile
402 m
189 km/h
117 mph
176 km/h
110 mph

Power comparison

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

Chart data table
VehicleValue
AUDIR8 Spyder (42)4.2 FSI V8
430 hp
321 kW
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
450 hp
336 kW

AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI has 20 hp more than AUDI R8 Spyder (42) 4.2 FSI V8.

The biggest power difference is between AUDI R8 Spyder (42) 4.2 FSI V8 and AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIR8 Spyder (42)4.2 FSI V8
430 Nm
317 lb-ft
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
430 Nm
317 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIR8 Spyder (42)4.2 FSI V8
1,665 kg
3,671 lb
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
1,920 kg
4,233 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 Spyder (42)4.2 FSI V8
300 km/h
186 mph
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
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
AUDIR8 Spyder (42)4.2 FSI V84.5 s
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI4.9 s

Although AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI has more power, AUDI R8 Spyder (42) 4.2 FSI V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI R8 Spyder (42) 4.2 FSI V8 and AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI: 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
AUDIR8 Spyder (42)4.2 FSI V8
13.5 L/100 km
17.4 mpg US
20.9 mpg UK
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

The biggest fuel consumption difference is between AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI and AUDI R8 Spyder (42) 4.2 FSI V8: 2.8 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 Spyder (42)4.2 FSI V8
258 hp/t
193 kW/t
3.9 kg/hp
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
234 hp/t
175 kW/t
4.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIR8 Spyder (42)4.2 FSI V8
593 km
368 mi
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
570 km
354 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIR8 Spyder (42)4.2 FSI V8
430 hp
321 kW
4.5 s
300 km/h
186 mph
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
450 hp
336 kW
4.9 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
AUDIR8 Spyder (42)4.2 FSI V8
Power
430 hp
321 kW
0-100 km/h4.5 s
Top speed
300 km/h
186 mph
Doors/seats
2 doors
2 seats
Trunk
100 L
3.5 cu ft
Length
4,431 mm
174.4 in
Height
1,244 mm
49.0 in
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Power
450 hp
336 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
320 L
11.3 cu ft
Length
4,649 mm
183.0 in
Height
1,380 mm
54.3 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
AUDIR8 Spyder (42)4.2 FSI V8
Power
430 hp
321 kW
0-100 km/h4.5 s
Top speed
300 km/h
186 mph
13.5 L/100 km
17.4 mpg US
20.9 mpg UK
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Power
450 hp
336 kW
0-100 km/h4.9 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 RS5 Cabriolet (8T) Facelift 2013 4.2 FSI 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 Spyder (42)4.2 FSI V8
13.5 L/100 km
17.4 mpg US
20.9 mpg UK
4.5 s
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
4.9 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 Spyder (42)4.2 FSI V8
258 hp/t
193 kW/t
3.9 kg/hp
13.5 L/100 km
17.4 mpg US
20.9 mpg UK
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
234 hp/t
175 kW/t
4.3 kg/hp
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIR8 Spyder (42)4.2 FSI V8AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Power
430 hp
321 kW
450 hp
336 kW
Torque
430 Nm
317 lb-ft
430 Nm
317 lb-ft
Acceleration
4.5 s
4.9 s
Top speed
300 km/h
186 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,665 kg
3,671 lb
1,920 kg
4,233 lb
Fuel consumption
13.5 L/100 km
17.4 mpg US
20.9 mpg UK
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
100 L
3.5 cu ft
Length
4,431 mm
174.4 in
Height
1,244 mm
49.0 in
Doors/seats
2 doors
4 seats
Trunk
320 L
11.3 cu ft
Length
4,649 mm
183.0 in
Height
1,380 mm
54.3 in
Range score
593 km
368 mi
570 km
354 mi
CO2 score
315 g/km
249 g/km
Trunk score
100 L
3.5 cu ft
320 L
11.3 cu ft
Power-to-weight score
258 hp/t
193 kW/t
3.9 kg/hp
234 hp/t
175 kW/t
4.3 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 Spyder (42) 4.2 FSI V8AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI
Consumption13.5 L/100 km17.4 mpg US20.9 mpg UK10.7 L/100 km22 mpg US26.4 mpg UK
Cost / 100 km23.63 LC100 km18.72 LC100 km
Cost / 100 mi38.02 LC100 mi30.13 LC100 mi
Annual fuel used2,025 L535 US gal445 UK gal1,605 L424 US gal353 UK gal
Annual fuel cost3,544 LC/year2,809 LC/year

Head-to-head comparisons

AUDI R8 Spyder (42) 4.2 FSI V8

  • Is 255 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 40 km/h (25 mph) higher top speed
  • Has 24 hp/t better power-to-weight
  • Has 22 km (14 mi) more estimated range

Pros

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

Cons

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

AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI

  • Has 20 hp more
  • Uses 2.8 L/100 km less fuel
  • Has 220 L more trunk volume
  • Emits 66 g/km less CO2

Pros

  • Most powerful
  • Lowest combined fuel consumption
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI R8 Spyder (42) 4.2 FSI V8
AUDI RS5 Cabriolet (8T) 4.2 FSI
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2 vehicles selected

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