Car comparison

AUDI R8 Spyder (42) 4.2 FSI V8vsBMW M3 Convertible (E93) 4.0 V8

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

BMW M3 Convertible (E93)

4.0 V8

420 hp3999 ccGasolineRWDDual-clutchNaturally aspiratedCabriolet / convertible2008-2010

Comparison overview

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

Best choices

AUDI R8 Spyder (42) 4.2 FSI V8

  • Quickest 0-100 km/h
    4.5 s
  • Fastest top speed
    300 km/h
    186 mph
  • Most powerful
    430 hp
    321 kW
  • 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 overall score
    62/100
  • Best performance score
    78/100

BMW M3 Convertible (E93) 4.0 V8

  • Lowest combined fuel consumption
    12.3 L/100 km
    19.1 mpg US
    23.0 mpg UK
  • Lowest city consumption
    17.3 L/100 km
    13.6 mpg US
    16.3 mpg UK
  • Lowest highway consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Largest trunk
    210 L
  • Best economy score
    74/100
  • Best practicality score
    42/100

Specification comparison

Specification comparison
ModelAUDIR8 Spyder (42)4.2 FSI V8BMWM3 Convertible (E93)4.0 V8
Power
430hp321kW
420hp313kW
Torque
430Nm317lb-ft
400Nm295lb-ft
Curb weight
1,665kg3,671lb
1,830kg4,034lb
Gross weight
1,965kg4,332lb
2,280kg5,027lb
Top speed
300 km/h
186 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
71.7s99% target: 297 km/h / 185 mph
Calculated
61.3s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.5s
5.1s
0-200 km/h
14.0s
Calculated
17.3s
0-60 mph
4.3s
Calculated
4.9s
Calculated
Fuel consumption
13.5L/100 km17.4mpg US20.9mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
20.1L/100 km11.7mpg US14.1mpg UK
17.3L/100 km13.6mpg US16.3mpg UK
Fuel consumption highway
9.6L/100 km24.5mpg US29.4mpg UK
9.4L/100 km25mpg US30.1mpg UK
Quarter mile
12.5s
Calculated
13.2s
Calculated
Power-to-weight
258hp/t193kW/t117hp/1000 lb
Calculated
230hp/t171kW/t104hp/1000 lb
Calculated
Torque-to-weight
258Nm/t173lb-ft/ton
Calculated
219Nm/t146lb-ft/ton
Calculated
Estimated range
593km368mi
Calculated
512km318mi
Calculated
Displacement
4,163cc254cu in
3,999cc244cu in
Length
4,431mm174in
4,615mm182in
Width
1,904mm75in
1,804mm71in
Height
1,244mm49in
1,392mm55in
Wheelbase
2,650mm104in
2,761mm109in
Front track
1,638mm64in
1,540mm61in
Rear track
1,595mm63in
1,539mm61in
Ground clearance
110mm4in
-
Trunk volume
100L
210L
Max trunk volume-
350L
Doors
2
2
Seats
2
4
Fuel tank
80L
63L
CO2 emissions
315g/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 V8BMW M3 Convertible (E93) 4.0 V8PowerTorque
  • AUDI R8 Spyder (42) 4.2 FSI V8: Power / Torque
  • BMW M3 Convertible (E93) 4.0 V8: 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
BMWM3 Convertible (E93)4.0 V88,300 rpm3,900 rpm8,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIR8 Spyder (42)4.2 FSI V8BMWM3 Convertible (E93)4.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
4.9 s
0-100 km/h
0-62 mph
4.5 s
5.1 s
0-200 km/h
0-124 mph
14.0 s
17.3 s
Top speed
300 km/h
186 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.5 s
5.8 s
1/8 mile
201 m
8.2 s
8.7 s
1000 ft
305 m
10.5 s
11.1 s
1/4 mile
402 m
12.5 s
13.2 s
Trap speed
1/4 mile
402 m
189 km/h
117 mph
177 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
BMWM3 Convertible (E93)4.0 V8
420 hp
313 kW

AUDI R8 Spyder (42) 4.2 FSI V8 has 10 hp more than BMW M3 Convertible (E93) 4.0 V8.

The biggest power difference is between BMW M3 Convertible (E93) 4.0 V8 and AUDI R8 Spyder (42) 4.2 FSI V8: 10 hp (7 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
BMWM3 Convertible (E93)4.0 V8
400 Nm
295 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
BMWM3 Convertible (E93)4.0 V8
1,830 kg
4,034 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
BMWM3 Convertible (E93)4.0 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
AUDIR8 Spyder (42)4.2 FSI V84.5 s
BMWM3 Convertible (E93)4.0 V85.1 s

The biggest 0-100 km/h difference is between AUDI R8 Spyder (42) 4.2 FSI V8 and BMW M3 Convertible (E93) 4.0 V8: 0.6 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
BMWM3 Convertible (E93)4.0 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

The biggest fuel consumption difference is between BMW M3 Convertible (E93) 4.0 V8 and AUDI R8 Spyder (42) 4.2 FSI V8: 1.2 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
BMWM3 Convertible (E93)4.0 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
AUDIR8 Spyder (42)4.2 FSI V8
593 km
368 mi
BMWM3 Convertible (E93)4.0 V8
512 km
318 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
BMWM3 Convertible (E93)4.0 V8
420 hp
313 kW
5.1 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
BMWM3 Convertible (E93)4.0 V8
Power
420 hp
313 kW
0-100 km/h5.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
210 L
7.4 cu ft
Length
4,615 mm
181.7 in
Height
1,392 mm
54.8 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 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
BMWM3 Convertible (E93)4.0 V8
Power
420 hp
313 kW
0-100 km/h5.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

AUDI R8 Spyder (42) 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 Spyder (42)4.2 FSI V8
13.5 L/100 km
17.4 mpg US
20.9 mpg UK
4.5 s
BMWM3 Convertible (E93)4.0 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
5.1 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
BMWM3 Convertible (E93)4.0 V8
230 hp/t
171 kW/t
4.4 kg/hp
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIR8 Spyder (42)4.2 FSI V8BMWM3 Convertible (E93)4.0 V8
Power
430 hp
321 kW
420 hp
313 kW
Torque
430 Nm
317 lb-ft
400 Nm
295 lb-ft
Acceleration
4.5 s
5.1 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
1,830 kg
4,034 lb
Fuel consumption
13.5 L/100 km
17.4 mpg US
20.9 mpg UK
12.3 L/100 km
19.1 mpg US
23.0 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
210 L
7.4 cu ft
Length
4,615 mm
181.7 in
Height
1,392 mm
54.8 in
Range score
593 km
368 mi
512 km
318 mi
CO2 score
315 g/km
-
Trunk score
100 L
3.5 cu ft
210 L
7.4 cu ft
Power-to-weight score
258 hp/t
193 kW/t
3.9 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 R8 Spyder (42) 4.2 FSI V8BMW M3 Convertible (E93) 4.0 V8
Consumption13.5 L/100 km17.4 mpg US20.9 mpg UK12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km23.63 LC100 km21.53 LC100 km
Cost / 100 mi38.02 LC100 mi34.64 LC100 mi
Annual fuel used2,025 L535 US gal445 UK gal1,845 L487 US gal406 UK gal
Annual fuel cost3,544 LC/year3,229 LC/year

Head-to-head comparisons

AUDI R8 Spyder (42) 4.2 FSI V8

  • Has 10 hp more
  • Has 30 Nm more
  • Is 165 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 40 km/h (25 mph) higher top speed
  • Has 29 hp/t better power-to-weight
  • Has 80 km (50 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

BMW M3 Convertible (E93) 4.0 V8

  • Uses 1.2 L/100 km less fuel
  • Has 110 L more trunk volume

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 Spyder (42) 4.2 FSI V8
BMW M3 Convertible (E93) 4.0 V8
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2 vehicles selected

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