Car comparison

Porsche 911 Cabriolet (997) · Facelift 2008 Turbo S 3.8vsAUDI R8 Spyder (42) 5.2 FSI V10

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

New comparison

Porsche 911 Cabriolet (997) · Facelift 2008

Turbo S 3.8

530 hp3800 ccGasolineAWDDual-clutchTwin-turboCabriolet / convertible2010-2011
VS

AUDI R8 Spyder (42)

5.2 FSI V10

525 hp5204 ccGasolineAWDManualNaturally aspiratedCabriolet / convertible2010-2012

Comparison overview

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

Best choices

Porsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8

  • Quickest 0-100 km/h
    3.4 s
  • Fastest top speed
    315 km/h
    196 mph
  • Most powerful
    530 hp
    395 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    1,660 kg
    3,660 lb
  • Best power-to-weight
    319 hp/t
    238 kW/t
    3.1 kg/hp
  • Lowest combined fuel consumption
    11.5 L/100 km
    20.5 mpg US
    24.6 mpg UK
  • Lowest city consumption
    16.7 L/100 km
    14.1 mpg US
    16.9 mpg UK
  • Lowest highway consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Best estimated range
    583 km
    362 mi
  • Largest trunk
    105 L
  • Best overall score
    78/100
  • Best performance score
    92/100
  • Best economy score
    76/100
  • Best practicality score
    47/100

Specification comparison

Specification comparison
ModelPorsche911 Cabriolet (997)Facelift 2008Turbo S 3.8AUDIR8 Spyder (42)5.2 FSI V10
Power
530hp395kW
525hp391kW
Torque
700Nm516lb-ft
530Nm391lb-ft
Curb weight
1,660kg3,660lb
1,720kg3,792lb
Gross weight
2,010kg4,431lb
2,020kg4,453lb
Top speed
315 km/h
196 mph
313 km/h
194 mph
To 99% top speed
74.1s99% target: 312 km/h / 194 mph
Calculated
64.5s99% target: 310 km/h / 193 mph
Calculated
0-100 km/h
3.4s
4.1s
0-200 km/h
11.3s
12.1s
Calculated
0-60 mph
3.2s
Calculated
3.9s
Calculated
Fuel consumption
11.5L/100 km20.5mpg US24.6mpg UK
14.9L/100 km15.8mpg US19.0mpg UK
Fuel consumption city
16.7L/100 km14.1mpg US16.9mpg UK
22.2L/100 km10.6mpg US12.7mpg UK
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
10.7L/100 km22mpg US26.4mpg UK
Quarter mile
11.3s
Calculated
11.9s
Calculated
Power-to-weight
319hp/t238kW/t145hp/1000 lb
Calculated
305hp/t228kW/t138hp/1000 lb
Calculated
Torque-to-weight
422Nm/t282lb-ft/ton
Calculated
308Nm/t206lb-ft/ton
Calculated
Estimated range
583km362mi
Calculated
537km334mi
Calculated
Displacement
3,800cc232cu in
5,204cc318cu in
Length
4,450mm175in
4,434mm175in
Width
1,852mm73in
1,904mm75in
Height
1,300mm51in
1,244mm49in
Wheelbase
2,350mm93in
2,650mm104in
Front track-
1,638mm64in
Rear track-
1,595mm63in
Trunk volume-
100L
Max trunk volume
105L
-
Doors
2
2
Seats
4
2
Fuel tank
67L
80L
CO2 emissions-
349g/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.

Porsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8AUDI R8 Spyder (42) 5.2 FSI V10PowerTorque
  • Porsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8: Power / Torque
  • AUDI R8 Spyder (42) 5.2 FSI V10: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.86,250-6,750 rpm2,100-4,250 rpm7,000 rpm
AUDIR8 Spyder (42)5.2 FSI V108,000 rpm6,500 rpm8,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 Cabriolet (997)Facelift 2008Turbo S 3.8AUDIR8 Spyder (42)5.2 FSI V10
Acceleration checkpoints
0-60 mph
0-97 km/h
3.2 s
3.9 s
0-100 km/h
0-62 mph
3.4 s
4.1 s
0-200 km/h
0-124 mph
11.3 s
12.1 s
Top speed
315 km/h
196 mph
313 km/h
194 mph
Drag race simulation
60 ft
18 m
1.8 s
2.1 s
330 ft
101 m
4.8 s
5.3 s
1/8 mile
201 m
7.4 s
7.9 s
1000 ft
305 m
9.5 s
10.1 s
1/4 mile
402 m
11.3 s
11.9 s
Trap speed
1/4 mile
402 m
200 km/h
124 mph
199 km/h
124 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
530 hp
395 kW
AUDIR8 Spyder (42)5.2 FSI V10
525 hp
391 kW

Porsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8 has 5 hp more than AUDI R8 Spyder (42) 5.2 FSI V10.

The biggest power difference is between AUDI R8 Spyder (42) 5.2 FSI V10 and Porsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8: 5 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
700 Nm
516 lb-ft
AUDIR8 Spyder (42)5.2 FSI V10
530 Nm
391 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
1,660 kg
3,660 lb
AUDIR8 Spyder (42)5.2 FSI V10
1,720 kg
3,792 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
315 km/h
196 mph
AUDIR8 Spyder (42)5.2 FSI V10
313 km/h
194 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.83.4 s
AUDIR8 Spyder (42)5.2 FSI V104.1 s

The biggest 0-100 km/h difference is between Porsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8 and AUDI R8 Spyder (42) 5.2 FSI V10: 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
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
AUDIR8 Spyder (42)5.2 FSI V10
14.9 L/100 km
15.8 mpg US
19.0 mpg UK

The biggest fuel consumption difference is between Porsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8 and AUDI R8 Spyder (42) 5.2 FSI V10: 3.4 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
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
319 hp/t
238 kW/t
3.1 kg/hp
AUDIR8 Spyder (42)5.2 FSI V10
305 hp/t
228 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
583 km
362 mi
AUDIR8 Spyder (42)5.2 FSI V10
537 km
334 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
530 hp
395 kW
3.4 s
315 km/h
196 mph
AUDIR8 Spyder (42)5.2 FSI V10
525 hp
391 kW
4.1 s
313 km/h
194 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
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
Power
530 hp
395 kW
0-100 km/h3.4 s
Top speed
315 km/h
196 mph
Doors/seats
2 doors
4 seats
Trunk
105 L
3.7 cu ft
Length
4,450 mm
175.2 in
Height
1,300 mm
51.2 in
AUDIR8 Spyder (42)5.2 FSI V10
Power
525 hp
391 kW
0-100 km/h4.1 s
Top speed
313 km/h
194 mph
Doors/seats
2 doors
2 seats
Trunk
100 L
3.5 cu ft
Length
4,434 mm
174.6 in
Height
1,244 mm
49.0 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
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
Power
530 hp
395 kW
0-100 km/h3.4 s
Top speed
315 km/h
196 mph
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
AUDIR8 Spyder (42)5.2 FSI V10
Power
525 hp
391 kW
0-100 km/h4.1 s
Top speed
313 km/h
194 mph
14.9 L/100 km
15.8 mpg US
19.0 mpg UK

Porsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8 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
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
3.4 s
AUDIR8 Spyder (42)5.2 FSI V10
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
4.1 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
Porsche911 Cabriolet (997)Facelift 2008Turbo S 3.8
319 hp/t
238 kW/t
3.1 kg/hp
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
AUDIR8 Spyder (42)5.2 FSI V10
305 hp/t
228 kW/t
3.3 kg/hp
14.9 L/100 km
15.8 mpg US
19.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 Cabriolet (997)Facelift 2008Turbo S 3.8AUDIR8 Spyder (42)5.2 FSI V10
Power
530 hp
395 kW
525 hp
391 kW
Torque
700 Nm
516 lb-ft
530 Nm
391 lb-ft
Acceleration
3.4 s
4.1 s
Top speed
315 km/h
196 mph
313 km/h
194 mph
Lightness
1,660 kg
3,660 lb
1,720 kg
3,792 lb
Fuel consumption
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
105 L
3.7 cu ft
Length
4,450 mm
175.2 in
Height
1,300 mm
51.2 in
Doors/seats
2 doors
2 seats
Trunk
100 L
3.5 cu ft
Length
4,434 mm
174.6 in
Height
1,244 mm
49.0 in
Range score
583 km
362 mi
537 km
334 mi
CO2 score
-
349 g/km
Trunk score
105 L
3.7 cu ft
100 L
3.5 cu ft
Power-to-weight score
319 hp/t
238 kW/t
3.1 kg/hp
305 hp/t
228 kW/t
3.3 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
VehiclePorsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8AUDI R8 Spyder (42) 5.2 FSI V10
Consumption11.5 L/100 km20.5 mpg US24.6 mpg UK14.9 L/100 km15.8 mpg US19 mpg UK
Cost / 100 km20.13 LC100 km26.08 LC100 km
Cost / 100 mi32.39 LC100 mi41.96 LC100 mi
Annual fuel used1,725 L456 US gal379 UK gal2,235 L590 US gal492 UK gal
Annual fuel cost3,019 LC/year3,911 LC/year

Head-to-head comparisons

Porsche 911 Cabriolet (997) Facelift 2008 Turbo S 3.8

  • Has 5 hp more
  • Has 170 Nm more
  • Is 60 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Uses 3.4 L/100 km less fuel
  • Has 14 hp/t better power-to-weight
  • Has 46 km (28 mi) more estimated range
  • Has 5 L more trunk volume

Pros

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

AUDI R8 Spyder (42) 5.2 FSI V10

No measurable advantages in the available data.

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 Cabriolet (997) Turbo S 3.8
AUDI R8 Spyder (42) 5.2 FSI V10
Compare selected cars
2 vehicles selected

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