Car comparison

Porsche 911 Cabriolet (997) · Facelift 2008 Turbo 3.8vsPorsche 911 Cabriolet (992) Carrera 4S 3.0

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

New comparison

Porsche 911 Cabriolet (997) · Facelift 2008

Turbo 3.8

500 hp3800 ccGasolineAWDDual-clutchTurbochargedCabriolet / convertible2009-2011
VS

Porsche 911 Cabriolet (992)

Carrera 4S 3.0

450 hp2981 ccGasolineAWDDual-clutchTwin-turboCabriolet / convertible2019-2024

Comparison overview

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

Best choices

Porsche 911 Cabriolet (992) Carrera 4S 3.0

  • Quickest 0-100 km/h
    3.6 s
  • Lightest
    1,635 kg
    3,605 lb
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    11.1 L/100 km
    21.2 mpg US
    25.4 mpg UK
  • Lowest highway consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest CO2 emissions
    207 g/km
  • Best estimated range
    744 km
    463 mi
  • Largest trunk
    132 L
  • Best economy score
    83/100

Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8

  • Fastest top speed
    312 km/h
    194 mph
  • Most powerful
    500 hp
    373 kW
  • Highest torque
    650 Nm
    479 lb-ft
  • Best power-to-weight
    299 hp/t
    223 kW/t
    3.3 kg/hp
  • Best overall score
    76/100
  • Best performance score
    90/100
  • Best practicality score
    47/100

Specification comparison

Specification comparison
ModelPorsche911 Cabriolet (997)Facelift 2008Turbo 3.8Porsche911 Cabriolet (992)Carrera 4S 3.0
Power
500hp373kW
450hp336kW
Torque
650Nm479lb-ft
530Nm391lb-ft
Curb weight
1,670kg3,682lb
1,635kg3,605lb
Gross weight
2,020kg4,453lb
2,065kg4,553lb
Top speed
312 km/h
194 mph
304 km/h
189 mph
To 99% top speed
54.9s99% target: 309 km/h / 192 mph
Calculated
52.7s99% target: 301 km/h / 187 mph
Calculated
0-100 km/h
3.7s
3.6s
0-200 km/h
10.7s
Calculated
10.7s
Calculated
0-60 mph
3.5s
Calculated
3.4s
Calculated
Fuel consumption
11.5L/100 km20.5mpg US24.6mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city
16.7L/100 km14.1mpg US16.9mpg UK
11.1L/100 km21.2mpg US25.4mpg UK
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
11.4s
Calculated
11.4s
Calculated
Power-to-weight
299hp/t223kW/t136hp/1000 lb
Calculated
275hp/t205kW/t125hp/1000 lb
Calculated
Torque-to-weight
389Nm/t260lb-ft/ton
Calculated
324Nm/t217lb-ft/ton
Calculated
Estimated range
583km362mi
Calculated
744km463mi
Calculated
Displacement
3,800cc232cu in
2,981cc182cu in
Length
4,450mm175in
4,519mm178in
Width
1,852mm73in
1,852mm73in
Height
1,300mm51in
1,299mm51in
Wheelbase
2,350mm93in
2,450mm96in
Front track-
1,589mm63in
Rear track-
1,557mm61in
Trunk volume-
132L
Max trunk volume
105L
163L
Doors
2
2
Seats
4
4
Fuel tank
67L
67L
CO2 emissions
270g/km
207g/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 3.8Porsche 911 Cabriolet (992) Carrera 4S 3.0PowerTorque
  • Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8: Power / Torque
  • Porsche 911 Cabriolet (992) Carrera 4S 3.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 Cabriolet (997)Facelift 2008Turbo 3.86,000-6,500 rpm1,950-5,000 rpm6,750 rpm
Porsche911 Cabriolet (992)Carrera 4S 3.06,500 rpm2,300-5,000 rpm7,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 Cabriolet (997)Facelift 2008Turbo 3.8Porsche911 Cabriolet (992)Carrera 4S 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
3.4 s
0-100 km/h
0-62 mph
3.7 s
3.6 s
0-200 km/h
0-124 mph
10.7 s
10.7 s
Top speed
312 km/h
194 mph
304 km/h
189 mph
Drag race simulation
60 ft
18 m
2.0 s
1.9 s
330 ft
101 m
5.1 s
5.0 s
1/8 mile
201 m
7.6 s
7.5 s
1000 ft
305 m
9.7 s
9.6 s
1/4 mile
402 m
11.4 s
11.4 s
Trap speed
1/4 mile
402 m
207 km/h
129 mph
207 km/h
128 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Facelift 2008Turbo 3.8
500 hp
373 kW
Porsche911 Cabriolet (992)Carrera 4S 3.0
450 hp
336 kW

Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8 has 50 hp more than Porsche 911 Cabriolet (992) Carrera 4S 3.0.

The biggest power difference is between Porsche 911 Cabriolet (992) Carrera 4S 3.0 and Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8: 50 hp (37 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (997)Facelift 2008Turbo 3.8
650 Nm
479 lb-ft
Porsche911 Cabriolet (992)Carrera 4S 3.0
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 3.8
1,670 kg
3,682 lb
Porsche911 Cabriolet (992)Carrera 4S 3.0
1,635 kg
3,605 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 3.8
312 km/h
194 mph
Porsche911 Cabriolet (992)Carrera 4S 3.0
304 km/h
189 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 3.83.7 s
Porsche911 Cabriolet (992)Carrera 4S 3.03.6 s

Although Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8 has more power, Porsche 911 Cabriolet (992) Carrera 4S 3.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 Cabriolet (992) Carrera 4S 3.0 and Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8: 0.1 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 3.8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Porsche911 Cabriolet (992)Carrera 4S 3.0
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

The biggest fuel consumption difference is between Porsche 911 Cabriolet (992) Carrera 4S 3.0 and Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8: 2.5 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 3.8
299 hp/t
223 kW/t
3.3 kg/hp
Porsche911 Cabriolet (992)Carrera 4S 3.0
275 hp/t
205 kW/t
3.6 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 3.8
583 km
362 mi
Porsche911 Cabriolet (992)Carrera 4S 3.0
744 km
463 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 Cabriolet (997)Facelift 2008Turbo 3.8
500 hp
373 kW
3.7 s
312 km/h
194 mph
Porsche911 Cabriolet (992)Carrera 4S 3.0
450 hp
336 kW
3.6 s
304 km/h
189 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 3.8
Power
500 hp
373 kW
0-100 km/h3.7 s
Top speed
312 km/h
194 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
Porsche911 Cabriolet (992)Carrera 4S 3.0
Power
450 hp
336 kW
0-100 km/h3.6 s
Top speed
304 km/h
189 mph
Doors/seats
2 doors
4 seats
Trunk
132 L
4.7 cu ft
Length
4,519 mm
177.9 in
Height
1,299 mm
51.1 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 3.8
Power
500 hp
373 kW
0-100 km/h3.7 s
Top speed
312 km/h
194 mph
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Porsche911 Cabriolet (992)Carrera 4S 3.0
Power
450 hp
336 kW
0-100 km/h3.6 s
Top speed
304 km/h
189 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Porsche 911 Cabriolet (992) Carrera 4S 3.0 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 3.8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
3.7 s
Porsche911 Cabriolet (992)Carrera 4S 3.0
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
3.6 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
Porsche911 Cabriolet (997)Facelift 2008Turbo 3.8
299 hp/t
223 kW/t
3.3 kg/hp
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Porsche911 Cabriolet (992)Carrera 4S 3.0
275 hp/t
205 kW/t
3.6 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 Cabriolet (997)Facelift 2008Turbo 3.8Porsche911 Cabriolet (992)Carrera 4S 3.0
Power
500 hp
373 kW
450 hp
336 kW
Torque
650 Nm
479 lb-ft
530 Nm
391 lb-ft
Acceleration
3.7 s
3.6 s
Top speed
312 km/h
194 mph
304 km/h
189 mph
Lightness
1,670 kg
3,682 lb
1,635 kg
3,605 lb
Fuel consumption
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
9.0 L/100 km
26.1 mpg US
31.4 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
4 seats
Trunk
132 L
4.7 cu ft
Length
4,519 mm
177.9 in
Height
1,299 mm
51.1 in
Range score
583 km
362 mi
744 km
463 mi
CO2 score
270 g/km
207 g/km
Trunk score
105 L
3.7 cu ft
132 L
4.7 cu ft
Power-to-weight score
299 hp/t
223 kW/t
3.3 kg/hp
275 hp/t
205 kW/t
3.6 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 3.8Porsche 911 Cabriolet (992) Carrera 4S 3.0
Consumption11.5 L/100 km20.5 mpg US24.6 mpg UK9 L/100 km26.1 mpg US31.4 mpg UK
Cost / 100 km20.13 LC100 km15.75 LC100 km
Cost / 100 mi32.39 LC100 mi25.35 LC100 mi
Annual fuel used1,725 L456 US gal379 UK gal1,350 L357 US gal297 UK gal
Annual fuel cost3,019 LC/year2,363 LC/year

Head-to-head comparisons

Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8

  • Has 50 hp more
  • Has 120 Nm more
  • Has 8 km/h (5 mph) higher top speed
  • Has 24 hp/t better power-to-weight

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

Porsche 911 Cabriolet (992) Carrera 4S 3.0

  • Is 35 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 2.5 L/100 km less fuel
  • Has 162 km (101 mi) more estimated range
  • Has 27 L more trunk volume
  • Emits 63 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 Cabriolet (997) Turbo 3.8
Porsche 911 Cabriolet (992) Carrera 4S 3.0
Compare selected cars
2 vehicles selected

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