Car comparison

Porsche 911 Cabriolet (997) · Facelift 2008 Turbo 3.8vsPorsche 911 Targa (992) · Facelift 2024 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 Targa (992) · Facelift 2024

4S 3.0

480 hp2981 ccGasolineAWDDual-clutchTwin-turbo2025-present

Comparison overview

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

Best choices

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
  • Lightest
    1,670 kg
    3,682 lb
  • 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 Targa (992)Facelift 20244S 3.0
Power
500hp373kW
480hp358kW
Torque
650Nm479lb-ft
530Nm391lb-ft
Curb weight
1,670kg3,682lb
1,695kg3,737lb
Gross weight
2,020kg4,453lb
2,085kg4,597lb
Top speed
312 km/h
194 mph
308 km/h
191 mph
To 99% top speed
54.9s99% target: 309 km/h / 192 mph
Calculated
85.2s99% target: 305 km/h / 189 mph
Calculated
0-100 km/h
3.7s
3.5s
0-200 km/h
10.7s
Calculated
12.5s
0-60 mph
3.5s
Calculated
3.3s
Calculated
Fuel consumption
11.5L/100 km20.5mpg US24.6mpg UK
11L/100 km21.4mpg US25.7mpg UK
Fuel consumption city
16.7L/100 km14.1mpg US16.9mpg UK
-
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
-
Quarter mile
11.4s
Calculated
11.6s
Calculated
Power-to-weight
299hp/t223kW/t136hp/1000 lb
Calculated
283hp/t211kW/t128hp/1000 lb
Calculated
Torque-to-weight
389Nm/t260lb-ft/ton
Calculated
313Nm/t209lb-ft/ton
Calculated
Estimated range
583km362mi
Calculated
-
Displacement
3,800cc232cu in
2,981cc182cu in
Length
4,450mm175in
4,542mm179in
Width
1,852mm73in
1,852mm73in
Height
1,300mm51in
1,302mm51in
Wheelbase
2,350mm93in
2,450mm96in
Ground clearance-
124mm5in
Trunk volume-
163L
Max trunk volume
105L
-
Doors
2
2
Seats
4
4
Fuel tank
67L
-
CO2 emissions
270g/km
-

Performance charts

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

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 Cabriolet (997)Facelift 2008Turbo 3.8Porsche911 Targa (992)Facelift 20244S 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
3.3 s
0-100 km/h
0-62 mph
3.7 s
3.5 s
0-200 km/h
0-124 mph
10.7 s
12.5 s
Top speed
312 km/h
194 mph
308 km/h
191 mph
Drag race simulation
60 ft
18 m
2.0 s
1.8 s
330 ft
101 m
5.1 s
4.9 s
1/8 mile
201 m
7.6 s
7.5 s
1000 ft
305 m
9.7 s
9.7 s
1/4 mile
402 m
11.4 s
11.6 s
Trap speed
1/4 mile
402 m
207 km/h
129 mph
193 km/h
120 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 Targa (992)Facelift 20244S 3.0
480 hp
358 kW

Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8 has 20 hp more than Porsche 911 Targa (992) Facelift 2024 4S 3.0.

The biggest power difference is between Porsche 911 Targa (992) Facelift 2024 4S 3.0 and Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8: 20 hp (15 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 Targa (992)Facelift 20244S 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 Targa (992)Facelift 20244S 3.0
1,695 kg
3,737 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 Targa (992)Facelift 20244S 3.0
308 km/h
191 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 Targa (992)Facelift 20244S 3.03.5 s

Although Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8 has more power, Porsche 911 Targa (992) Facelift 2024 4S 3.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 Targa (992) Facelift 2024 4S 3.0 and Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8: 0.2 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 Targa (992)Facelift 20244S 3.0
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

The biggest fuel consumption difference is between Porsche 911 Targa (992) Facelift 2024 4S 3.0 and Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8: 0.5 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 Targa (992)Facelift 20244S 3.0
283 hp/t
211 kW/t
3.5 kg/hp

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 Targa (992)Facelift 20244S 3.0
480 hp
358 kW
3.5 s
308 km/h
191 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 Targa (992)Facelift 20244S 3.0
Power
480 hp
358 kW
0-100 km/h3.5 s
Top speed
308 km/h
191 mph
Doors/seats
2 doors
4 seats
Trunk
163 L
5.8 cu ft
Length
4,542 mm
178.8 in
Height
1,302 mm
51.3 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
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 Targa (992)Facelift 20244S 3.0
Power
480 hp
358 kW
0-100 km/h3.5 s
Top speed
308 km/h
191 mph
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

Porsche 911 Cabriolet (997) Facelift 2008 Turbo 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 3.8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
3.7 s
Porsche911 Targa (992)Facelift 20244S 3.0
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
3.5 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 Targa (992)Facelift 20244S 3.0
283 hp/t
211 kW/t
3.5 kg/hp
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 Cabriolet (997)Facelift 2008Turbo 3.8Porsche911 Targa (992)Facelift 20244S 3.0
Power
500 hp
373 kW
480 hp
358 kW
Torque
650 Nm
479 lb-ft
530 Nm
391 lb-ft
Acceleration
3.7 s
3.5 s
Top speed
312 km/h
194 mph
308 km/h
191 mph
Lightness
1,670 kg
3,682 lb
1,695 kg
3,737 lb
Fuel consumption
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
11.0 L/100 km
21.4 mpg US
25.7 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
163 L
5.8 cu ft
Length
4,542 mm
178.8 in
Height
1,302 mm
51.3 in
Range score
583 km
362 mi
-
CO2 score
270 g/km
-
Trunk score
105 L
3.7 cu ft
163 L
5.8 cu ft
Power-to-weight score
299 hp/t
223 kW/t
3.3 kg/hp
283 hp/t
211 kW/t
3.5 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 Targa (992) Facelift 2024 4S 3.0
Consumption11.5 L/100 km20.5 mpg US24.6 mpg UK11 L/100 km21.4 mpg US25.7 mpg UK
Cost / 100 km20.13 LC100 km19.25 LC100 km
Cost / 100 mi32.39 LC100 mi30.98 LC100 mi
Annual fuel used1,725 L456 US gal379 UK gal1,650 L436 US gal363 UK gal
Annual fuel cost3,019 LC/year2,888 LC/year

Head-to-head comparisons

Porsche 911 Cabriolet (997) Facelift 2008 Turbo 3.8

  • Has 20 hp more
  • Has 120 Nm more
  • Is 25 kg lighter
  • Has 4 km/h (2 mph) higher top speed
  • Has 16 hp/t better power-to-weight

Pros

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

Cons

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

Porsche 911 Targa (992) Facelift 2024 4S 3.0

  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.5 L/100 km less fuel
  • Has 58 L more trunk volume

Pros

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

Cons

  • Lowest power
  • Heaviest
  • Lowest top speed

Choose cars to compare

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

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