Car comparison

Porsche 911 Cabriolet (991) Carrera 4 GTS 3.8vsPorsche 911 Targa (997) · Facelift 2008 Targa 4S 3.8

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

New comparison

Porsche 911 Cabriolet (991)

Carrera 4 GTS 3.8

430 hp3800 ccGasolineAWDDual-clutchNaturally aspiratedCabriolet / convertible2014-2015
VS

Porsche 911 Targa (997) · Facelift 2008

Targa 4S 3.8

385 hp3800 ccGasolineAWDDual-clutchNaturally aspirated2008-2013

Comparison overview

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

Best choices

Porsche 911 Cabriolet (991) Carrera 4 GTS 3.8

  • Quickest 0-100 km/h
    4.2 s
  • Fastest top speed
    301 km/h
    187 mph
  • Most powerful
    430 hp
    321 kW
  • Highest torque
    440 Nm
    325 lb-ft
  • Lightest
    1,560 kg
    3,439 lb
  • Best power-to-weight
    276 hp/t
    206 kW/t
    3.6 kg/hp
  • Lowest combined fuel consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest city consumption
    12.5 L/100 km
    18.8 mpg US
    22.6 mpg UK
  • Lowest highway consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Lowest CO2 emissions
    214 g/km
  • Best estimated range
    739 km
    459 mi
  • Largest trunk
    285 L
  • Best performance score
    80/100
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelPorsche911 Cabriolet (991)Carrera 4 GTS 3.8Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
Power
430hp321kW
385hp287kW
Torque
440Nm325lb-ft
420Nm310lb-ft
Curb weight
1,560kg3,439lb
1,570kg3,461lb
Gross weight
1,955kg4,310lb
1,950kg4,299lb
Top speed
301 km/h
187 mph
295 km/h
183 mph
To 99% top speed
59.4s99% target: 298 km/h / 185 mph
Calculated
65.6s99% target: 292 km/h / 181 mph
Calculated
0-100 km/h
4.2s
4.7s
0-200 km/h
12.4s
Calculated
14.2s
Calculated
0-60 mph
4.0s
Calculated
4.5s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption city
12.5L/100 km18.8mpg US22.6mpg UK
15.8L/100 km14.9mpg US17.9mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
7.7L/100 km30.5mpg US36.7mpg UK
Quarter mile
12.1s
Calculated
12.6s
Calculated
Power-to-weight
276hp/t206kW/t125hp/1000 lb
Calculated
245hp/t183kW/t111hp/1000 lb
Calculated
Torque-to-weight
282Nm/t189lb-ft/ton
Calculated
268Nm/t179lb-ft/ton
Calculated
Estimated range
739km459mi
Calculated
626km389mi
Calculated
Displacement
3,800cc232cu in
3,800cc232cu in
Length
4,509mm178in
4,435mm175in
Width
1,852mm73in
1,852mm73in
Height
1,294mm51in
1,300mm51in
Wheelbase
2,450mm96in
2,350mm93in
Front track
1,538mm61in
-
Rear track
1,560mm61in
-
Trunk volume
285L
-
Max trunk volume-
105L
Doors
2
2
Seats
4
4
Fuel tank
68L
67L
CO2 emissions
214g/km
251g/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 (991) Carrera 4 GTS 3.8Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8PowerTorque
  • Porsche 911 Cabriolet (991) Carrera 4 GTS 3.8: Power / Torque
  • Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 Cabriolet (991)Carrera 4 GTS 3.87,500 rpm5,750 rpm7,750 rpm
Porsche911 Targa (997)Facelift 2008Targa 4S 3.86,500 rpm4,200 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 Cabriolet (991)Carrera 4 GTS 3.8Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.0 s
4.5 s
0-100 km/h
0-62 mph
4.2 s
4.7 s
0-200 km/h
0-124 mph
12.4 s
14.2 s
Top speed
301 km/h
187 mph
295 km/h
183 mph
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.4 s
5.6 s
1/8 mile
201 m
8.0 s
8.4 s
1000 ft
305 m
10.2 s
10.7 s
1/4 mile
402 m
12.1 s
12.6 s
Trap speed
1/4 mile
402 m
197 km/h
123 mph
189 km/h
117 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera 4 GTS 3.8
430 hp
321 kW
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
385 hp
287 kW

Porsche 911 Cabriolet (991) Carrera 4 GTS 3.8 has 45 hp more than Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8.

The biggest power difference is between Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8 and Porsche 911 Cabriolet (991) Carrera 4 GTS 3.8: 45 hp (34 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera 4 GTS 3.8
440 Nm
325 lb-ft
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
420 Nm
310 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera 4 GTS 3.8
1,560 kg
3,439 lb
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
1,570 kg
3,461 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 (991)Carrera 4 GTS 3.8
301 km/h
187 mph
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
295 km/h
183 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera 4 GTS 3.84.2 s
Porsche911 Targa (997)Facelift 2008Targa 4S 3.84.7 s

The biggest 0-100 km/h difference is between Porsche 911 Cabriolet (991) Carrera 4 GTS 3.8 and Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8: 0.5 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 (991)Carrera 4 GTS 3.8
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

The biggest fuel consumption difference is between Porsche 911 Cabriolet (991) Carrera 4 GTS 3.8 and Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8: 1.5 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 (991)Carrera 4 GTS 3.8
276 hp/t
206 kW/t
3.6 kg/hp
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
245 hp/t
183 kW/t
4.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera 4 GTS 3.8
739 km
459 mi
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
626 km
389 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 Cabriolet (991)Carrera 4 GTS 3.8
430 hp
321 kW
4.2 s
301 km/h
187 mph
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
385 hp
287 kW
4.7 s
295 km/h
183 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 (991)Carrera 4 GTS 3.8
Power
430 hp
321 kW
0-100 km/h4.2 s
Top speed
301 km/h
187 mph
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,509 mm
177.5 in
Height
1,294 mm
50.9 in
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
Power
385 hp
287 kW
0-100 km/h4.7 s
Top speed
295 km/h
183 mph
Doors/seats
2 doors
4 seats
Trunk
105 L
3.7 cu ft
Length
4,435 mm
174.6 in
Height
1,300 mm
51.2 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 (991)Carrera 4 GTS 3.8
Power
430 hp
321 kW
0-100 km/h4.2 s
Top speed
301 km/h
187 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
Power
385 hp
287 kW
0-100 km/h4.7 s
Top speed
295 km/h
183 mph
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Porsche 911 Cabriolet (991) Carrera 4 GTS 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 (991)Carrera 4 GTS 3.8
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.2 s
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
4.7 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 (991)Carrera 4 GTS 3.8
276 hp/t
206 kW/t
3.6 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
245 hp/t
183 kW/t
4.1 kg/hp
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 Cabriolet (991)Carrera 4 GTS 3.8Porsche911 Targa (997)Facelift 2008Targa 4S 3.8
Power
430 hp
321 kW
385 hp
287 kW
Torque
440 Nm
325 lb-ft
420 Nm
310 lb-ft
Acceleration
4.2 s
4.7 s
Top speed
301 km/h
187 mph
295 km/h
183 mph
Lightness
1,560 kg
3,439 lb
1,570 kg
3,461 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,509 mm
177.5 in
Height
1,294 mm
50.9 in
Doors/seats
2 doors
4 seats
Trunk
105 L
3.7 cu ft
Length
4,435 mm
174.6 in
Height
1,300 mm
51.2 in
Range score
739 km
459 mi
626 km
389 mi
CO2 score
214 g/km
251 g/km
Trunk score
285 L
10.1 cu ft
105 L
3.7 cu ft
Power-to-weight score
276 hp/t
206 kW/t
3.6 kg/hp
245 hp/t
183 kW/t
4.1 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 (991) Carrera 4 GTS 3.8Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK10.7 L/100 km22 mpg US26.4 mpg UK
Cost / 100 km16.10 LC100 km18.72 LC100 km
Cost / 100 mi25.91 LC100 mi30.13 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal1,605 L424 US gal353 UK gal
Annual fuel cost2,415 LC/year2,809 LC/year

Head-to-head comparisons

Porsche 911 Cabriolet (991) Carrera 4 GTS 3.8

  • Has 45 hp more
  • Has 20 Nm more
  • Is 10 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 6 km/h (4 mph) higher top speed
  • Uses 1.5 L/100 km less fuel
  • Has 30 hp/t better power-to-weight
  • Has 113 km (70 mi) more estimated range
  • Has 180 L more trunk volume
  • Emits 37 g/km less CO2

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 Cabriolet (991) Carrera 4 GTS 3.8
Porsche 911 Targa (997) Targa 4S 3.8
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