Car comparison

Porsche 911 Cabriolet (991) Carrera S 3.8vsPorsche 911 Targa (991) 4S 3.8

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

New comparison

Porsche 911 Cabriolet (991)

Carrera S 3.8

400 hp3800 ccGasolineRWDDual-clutchNaturally aspiratedCabriolet / convertible2011-2015
VS

Porsche 911 Targa (991)

4S 3.8

400 hp3800 ccGasolineAWDManualNaturally aspirated2014-2015

Comparison overview

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

Best choices

Porsche 911 Cabriolet (991) Carrera S 3.8

  • Quickest 0-100 km/h
    4.3 s
  • Fastest top speed
    299 km/h
    186 mph
  • Most powerful
    400 hp
    298 kW
  • Highest torque
    440 Nm
    325 lb-ft
  • Lightest
    1,505 kg
    3,318 lb
  • Best power-to-weight
    266 hp/t
    198 kW/t
    3.8 kg/hp
  • Lowest combined fuel consumption
    8.9 L/100 km
    26.4 mpg US
    31.7 mpg UK
  • Lowest city consumption
    12.2 L/100 km
    19.3 mpg US
    23.2 mpg UK
  • Lowest highway consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest CO2 emissions
    207 g/km
  • Best estimated range
    719 km
    447 mi
  • Largest trunk
    290 L
  • Best performance score
    79/100
  • Best economy score
    83/100

Specification comparison

Specification comparison
ModelPorsche911 Cabriolet (991)Carrera S 3.8Porsche911 Targa (991)4S 3.8
Power
400hp298kW
400hp298kW
Torque
440Nm325lb-ft
440Nm325lb-ft
Curb weight
1,505kg3,318lb
1,555kg3,428lb
Gross weight
1,905kg4,200lb
1,960kg4,321lb
Top speed
299 km/h
186 mph
296 km/h
184 mph
To 99% top speed
60.4s99% target: 296 km/h / 184 mph
Calculated
64.9s99% target: 293 km/h / 182 mph
Calculated
0-100 km/h
4.3s
4.8s
0-200 km/h
12.8s
Calculated
14.2s
Calculated
0-60 mph
4.1s
Calculated
4.6s
Calculated
Fuel consumption
8.9L/100 km26.4mpg US31.7mpg UK
10L/100 km23.5mpg US28.2mpg UK
Fuel consumption city
12.2L/100 km19.3mpg US23.2mpg UK
13.9L/100 km16.9mpg US20.3mpg UK
Fuel consumption highway
6.9L/100 km34.1mpg US40.9mpg UK
7.7L/100 km30.5mpg US36.7mpg UK
Quarter mile
12.2s
Calculated
12.7s
Calculated
Power-to-weight
266hp/t198kW/t121hp/1000 lb
Calculated
257hp/t192kW/t117hp/1000 lb
Calculated
Torque-to-weight
292Nm/t196lb-ft/ton
Calculated
283Nm/t189lb-ft/ton
Calculated
Estimated range
719km447mi
Calculated
680km423mi
Calculated
Displacement
3,800cc232cu in
3,800cc232cu in
Length
4,491mm177in
4,491mm177in
Width
1,808mm71in
1,852mm73in
Height
1,292mm51in
1,291mm51in
Wheelbase
2,450mm96in
2,450mm96in
Front track
1,538mm61in
1,538mm61in
Rear track
1,516mm60in
1,552mm61in
Trunk volume
290L
285L
Doors
2
2
Seats
4
4
Fuel tank
64L
68L
CO2 emissions
207g/km
237g/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 S 3.8Porsche 911 Targa (991) 4S 3.8PowerTorque
  • Porsche 911 Cabriolet (991) Carrera S 3.8: Power / Torque
  • Porsche 911 Targa (991) 4S 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 Cabriolet (991)Carrera S 3.87,400 rpm5,600 rpm7,650 rpm
Porsche911 Targa (991)4S 3.87,400 rpm5,600 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 Cabriolet (991)Carrera S 3.8Porsche911 Targa (991)4S 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.1 s
4.6 s
0-100 km/h
0-62 mph
4.3 s
4.8 s
0-200 km/h
0-124 mph
12.8 s
14.2 s
Top speed
299 km/h
186 mph
296 km/h
184 mph
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.4 s
5.7 s
1/8 mile
201 m
8.1 s
8.4 s
1000 ft
305 m
10.3 s
10.8 s
1/4 mile
402 m
12.2 s
12.7 s
Trap speed
1/4 mile
402 m
195 km/h
121 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 S 3.8
400 hp
298 kW
Porsche911 Targa (991)4S 3.8
400 hp
298 kW

Torque comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera S 3.8
440 Nm
325 lb-ft
Porsche911 Targa (991)4S 3.8
440 Nm
325 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera S 3.8
1,505 kg
3,318 lb
Porsche911 Targa (991)4S 3.8
1,555 kg
3,428 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 S 3.8
299 km/h
186 mph
Porsche911 Targa (991)4S 3.8
296 km/h
184 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 S 3.84.3 s
Porsche911 Targa (991)4S 3.84.8 s

The biggest 0-100 km/h difference is between Porsche 911 Cabriolet (991) Carrera S 3.8 and Porsche 911 Targa (991) 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 S 3.8
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Porsche911 Targa (991)4S 3.8
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

The biggest fuel consumption difference is between Porsche 911 Cabriolet (991) Carrera S 3.8 and Porsche 911 Targa (991) 4S 3.8: 1.1 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 S 3.8
266 hp/t
198 kW/t
3.8 kg/hp
Porsche911 Targa (991)4S 3.8
257 hp/t
192 kW/t
3.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera S 3.8
719 km
447 mi
Porsche911 Targa (991)4S 3.8
680 km
423 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 Cabriolet (991)Carrera S 3.8
400 hp
298 kW
4.3 s
299 km/h
186 mph
Porsche911 Targa (991)4S 3.8
400 hp
298 kW
4.8 s
296 km/h
184 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 S 3.8
Power
400 hp
298 kW
0-100 km/h4.3 s
Top speed
299 km/h
186 mph
Doors/seats
2 doors
4 seats
Trunk
290 L
10.2 cu ft
Length
4,491 mm
176.8 in
Height
1,292 mm
50.9 in
Porsche911 Targa (991)4S 3.8
Power
400 hp
298 kW
0-100 km/h4.8 s
Top speed
296 km/h
184 mph
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,491 mm
176.8 in
Height
1,291 mm
50.8 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
Porsche911 Cabriolet (991)Carrera S 3.8
Power
400 hp
298 kW
0-100 km/h4.3 s
Top speed
299 km/h
186 mph
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Porsche911 Targa (991)4S 3.8
Power
400 hp
298 kW
0-100 km/h4.8 s
Top speed
296 km/h
184 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Porsche 911 Cabriolet (991) Carrera 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 (991)Carrera S 3.8
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
4.3 s
Porsche911 Targa (991)4S 3.8
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
4.8 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 S 3.8
266 hp/t
198 kW/t
3.8 kg/hp
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Porsche911 Targa (991)4S 3.8
257 hp/t
192 kW/t
3.9 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 Cabriolet (991)Carrera S 3.8Porsche911 Targa (991)4S 3.8
Power
400 hp
298 kW
400 hp
298 kW
Torque
440 Nm
325 lb-ft
440 Nm
325 lb-ft
Acceleration
4.3 s
4.8 s
Top speed
299 km/h
186 mph
296 km/h
184 mph
Lightness
1,505 kg
3,318 lb
1,555 kg
3,428 lb
Fuel consumption
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
290 L
10.2 cu ft
Length
4,491 mm
176.8 in
Height
1,292 mm
50.9 in
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,491 mm
176.8 in
Height
1,291 mm
50.8 in
Range score
719 km
447 mi
680 km
423 mi
CO2 score
207 g/km
237 g/km
Trunk score
290 L
10.2 cu ft
285 L
10.1 cu ft
Power-to-weight score
266 hp/t
198 kW/t
3.8 kg/hp
257 hp/t
192 kW/t
3.9 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 S 3.8Porsche 911 Targa (991) 4S 3.8
Consumption8.9 L/100 km26.4 mpg US31.7 mpg UK10 L/100 km23.5 mpg US28.2 mpg UK
Cost / 100 km15.58 LC100 km17.50 LC100 km
Cost / 100 mi25.07 LC100 mi28.16 LC100 mi
Annual fuel used1,335 L353 US gal294 UK gal1,500 L396 US gal330 UK gal
Annual fuel cost2,336 LC/year2,625 LC/year

Head-to-head comparisons

Porsche 911 Cabriolet (991) Carrera S 3.8

  • Is 50 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 3 km/h (2 mph) higher top speed
  • Uses 1.1 L/100 km less fuel
  • Has 9 hp/t better power-to-weight
  • Has 39 km (24 mi) more estimated range
  • Has 5 L more trunk volume
  • Emits 30 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

Porsche 911 Targa (991) 4S 3.8

No measurable advantages in the available data.

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 Cabriolet (991) Carrera S 3.8
Porsche 911 Targa (991) 4S 3.8
Compare selected cars
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Porsche 911 Cabriolet (991) Carrera S 3.8 vs Porsche 911 Targa (991) 4S 3.8 - car comparison - FastVsFaster