Car comparison

Porsche 911 Cabriolet (991) Carrera 3.4vsPorsche 911 (991) Carrera 4 3.4

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

New comparison

Porsche 911 Cabriolet (991)

Carrera 3.4

350 hp3436 ccGasolineRWDDual-clutchNaturally aspiratedCabriolet / convertible2011-2015
VS

Porsche 911 (991)

Carrera 4 3.4

350 hp3436 ccGasolineAWDDual-clutchNaturally aspiratedCoupe2012-2015

Comparison overview

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

Best choices

Porsche 911 (991) Carrera 4 3.4

  • Quickest 0-100 km/h
    4.5 s
  • Lightest
    1,470 kg
    3,241 lb
  • Best power-to-weight
    238 hp/t
    178 kW/t
    4.2 kg/hp
  • Best estimated range
    791 km
    491 mi
  • Largest trunk
    385 L
  • Best overall score
    66/100
  • Best performance score
    74/100
  • Best practicality score
    50/100

Porsche 911 Cabriolet (991) Carrera 3.4

  • Fastest top speed
    284 km/h
    176 mph
  • Most powerful
    350 hp
    261 kW
  • Highest torque
    390 Nm
    288 lb-ft
  • Lowest combined fuel consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Lowest city consumption
    11.5 L/100 km
    20.5 mpg US
    24.6 mpg UK
  • Lowest highway consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Lowest CO2 emissions
    195 g/km
  • Best economy score
    84/100

Specification comparison

Specification comparison
ModelPorsche911 Cabriolet (991)Carrera 3.4Porsche911 (991)Carrera 4 3.4
Power
350hp261kW
350hp261kW
Torque
390Nm288lb-ft
390Nm288lb-ft
Curb weight
1,490kg3,285lb
1,470kg3,241lb
Gross weight
1,870kg4,123lb
1,865kg4,112lb
Top speed
284 km/h
176 mph
283 km/h
176 mph
To 99% top speed
63.2s99% target: 281 km/h / 175 mph
Calculated
62.6s99% target: 280 km/h / 174 mph
Calculated
0-100 km/h
4.6s
4.5s
0-200 km/h
14.5s
Calculated
14.3s
Calculated
0-60 mph
4.4s
Calculated
4.3s
Calculated
Fuel consumption
8.4L/100 km28mpg US33.6mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Fuel consumption city
11.5L/100 km20.5mpg US24.6mpg UK
11.7L/100 km20.1mpg US24.1mpg UK
Fuel consumption highway
6.7L/100 km35.1mpg US42.2mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile
12.6s
Calculated
12.5s
Calculated
Power-to-weight
235hp/t175kW/t107hp/1000 lb
Calculated
238hp/t178kW/t108hp/1000 lb
Calculated
Torque-to-weight
262Nm/t175lb-ft/ton
Calculated
265Nm/t178lb-ft/ton
Calculated
Estimated range
762km473mi
Calculated
791km491mi
Calculated
Displacement
3,436cc210cu in
3,436cc210cu in
Length
4,491mm177in
4,491mm177in
Width
1,808mm71in
1,852mm73in
Height
1,299mm51in
1,304mm51in
Wheelbase
2,450mm96in
2,450mm96in
Front track
1,532mm60in
1,532mm60in
Rear track
1,518mm60in
1,560mm61in
Trunk volume
290L
385L
Doors
2
2
Seats
4
4
Fuel tank
64L
68L
CO2 emissions
195g/km
200g/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 3.4Porsche 911 (991) Carrera 4 3.4PowerTorque
  • Porsche 911 Cabriolet (991) Carrera 3.4: Power / Torque
  • Porsche 911 (991) Carrera 4 3.4: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 Cabriolet (991)Carrera 3.47,400 rpm5,600 rpm7,650 rpm
Porsche911 (991)Carrera 4 3.47,400 rpm5,600 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 Cabriolet (991)Carrera 3.4Porsche911 (991)Carrera 4 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.3 s
0-100 km/h
0-62 mph
4.6 s
4.5 s
0-200 km/h
0-124 mph
14.5 s
14.3 s
Top speed
284 km/h
176 mph
283 km/h
176 mph
Drag race simulation
60 ft
18 m
2.2 s
2.1 s
330 ft
101 m
5.6 s
5.5 s
1/8 mile
201 m
8.3 s
8.2 s
1000 ft
305 m
10.6 s
10.6 s
1/4 mile
402 m
12.6 s
12.5 s
Trap speed
1/4 mile
402 m
187 km/h
116 mph
188 km/h
117 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera 3.4
350 hp
261 kW
Porsche911 (991)Carrera 4 3.4
350 hp
261 kW

Torque comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera 3.4
390 Nm
288 lb-ft
Porsche911 (991)Carrera 4 3.4
390 Nm
288 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera 3.4
1,490 kg
3,285 lb
Porsche911 (991)Carrera 4 3.4
1,470 kg
3,241 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 3.4
284 km/h
176 mph
Porsche911 (991)Carrera 4 3.4
283 km/h
176 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 3.44.6 s
Porsche911 (991)Carrera 4 3.44.5 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 4 3.4 and Porsche 911 Cabriolet (991) Carrera 3.4: 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 (991)Carrera 3.4
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Porsche911 (991)Carrera 4 3.4
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

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 3.4
235 hp/t
175 kW/t
4.3 kg/hp
Porsche911 (991)Carrera 4 3.4
238 hp/t
178 kW/t
4.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 Cabriolet (991)Carrera 3.4
762 km
473 mi
Porsche911 (991)Carrera 4 3.4
791 km
491 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 Cabriolet (991)Carrera 3.4
350 hp
261 kW
4.6 s
284 km/h
176 mph
Porsche911 (991)Carrera 4 3.4
350 hp
261 kW
4.5 s
283 km/h
176 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 3.4
Power
350 hp
261 kW
0-100 km/h4.6 s
Top speed
284 km/h
176 mph
Doors/seats
2 doors
4 seats
Trunk
290 L
10.2 cu ft
Length
4,491 mm
176.8 in
Height
1,299 mm
51.1 in
Porsche911 (991)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h4.5 s
Top speed
283 km/h
176 mph
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,491 mm
176.8 in
Height
1,304 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 (991)Carrera 3.4
Power
350 hp
261 kW
0-100 km/h4.6 s
Top speed
284 km/h
176 mph
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Porsche911 (991)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h4.5 s
Top speed
283 km/h
176 mph
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

Porsche 911 (991) Carrera 4 3.4 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 3.4
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
4.6 s
Porsche911 (991)Carrera 4 3.4
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
4.5 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 (991)Carrera 3.4
235 hp/t
175 kW/t
4.3 kg/hp
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Porsche911 (991)Carrera 4 3.4
238 hp/t
178 kW/t
4.2 kg/hp
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 Cabriolet (991)Carrera 3.4Porsche911 (991)Carrera 4 3.4
Power
350 hp
261 kW
350 hp
261 kW
Torque
390 Nm
288 lb-ft
390 Nm
288 lb-ft
Acceleration
4.6 s
4.5 s
Top speed
284 km/h
176 mph
283 km/h
176 mph
Lightness
1,490 kg
3,285 lb
1,470 kg
3,241 lb
Fuel consumption
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
290 L
10.2 cu ft
Length
4,491 mm
176.8 in
Height
1,299 mm
51.1 in
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,491 mm
176.8 in
Height
1,304 mm
51.3 in
Range score
762 km
473 mi
791 km
491 mi
CO2 score
195 g/km
200 g/km
Trunk score
290 L
10.2 cu ft
385 L
13.6 cu ft
Power-to-weight score
235 hp/t
175 kW/t
4.3 kg/hp
238 hp/t
178 kW/t
4.2 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 3.4Porsche 911 (991) Carrera 4 3.4
Consumption8.4 L/100 km28 mpg US33.6 mpg UK8.6 L/100 km27.4 mpg US32.8 mpg UK
Cost / 100 km14.70 LC100 km15.05 LC100 km
Cost / 100 mi23.66 LC100 mi24.22 LC100 mi
Annual fuel used1,260 L333 US gal277 UK gal1,290 L341 US gal284 UK gal
Annual fuel cost2,205 LC/year2,258 LC/year

Head-to-head comparisons

Porsche 911 Cabriolet (991) Carrera 3.4

  • Has 1 km/h (1 mph) higher top speed
  • Uses 0.2 L/100 km less fuel
  • Emits 5 g/km less CO2

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Smallest trunk

Porsche 911 (991) Carrera 4 3.4

  • Is 20 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Has 3 hp/t better power-to-weight
  • Has 29 km (18 mi) more estimated range
  • Has 95 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

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Model
Generation
Engine or modification
Porsche 911 Cabriolet (991) Carrera 3.4
Porsche 911 (991) Carrera 4 3.4
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