Porsche 911 (991)
Car comparison
Porsche 911 (991) Carrera 4 3.4vsPorsche 911 Cabriolet (991) Carrera 4 3.4
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonPorsche 911 Cabriolet (991)
Carrera 4 3.4
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/h4.9 s
- Fastest top speed285 km/h177 mph
- Most powerful350 hp261 kW
- Highest torque390 Nm288 lb-ft
- Lightest1,450 kg3,197 lb
- Best power-to-weight241 hp/t180 kW/t4.1 kg/hp
- Lowest combined fuel consumption9.3 L/100 km25.3 mpg US30.4 mpg UK
- Lowest city consumption12.9 L/100 km18.2 mpg US21.9 mpg UK
- Lowest highway consumption7.4 L/100 km31.8 mpg US38.2 mpg UK
- Lowest CO2 emissions218 g/km
- Best estimated range731 km454 mi
- Largest trunk385 L
- Best overall score66/100
- Best performance score73/100
- Best economy score82/100
- Best practicality score50/100
Specification comparison
| Model | Porsche911 (991)Carrera 4 3.4 | Porsche911 Cabriolet (991)Carrera 4 3.4 |
|---|---|---|
| Power | 350hp261kW | 350hp261kW |
| Torque | 390Nm288lb-ft | 390Nm288lb-ft |
| Curb weight | 1,450kg3,197lb | 1,520kg3,351lb |
| Gross weight | 1,845kg4,068lb | 1,900kg4,189lb |
| Top speed | 285 km/h 177 mph | 282 km/h 175 mph |
| To 99% top speed | 68.4s99% target: 282 km/h / 175 mph Calculated | 71.7s99% target: 279 km/h / 173 mph Calculated |
| 0-100 km/h | 4.9s | 5.1s |
| 0-200 km/h | 15.4s Calculated | 16.4s Calculated |
| 0-60 mph | 4.7s Calculated | 4.9s Calculated |
| Fuel consumption | 9.3L/100 km25.3mpg US30.4mpg UK | 9.5L/100 km24.8mpg US29.7mpg UK |
| Fuel consumption city | 12.9L/100 km18.2mpg US21.9mpg UK | 13.1L/100 km18mpg US21.6mpg UK |
| Fuel consumption highway | 7.4L/100 km31.8mpg US38.2mpg UK | 7.5L/100 km31.4mpg US37.7mpg UK |
| Quarter mile | 12.9s Calculated | 13.1s Calculated |
| Power-to-weight | 241hp/t180kW/t109hp/1000 lb Calculated | 230hp/t172kW/t104hp/1000 lb Calculated |
| Torque-to-weight | 269Nm/t180lb-ft/ton Calculated | 257Nm/t172lb-ft/ton Calculated |
| Estimated range | 731km454mi Calculated | 716km445mi Calculated |
| Displacement | 3,436cc210cu in | 3,436cc210cu in |
| Length | 4,491mm177in | 4,491mm177in |
| Width | 1,852mm73in | 1,852mm73in |
| Height | 1,304mm51in | 1,300mm51in |
| Wheelbase | 2,450mm96in | 2,450mm96in |
| Front track | 1,532mm60in | 1,532mm60in |
| Rear track | 1,560mm61in | 1,560mm61in |
| Trunk volume | 385L | 285L |
| Doors | 2 | 2 |
| Seats | 4 | 4 |
| Fuel tank | 68L | 68L |
| CO2 emissions | 218g/km | 223g/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 (991) Carrera 4 3.4: Power / Torque
- Porsche 911 Cabriolet (991) Carrera 4 3.4: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Porsche911 (991)Carrera 4 3.4 | 7,400 rpm | 5,600 rpm | 7,650 rpm |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 7,400 rpm | 5,600 rpm | 7,650 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Porsche911 (991)Carrera 4 3.4 | Porsche911 Cabriolet (991)Carrera 4 3.4 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.7 s | 4.9 s |
0-100 km/h 0-62 mph | 4.9 s | 5.1 s |
0-200 km/h 0-124 mph | 15.4 s | 16.4 s |
| Top speed | 285 km/h 177 mph | 282 km/h 175 mph |
| Drag race simulation | ||
60 ft 18 m | 2.2 s | 2.2 s |
330 ft 101 m | 5.7 s | 5.8 s |
1/8 mile 201 m | 8.5 s | 8.7 s |
1000 ft 305 m | 10.9 s | 11.1 s |
1/4 mile 402 m | 12.9 s | 13.1 s |
Trap speed 1/4 mile 402 m | 183 km/h 114 mph | 180 km/h 112 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4 3.4 | 350 hp 261 kW |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 350 hp 261 kW |
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4 3.4 | 390 Nm 288 lb-ft |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 390 Nm 288 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4 3.4 | 1,450 kg 3,197 lb |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 1,520 kg 3,351 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4 3.4 | 285 km/h 177 mph |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 282 km/h 175 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4 3.4 | 4.9 s |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 5.1 s |
The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 4 3.4 and Porsche 911 Cabriolet (991) Carrera 4 3.4: 0.2 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4 3.4 | 9.3 L/100 km 25.3 mpg US 30.4 mpg UK |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK |
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4 3.4 | 241 hp/t 180 kW/t 4.1 kg/hp |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 230 hp/t 172 kW/t 4.3 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4 3.4 | 731 km 454 mi |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 716 km 445 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Porsche911 (991)Carrera 4 3.4 | 350 hp 261 kW | 4.9 s | 285 km/h 177 mph |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 350 hp 261 kW | 5.1 s | 282 km/h 175 mph |
Most attractive quadrant
Scatter chart with performance score on the X axis and practicality score on the Y axis.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porsche911 (991)Carrera 4 3.4 |
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| Porsche911 Cabriolet (991)Carrera 4 3.4 |
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Performance vs fuel economy
Cars closer to the top-right corner combine stronger performance with better fuel economy scores.
| Vehicle | Performance score | Fuel economy score | ||||||
|---|---|---|---|---|---|---|---|---|
| Porsche911 (991)Carrera 4 3.4 |
| 9.3 L/100 km 25.3 mpg US 30.4 mpg UK | ||||||
| Porsche911 Cabriolet (991)Carrera 4 3.4 |
| 9.5 L/100 km 24.8 mpg US 29.7 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.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| Porsche911 (991)Carrera 4 3.4 | 9.3 L/100 km 25.3 mpg US 30.4 mpg UK | 4.9 s |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | 5.1 s |
Power-to-weight vs fuel consumption
The shaded area favors higher power-to-weight with lower combined fuel consumption.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| Porsche911 (991)Carrera 4 3.4 | 241 hp/t 180 kW/t 4.1 kg/hp | 9.3 L/100 km 25.3 mpg US 30.4 mpg UK |
| Porsche911 Cabriolet (991)Carrera 4 3.4 | 230 hp/t 172 kW/t 4.3 kg/hp | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK |
Detailed score breakdown
| Vehicle | Porsche911 (991)Carrera 4 3.4 | Porsche911 Cabriolet (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 | 4.9 s | 5.1 s | ||||||||||||||||
| Top speed | 285 km/h 177 mph | 282 km/h 175 mph | ||||||||||||||||
| Lightness | 1,450 kg 3,197 lb | 1,520 kg 3,351 lb | ||||||||||||||||
| Fuel consumption | 9.3 L/100 km 25.3 mpg US 30.4 mpg UK | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 731 km 454 mi | 716 km 445 mi | ||||||||||||||||
| CO2 score | 218 g/km | 223 g/km | ||||||||||||||||
| Trunk score | 385 L 13.6 cu ft | 285 L 10.1 cu ft | ||||||||||||||||
| Power-to-weight score | 241 hp/t 180 kW/t 4.1 kg/hp | 230 hp/t 172 kW/t 4.3 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
| Vehicle | Porsche 911 (991) Carrera 4 3.4 | Porsche 911 Cabriolet (991) Carrera 4 3.4 |
|---|---|---|
| Consumption | 9.3 L/100 km25.3 mpg US30.4 mpg UK | 9.5 L/100 km24.8 mpg US29.7 mpg UK |
| Cost / 100 km | 16.28 LC100 km | 16.63 LC100 km |
| Cost / 100 mi | 26.19 LC100 mi | 26.76 LC100 mi |
| Annual fuel used | 1,395 L369 US gal307 UK gal | 1,425 L376 US gal313 UK gal |
| Annual fuel cost | 2,441 LC/year | 2,494 LC/year |
Head-to-head comparisons
Porsche 911 (991) Carrera 4 3.4
- Is 70 kg lighter
- Is 0.2 s quicker from 0-100 km/h
- Has 3 km/h (2 mph) higher top speed
- Uses 0.2 L/100 km less fuel
- Has 11 hp/t better power-to-weight
- Has 15 km (10 mi) more estimated range
- Has 100 L more trunk volume
- Emits 5 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 Cabriolet (991) Carrera 4 3.4
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
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