Porsche 911 (991)
Car comparison
Porsche 911 (991) Carrera 4 3.4vsPorsche Cayman (981C) GTS 3.4
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonPorsche Cayman (981C)
GTS 3.4
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Porsche Cayman (981C) GTS 3.4
- Quickest 0-100 km/h4.8 s
- Lightest1,375 kg3,031 lb
- Best power-to-weight247 hp/t184 kW/t4.0 kg/hp
- Lowest combined fuel consumption8.2 L/100 km28.7 mpg US34.4 mpg UK
- Lowest city consumption11.4 L/100 km20.6 mpg US24.8 mpg UK
- Lowest highway consumption6.3 L/100 km37.3 mpg US44.8 mpg UK
- Lowest CO2 emissions190 g/km
- Best estimated range780 km485 mi
- Largest trunk425 L
- Best economy score85/100
Porsche 911 (991) Carrera 4 3.4
- Fastest top speed285 km/h177 mph
- Most powerful350 hp261 kW
- Highest torque390 Nm288 lb-ft
- Best overall score66/100
- Best performance score73/100
- Best practicality score50/100
Specification comparison
| Model | Porsche911 (991)Carrera 4 3.4 | PorscheCayman (981C)GTS 3.4 |
|---|---|---|
| Power | 350hp261kW | 340hp254kW |
| Torque | 390Nm288lb-ft | 380Nm280lb-ft |
| Curb weight | 1,450kg3,197lb | 1,375kg3,031lb |
| Gross weight | 1,845kg4,068lb | 1,695kg3,737lb |
| Top speed | 285 km/h 177 mph | 283 km/h 176 mph |
| To 99% top speed | 67.9s99% target: 282 km/h / 175 mph Calculated | 64.6s99% target: 280 km/h / 174 mph Calculated |
| 0-100 km/h | 4.9s | 4.8s |
| 0-200 km/h | 15.4s Calculated | 15.0s Calculated |
| 0-60 mph | 4.7s Calculated | 4.6s Calculated |
| Fuel consumption | 9.3L/100 km25.3mpg US30.4mpg UK | 8.2L/100 km28.7mpg US34.4mpg UK |
| Fuel consumption city | 12.9L/100 km18.2mpg US21.9mpg UK | 11.4L/100 km20.6mpg US24.8mpg UK |
| Fuel consumption highway | 7.4L/100 km31.8mpg US38.2mpg UK | 6.3L/100 km37.3mpg US44.8mpg UK |
| Quarter mile | 12.9s Calculated | 12.8s Calculated |
| Power-to-weight | 241hp/t180kW/t109hp/1000 lb Calculated | 247hp/t184kW/t112hp/1000 lb Calculated |
| Torque-to-weight | 269Nm/t180lb-ft/ton Calculated | 276Nm/t185lb-ft/ton Calculated |
| Estimated range | 731km454mi Calculated | 780km485mi Calculated |
| Displacement | 3,436cc210cu in | 3,436cc210cu in |
| Length | 4,491mm177in | 4,404mm173in |
| Width | 1,852mm73in | 1,801mm71in |
| Height | 1,304mm51in | 1,284mm51in |
| Wheelbase | 2,450mm96in | 2,475mm97in |
| Front track | 1,532mm60in | - |
| Rear track | 1,560mm61in | - |
| Trunk volume | 385L | 425L |
| Doors | 2 | 2 |
| Seats | 4 | 2 |
| Fuel tank | 68L | 64L |
| CO2 emissions | 218g/km | 190g/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 Cayman (981C) GTS 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 |
| PorscheCayman (981C)GTS 3.4 | 7,400 rpm | 4,750-5,800 rpm | 7,650 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Porsche911 (991)Carrera 4 3.4 | PorscheCayman (981C)GTS 3.4 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.7 s | 4.6 s |
0-100 km/h 0-62 mph | 4.9 s | 4.8 s |
0-200 km/h 0-124 mph | 15.4 s | 15.0 s |
| Top speed | 285 km/h 177 mph | 283 km/h 176 mph |
| Drag race simulation | ||
60 ft 18 m | 2.2 s | 2.2 s |
330 ft 101 m | 5.7 s | 5.7 s |
1/8 mile 201 m | 8.5 s | 8.4 s |
1000 ft 305 m | 10.9 s | 10.8 s |
1/4 mile 402 m | 12.9 s | 12.8 s |
Trap speed 1/4 mile 402 m | 184 km/h 114 mph | 185 km/h 115 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 |
| PorscheCayman (981C)GTS 3.4 | 340 hp 254 kW |
Porsche 911 (991) Carrera 4 3.4 has 10 hp more than Porsche Cayman (981C) GTS 3.4.
The biggest power difference is between Porsche Cayman (981C) GTS 3.4 and Porsche 911 (991) Carrera 4 3.4: 10 hp (7 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 |
| PorscheCayman (981C)GTS 3.4 | 380 Nm 280 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 |
| PorscheCayman (981C)GTS 3.4 | 1,375 kg 3,031 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 |
| PorscheCayman (981C)GTS 3.4 | 283 km/h 176 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 |
| PorscheCayman (981C)GTS 3.4 | 4.8 s |
Although Porsche 911 (991) Carrera 4 3.4 has more power, Porsche Cayman (981C) GTS 3.4 is quicker from 0-100 km/h.
The biggest 0-100 km/h difference is between Porsche Cayman (981C) GTS 3.4 and Porsche 911 (991) Carrera 4 3.4: 0.1 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 |
| PorscheCayman (981C)GTS 3.4 | 8.2 L/100 km 28.7 mpg US 34.4 mpg UK |
The biggest fuel consumption difference is between Porsche Cayman (981C) GTS 3.4 and Porsche 911 (991) Carrera 4 3.4: 1.1 L/100 km.
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 |
| PorscheCayman (981C)GTS 3.4 | 247 hp/t 184 kW/t 4.0 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 |
| PorscheCayman (981C)GTS 3.4 | 780 km 485 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 |
| PorscheCayman (981C)GTS 3.4 | 340 hp 254 kW | 4.8 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.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Porsche911 (991)Carrera 4 3.4 |
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| PorscheCayman (981C)GTS 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 | ||||||
| PorscheCayman (981C)GTS 3.4 |
| 8.2 L/100 km 28.7 mpg US 34.4 mpg UK | ||||||
Porsche Cayman (981C) GTS 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 |
| PorscheCayman (981C)GTS 3.4 | 8.2 L/100 km 28.7 mpg US 34.4 mpg UK | 4.8 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 |
| PorscheCayman (981C)GTS 3.4 | 247 hp/t 184 kW/t 4.0 kg/hp | 8.2 L/100 km 28.7 mpg US 34.4 mpg UK |
Detailed score breakdown
| Vehicle | Porsche911 (991)Carrera 4 3.4 | PorscheCayman (981C)GTS 3.4 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 350 hp 261 kW | 340 hp 254 kW | ||||||||||||||||
| Torque | 390 Nm 288 lb-ft | 380 Nm 280 lb-ft | ||||||||||||||||
| Acceleration | 4.9 s | 4.8 s | ||||||||||||||||
| Top speed | 285 km/h 177 mph | 283 km/h 176 mph | ||||||||||||||||
| Lightness | 1,450 kg 3,197 lb | 1,375 kg 3,031 lb | ||||||||||||||||
| Fuel consumption | 9.3 L/100 km 25.3 mpg US 30.4 mpg UK | 8.2 L/100 km 28.7 mpg US 34.4 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 731 km 454 mi | 780 km 485 mi | ||||||||||||||||
| CO2 score | 218 g/km | 190 g/km | ||||||||||||||||
| Trunk score | 385 L 13.6 cu ft | 425 L 15.0 cu ft | ||||||||||||||||
| Power-to-weight score | 241 hp/t 180 kW/t 4.1 kg/hp | 247 hp/t 184 kW/t 4.0 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 Cayman (981C) GTS 3.4 |
|---|---|---|
| Consumption | 9.3 L/100 km25.3 mpg US30.4 mpg UK | 8.2 L/100 km28.7 mpg US34.4 mpg UK |
| Cost / 100 km | 16.28 LC100 km | 14.35 LC100 km |
| Cost / 100 mi | 26.19 LC100 mi | 23.09 LC100 mi |
| Annual fuel used | 1,395 L369 US gal307 UK gal | 1,230 L325 US gal271 UK gal |
| Annual fuel cost | 2,441 LC/year | 2,153 LC/year |
Head-to-head comparisons
Porsche 911 (991) Carrera 4 3.4
- Has 10 hp more
- Has 10 Nm more
- Has 2 km/h (1 mph) higher top speed
Pros
- Highest top speed
- Most powerful
- Highest torque
Cons
- Slowest 0-100 km/h
- Highest combined fuel consumption
- Heaviest
- Smallest trunk
- Highest CO2 emissions
Porsche Cayman (981C) GTS 3.4
- Is 75 kg lighter
- Is 0.1 s quicker from 0-100 km/h
- Uses 1.1 L/100 km less fuel
- Has 6 hp/t better power-to-weight
- Has 49 km (31 mi) more estimated range
- Has 40 L more trunk volume
- Emits 28 g/km less CO2
Pros
- Quickest 0-100 km/h in this comparison
- Lightest
- Lowest combined fuel consumption
- Best power-to-weight ratio
- Best estimated range
- Largest trunk
Cons
- Lowest power
- Lowest top speed
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