Porsche 911 (997)
Car comparison
Porsche 911 (997) GT2 3.6vsPorsche 911 (991) R 4.0
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonPorsche 911 (991)
R 4.0
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Porsche 911 (997) GT2 3.6
- Quickest 0-100 km/h3.7 s
- Fastest top speed329 km/h204 mph
- Most powerful530 hp395 kW
- Highest torque680 Nm502 lb-ft
- Best power-to-weight368 hp/t274 kW/t2.7 kg/hp
- Lowest combined fuel consumption12.5 L/100 km18.8 mpg US22.6 mpg UK
- Lowest city consumption18.8 L/100 km12.5 mpg US15.0 mpg UK
- Lowest highway consumption8.9 L/100 km26.4 mpg US31.7 mpg UK
- Lowest CO2 emissions298 g/km
- Best estimated range720 km447 mi
- Best overall score72/100
- Best performance score92/100
- Best economy score73/100
- Best practicality score31/100
Porsche 911 (991) R 4.0
- Lightest1,370 kg3,020 lb
- Largest trunk125 L
Specification comparison
| Model | Porsche911 (997)GT2 3.6 | Porsche911 (991)R 4.0 |
|---|---|---|
| Power | 530hp395kW | 500hp373kW |
| Torque | 680Nm502lb-ft | 460Nm339lb-ft |
| Curb weight | 1,440kg3,175lb | 1,370kg3,020lb |
| Gross weight | 1,750kg3,858lb | 1,660kg3,660lb |
| Top speed | 329 km/h 204 mph | 323 km/h 201 mph |
| To 99% top speed | 53.0s99% target: 326 km/h / 202 mph Calculated | 71.6s99% target: 320 km/h / 199 mph Calculated |
| 0-100 km/h | 3.7s | 3.8s |
| 0-200 km/h | 10.0s Calculated | 11.6s |
| 0-60 mph | 3.5s Calculated | 3.6s Calculated |
| Fuel consumption | 12.5L/100 km18.8mpg US22.6mpg UK | 13.3L/100 km17.7mpg US21.2mpg UK |
| Fuel consumption city | 18.8L/100 km12.5mpg US15.0mpg UK | 20.1L/100 km11.7mpg US14.1mpg UK |
| Fuel consumption highway | 8.9L/100 km26.4mpg US31.7mpg UK | 9.3L/100 km25.3mpg US30.4mpg UK |
| Quarter mile | 11.3s Calculated | 11.7s Calculated |
| Power-to-weight | 368hp/t274kW/t167hp/1000 lb Calculated | 365hp/t272kW/t166hp/1000 lb Calculated |
| Torque-to-weight | 472Nm/t316lb-ft/ton Calculated | 336Nm/t225lb-ft/ton Calculated |
| Estimated range | 720km447mi Calculated | 481km299mi Calculated |
| Displacement | 3,600cc220cu in | 3,996cc244cu in |
| Length | 4,469mm176in | 4,532mm178in |
| Width | 1,852mm73in | 1,852mm73in |
| Height | 1,285mm51in | 1,276mm50in |
| Wheelbase | 2,350mm93in | 2,475mm97in |
| Front track | - | 1,551mm61in |
| Rear track | - | 1,555mm61in |
| Trunk volume | 105L | 125L |
| Doors | 2 | 2 |
| Seats | 2 | 2 |
| Fuel tank | 90L | 64L |
| CO2 emissions | 298g/km | 308g/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 (997) GT2 3.6: Power / Torque
- Porsche 911 (991) R 4.0: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Porsche911 (997)GT2 3.6 | 6,500 rpm | 2,200-4,500 rpm | 6,750 rpm |
| Porsche911 (991)R 4.0 | 8,250 rpm | 6,250 rpm | 8,500 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Porsche911 (997)GT2 3.6 | Porsche911 (991)R 4.0 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 3.5 s | 3.6 s |
0-100 km/h 0-62 mph | 3.7 s | 3.8 s |
0-200 km/h 0-124 mph | 10.0 s | 11.6 s |
0-200 mph 0-322 km/h | 43.8 s | 90.9 s |
| Top speed | 329 km/h 204 mph | 323 km/h 201 mph |
| Drag race simulation | ||
60 ft 18 m | 2.0 s | 1.9 s |
330 ft 101 m | 5.1 s | 5.1 s |
1/8 mile 201 m | 7.5 s | 7.7 s |
1000 ft 305 m | 9.6 s | 9.8 s |
1/4 mile 402 m | 11.3 s | 11.7 s |
Trap speed 1/4 mile 402 m | 214 km/h 133 mph | 201 km/h 125 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Porsche911 (997)GT2 3.6 | 530 hp 395 kW |
| Porsche911 (991)R 4.0 | 500 hp 373 kW |
Porsche 911 (997) GT2 3.6 has 30 hp more than Porsche 911 (991) R 4.0.
The biggest power difference is between Porsche 911 (991) R 4.0 and Porsche 911 (997) GT2 3.6: 30 hp (22 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Porsche911 (997)GT2 3.6 | 680 Nm 502 lb-ft |
| Porsche911 (991)R 4.0 | 460 Nm 339 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Porsche911 (997)GT2 3.6 | 1,440 kg 3,175 lb |
| Porsche911 (991)R 4.0 | 1,370 kg 3,020 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| Porsche911 (997)GT2 3.6 | 329 km/h 204 mph |
| Porsche911 (991)R 4.0 | 323 km/h 201 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Porsche911 (997)GT2 3.6 | 3.7 s |
| Porsche911 (991)R 4.0 | 3.8 s |
The biggest 0-100 km/h difference is between Porsche 911 (997) GT2 3.6 and Porsche 911 (991) R 4.0: 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 (997)GT2 3.6 | 12.5 L/100 km 18.8 mpg US 22.6 mpg UK |
| Porsche911 (991)R 4.0 | 13.3 L/100 km 17.7 mpg US 21.2 mpg UK |
The biggest fuel consumption difference is between Porsche 911 (997) GT2 3.6 and Porsche 911 (991) R 4.0: 0.8 L/100 km.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| Porsche911 (997)GT2 3.6 | 368 hp/t 274 kW/t 2.7 kg/hp |
| Porsche911 (991)R 4.0 | 365 hp/t 272 kW/t 2.7 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Porsche911 (997)GT2 3.6 | 720 km 447 mi |
| Porsche911 (991)R 4.0 | 481 km 299 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Porsche911 (997)GT2 3.6 | 530 hp 395 kW | 3.7 s | 329 km/h 204 mph |
| Porsche911 (991)R 4.0 | 500 hp 373 kW | 3.8 s | 323 km/h 201 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 (997)GT2 3.6 |
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| Porsche911 (991)R 4.0 |
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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 (997)GT2 3.6 |
| 12.5 L/100 km 18.8 mpg US 22.6 mpg UK | ||||||
| Porsche911 (991)R 4.0 |
| 13.3 L/100 km 17.7 mpg US 21.2 mpg UK | ||||||
Porsche 911 (997) GT2 3.6 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 (997)GT2 3.6 | 12.5 L/100 km 18.8 mpg US 22.6 mpg UK | 3.7 s |
| Porsche911 (991)R 4.0 | 13.3 L/100 km 17.7 mpg US 21.2 mpg UK | 3.8 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 (997)GT2 3.6 | 368 hp/t 274 kW/t 2.7 kg/hp | 12.5 L/100 km 18.8 mpg US 22.6 mpg UK |
| Porsche911 (991)R 4.0 | 365 hp/t 272 kW/t 2.7 kg/hp | 13.3 L/100 km 17.7 mpg US 21.2 mpg UK |
Detailed score breakdown
| Vehicle | Porsche911 (997)GT2 3.6 | Porsche911 (991)R 4.0 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 530 hp 395 kW | 500 hp 373 kW | ||||||||||||||||
| Torque | 680 Nm 502 lb-ft | 460 Nm 339 lb-ft | ||||||||||||||||
| Acceleration | 3.7 s | 3.8 s | ||||||||||||||||
| Top speed | 329 km/h 204 mph | 323 km/h 201 mph | ||||||||||||||||
| Lightness | 1,440 kg 3,175 lb | 1,370 kg 3,020 lb | ||||||||||||||||
| Fuel consumption | 12.5 L/100 km 18.8 mpg US 22.6 mpg UK | 13.3 L/100 km 17.7 mpg US 21.2 mpg UK | ||||||||||||||||
| Practicality |
|
| ||||||||||||||||
| Range score | 720 km 447 mi | 481 km 299 mi | ||||||||||||||||
| CO2 score | 298 g/km | 308 g/km | ||||||||||||||||
| Trunk score | 105 L 3.7 cu ft | 125 L 4.4 cu ft | ||||||||||||||||
| Power-to-weight score | 368 hp/t 274 kW/t 2.7 kg/hp | 365 hp/t 272 kW/t 2.7 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 (997) GT2 3.6 | Porsche 911 (991) R 4.0 |
|---|---|---|
| Consumption | 12.5 L/100 km18.8 mpg US22.6 mpg UK | 13.3 L/100 km17.7 mpg US21.2 mpg UK |
| Cost / 100 km | 21.88 LC100 km | 23.28 LC100 km |
| Cost / 100 mi | 35.20 LC100 mi | 37.46 LC100 mi |
| Annual fuel used | 1,875 L495 US gal412 UK gal | 1,995 L527 US gal439 UK gal |
| Annual fuel cost | 3,281 LC/year | 3,491 LC/year |
Head-to-head comparisons
Porsche 911 (997) GT2 3.6
- Has 30 hp more
- Has 220 Nm more
- Is 0.1 s quicker from 0-100 km/h
- Has 6 km/h (4 mph) higher top speed
- Uses 0.8 L/100 km less fuel
- Has 3 hp/t better power-to-weight
- Has 239 km (148 mi) more estimated range
- Emits 10 g/km less CO2
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Highest torque
- Lowest combined fuel consumption
- Best power-to-weight ratio
- Best estimated range
Cons
- Heaviest
- Smallest trunk
Porsche 911 (991) R 4.0
- Is 70 kg lighter
- Has 20 L more trunk volume
Pros
- Lightest
- Largest trunk
Cons
- Slowest 0-100 km/h
- Lowest power
- Highest combined fuel consumption
- Lowest top speed
- Highest CO2 emissions
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