Porsche 911 (991 II)
Car comparison
Porsche 911 (991 II) GT2 RS 3.8vsAston Martin DBS Superleggera 5.2 V12
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonAston Martin DBS Superleggera
5.2 V12
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Porsche 911 (991 II) GT2 RS 3.8
- Quickest 0-100 km/h2.8 s
- Fastest top speed340 km/h211 mph
- Lightest1,470 kg3,241 lb
- Best power-to-weight476 hp/t355 kW/t2.1 kg/hp
- Lowest combined fuel consumption11.8 L/100 km19.9 mpg US23.9 mpg UK
- Lowest highway consumption8.2 L/100 km28.7 mpg US34.4 mpg UK
- Lowest CO2 emissions269 g/km
- Best performance score95/100
- Best economy score75/100
Aston Martin DBS Superleggera 5.2 V12
- Most powerful725 hp541 kW
- Highest torque900 Nm664 lb-ft
- Lowest city consumption18.0 L/100 km13.1 mpg US15.7 mpg UK
- Best overall score80/100
- Best practicality score51/100
Specification comparison
| Model | Porsche911 (991 II)GT2 RS 3.8 | Aston MartinDBS Superleggera5.2 V12 |
|---|---|---|
| Power | 700hp522kW | 725hp541kW |
| Torque | 750Nm553lb-ft | 900Nm664lb-ft |
| Curb weight | 1,470kg3,241lb | 1,693kg3,732lb |
| Gross weight | 1,830kg4,034lb | - |
| Top speed | 340 km/h 211 mph | 340 km/h 211 mph |
| To 99% top speed | 56.2s99% target: 337 km/h / 209 mph Calculated | 48.2s99% target: 337 km/h / 209 mph Calculated |
| 0-100 km/h | 2.8s | 3.4s |
| 0-200 km/h | 8.3s | 8.9s Calculated |
| 0-60 mph | 2.7s Calculated | 3.3s Calculated |
| Fuel consumption | 11.8L/100 km19.9mpg US23.9mpg UK | 12.4L/100 km19mpg US22.8mpg UK |
| Fuel consumption city | 18.1L/100 km13mpg US15.6mpg UK | 18L/100 km13.1mpg US15.7mpg UK |
| Fuel consumption highway | 8.2L/100 km28.7mpg US34.4mpg UK | 9.1L/100 km25.8mpg US31.0mpg UK |
| Quarter mile | 10.3s Calculated | 10.8s Calculated |
| Power-to-weight | 476hp/t355kW/t216hp/1000 lb Calculated | 428hp/t319kW/t194hp/1000 lb Calculated |
| Torque-to-weight | 510Nm/t341lb-ft/ton Calculated | 532Nm/t356lb-ft/ton Calculated |
| Estimated range | 542km337mi Calculated | - |
| Displacement | 3,800cc232cu in | 5,204cc318cu in |
| Length | 4,549mm179in | 4,712mm186in |
| Width | 1,880mm74in | 1,968mm77in |
| Height | 1,297mm51in | 1,280mm50in |
| Wheelbase | 2,453mm97in | 2,805mm110in |
| Front track | 1,588mm63in | 1,665mm66in |
| Rear track | 1,557mm61in | 1,645mm65in |
| Ground clearance | - | 120mm5in |
| Trunk volume | 115L | - |
| Doors | 2 | 2 |
| Seats | 2 | 4 |
| Fuel tank | 64L | - |
| CO2 emissions | 269g/km | 285g/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 II) GT2 RS 3.8: Power / Torque
- Aston Martin DBS Superleggera 5.2 V12: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Porsche911 (991 II)GT2 RS 3.8 | 7,000 rpm | 2,500-4,500 rpm | 7,250 rpm |
| Aston MartinDBS Superleggera5.2 V12 | 6,500 rpm | 1,800-5,000 rpm | 6,750 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Porsche911 (991 II)GT2 RS 3.8 | Aston MartinDBS Superleggera5.2 V12 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 2.7 s | 3.3 s |
0-100 km/h 0-62 mph | 2.8 s | 3.4 s |
0-200 km/h 0-124 mph | 8.3 s | 8.9 s |
0-200 mph 0-322 km/h | 33.3 s | 30.3 s |
| Top speed | 340 km/h 211 mph | 340 km/h 211 mph |
| Drag race simulation | ||
60 ft 18 m | 1.7 s | 2.0 s |
330 ft 101 m | 4.5 s | 4.9 s |
1/8 mile 201 m | 6.8 s | 7.3 s |
1000 ft 305 m | 8.7 s | 9.2 s |
1/4 mile 402 m | 10.3 s | 10.8 s |
Trap speed 1/4 mile 402 m | 224 km/h 139 mph | 224 km/h 139 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT2 RS 3.8 | 700 hp 522 kW |
| Aston MartinDBS Superleggera5.2 V12 | 725 hp 541 kW |
Aston Martin DBS Superleggera 5.2 V12 has 25 hp more than Porsche 911 (991 II) GT2 RS 3.8.
The biggest power difference is between Porsche 911 (991 II) GT2 RS 3.8 and Aston Martin DBS Superleggera 5.2 V12: 25 hp (19 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT2 RS 3.8 | 750 Nm 553 lb-ft |
| Aston MartinDBS Superleggera5.2 V12 | 900 Nm 664 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT2 RS 3.8 | 1,470 kg 3,241 lb |
| Aston MartinDBS Superleggera5.2 V12 | 1,693 kg 3,732 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT2 RS 3.8 | 340 km/h 211 mph |
| Aston MartinDBS Superleggera5.2 V12 | 340 km/h 211 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT2 RS 3.8 | 2.8 s |
| Aston MartinDBS Superleggera5.2 V12 | 3.4 s |
Although Aston Martin DBS Superleggera 5.2 V12 has more power, Porsche 911 (991 II) GT2 RS 3.8 is quicker from 0-100 km/h.
The biggest 0-100 km/h difference is between Porsche 911 (991 II) GT2 RS 3.8 and Aston Martin DBS Superleggera 5.2 V12: 0.6 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT2 RS 3.8 | 11.8 L/100 km 19.9 mpg US 23.9 mpg UK |
| Aston MartinDBS Superleggera5.2 V12 | 12.4 L/100 km 19.0 mpg US 22.8 mpg UK |
The biggest fuel consumption difference is between Porsche 911 (991 II) GT2 RS 3.8 and Aston Martin DBS Superleggera 5.2 V12: 0.6 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 II)GT2 RS 3.8 | 476 hp/t 355 kW/t 2.1 kg/hp |
| Aston MartinDBS Superleggera5.2 V12 | 428 hp/t 319 kW/t 2.3 kg/hp |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Porsche911 (991 II)GT2 RS 3.8 | 700 hp 522 kW | 2.8 s | 340 km/h 211 mph |
| Aston MartinDBS Superleggera5.2 V12 | 725 hp 541 kW | 3.4 s | 340 km/h 211 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 II)GT2 RS 3.8 |
|
| ||||||||||||||
| Aston MartinDBS Superleggera5.2 V12 |
|
| ||||||||||||||
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 II)GT2 RS 3.8 |
| 11.8 L/100 km 19.9 mpg US 23.9 mpg UK | ||||||
| Aston MartinDBS Superleggera5.2 V12 |
| 12.4 L/100 km 19.0 mpg US 22.8 mpg UK | ||||||
Porsche 911 (991 II) GT2 RS 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.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| Porsche911 (991 II)GT2 RS 3.8 | 11.8 L/100 km 19.9 mpg US 23.9 mpg UK | 2.8 s |
| Aston MartinDBS Superleggera5.2 V12 | 12.4 L/100 km 19.0 mpg US 22.8 mpg UK | 3.4 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 II)GT2 RS 3.8 | 476 hp/t 355 kW/t 2.1 kg/hp | 11.8 L/100 km 19.9 mpg US 23.9 mpg UK |
| Aston MartinDBS Superleggera5.2 V12 | 428 hp/t 319 kW/t 2.3 kg/hp | 12.4 L/100 km 19.0 mpg US 22.8 mpg UK |
Detailed score breakdown
| Vehicle | Porsche911 (991 II)GT2 RS 3.8 | Aston MartinDBS Superleggera5.2 V12 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 700 hp 522 kW | 725 hp 541 kW | ||||||||||||||||
| Torque | 750 Nm 553 lb-ft | 900 Nm 664 lb-ft | ||||||||||||||||
| Acceleration | 2.8 s | 3.4 s | ||||||||||||||||
| Top speed | 340 km/h 211 mph | 340 km/h 211 mph | ||||||||||||||||
| Lightness | 1,470 kg 3,241 lb | 1,693 kg 3,732 lb | ||||||||||||||||
| Fuel consumption | 11.8 L/100 km 19.9 mpg US 23.9 mpg UK | 12.4 L/100 km 19.0 mpg US 22.8 mpg UK | ||||||||||||||||
| Practicality |
|
| ||||||||||||||||
| Range score | 542 km 337 mi | - | ||||||||||||||||
| CO2 score | 269 g/km | 285 g/km | ||||||||||||||||
| Trunk score | 115 L 4.1 cu ft | - | ||||||||||||||||
| Power-to-weight score | 476 hp/t 355 kW/t 2.1 kg/hp | 428 hp/t 319 kW/t 2.3 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 II) GT2 RS 3.8 | Aston Martin DBS Superleggera 5.2 V12 |
|---|---|---|
| Consumption | 11.8 L/100 km19.9 mpg US23.9 mpg UK | 12.4 L/100 km19 mpg US22.8 mpg UK |
| Cost / 100 km | 20.65 LC100 km | 21.70 LC100 km |
| Cost / 100 mi | 33.23 LC100 mi | 34.92 LC100 mi |
| Annual fuel used | 1,770 L468 US gal389 UK gal | 1,860 L491 US gal409 UK gal |
| Annual fuel cost | 3,098 LC/year | 3,255 LC/year |
Head-to-head comparisons
Porsche 911 (991 II) GT2 RS 3.8
- Is 223 kg lighter
- Is 0.6 s quicker from 0-100 km/h
- Uses 0.6 L/100 km less fuel
- Has 48 hp/t better power-to-weight
- Emits 16 g/km less CO2
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Lightest
- Lowest combined fuel consumption
- Best power-to-weight ratio
Cons
- Lowest power
Aston Martin DBS Superleggera 5.2 V12
- Has 25 hp more
- Has 150 Nm more
Pros
- Most powerful
- Highest torque
Cons
- Slowest 0-100 km/h
- Highest combined fuel consumption
- Heaviest
- Highest CO2 emissions
Choose cars to compare
Popular comparisons























