Porsche 911 (991)
Car comparison
Porsche 911 (991) Carrera S 3.8vsPorsche 911 Targa (997) · Facelift 2008 Targa 4S 3.8
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonPorsche 911 Targa (997) · Facelift 2008
Targa 4S 3.8
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Porsche 911 (991) Carrera S 3.8
- Quickest 0-100 km/h4.5 s
- Fastest top speed304 km/h189 mph
- Most powerful400 hp298 kW
- Highest torque440 Nm325 lb-ft
- Lightest1,415 kg3,120 lb
- Best power-to-weight283 hp/t211 kW/t3.5 kg/hp
- Lowest combined fuel consumption9.5 L/100 km24.8 mpg US29.7 mpg UK
- Lowest city consumption13.3 L/100 km17.7 mpg US21.2 mpg UK
- Lowest highway consumption7.3 L/100 km32.2 mpg US38.7 mpg UK
- Lowest CO2 emissions223 g/km
- Best estimated range674 km419 mi
- Largest trunk340 L
- Best performance score79/100
- Best economy score81/100
Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8
- Best overall score70/100
- Best practicality score56/100
Specification comparison
| Model | Porsche911 (991)Carrera S 3.8 | Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 |
|---|---|---|
| Power | 400hp298kW | 385hp287kW |
| Torque | 440Nm325lb-ft | 420Nm310lb-ft |
| Curb weight | 1,415kg3,120lb | 1,570kg3,461lb |
| Gross weight | 1,830kg4,034lb | 1,950kg4,299lb |
| Top speed | 304 km/h 189 mph | 295 km/h 183 mph |
| To 99% top speed | 62.9s99% target: 301 km/h / 187 mph Calculated | 65.6s99% target: 292 km/h / 181 mph Calculated |
| 0-100 km/h | 4.5s | 4.7s |
| 0-200 km/h | 13.1s Calculated | 14.2s Calculated |
| 0-60 mph | 4.3s Calculated | 4.5s Calculated |
| Fuel consumption | 9.5L/100 km24.8mpg US29.7mpg UK | 10.7L/100 km22mpg US26.4mpg UK |
| Fuel consumption city | 13.3L/100 km17.7mpg US21.2mpg UK | 15.8L/100 km14.9mpg US17.9mpg UK |
| Fuel consumption highway | 7.3L/100 km32.2mpg US38.7mpg UK | 7.7L/100 km30.5mpg US36.7mpg UK |
| Quarter mile | 12.4s Calculated | 12.6s Calculated |
| Power-to-weight | 283hp/t211kW/t128hp/1000 lb Calculated | 245hp/t183kW/t111hp/1000 lb Calculated |
| Torque-to-weight | 311Nm/t208lb-ft/ton Calculated | 268Nm/t179lb-ft/ton Calculated |
| Estimated range | 674km419mi Calculated | 626km389mi Calculated |
| Displacement | 3,800cc232cu in | 3,800cc232cu in |
| Length | 4,491mm177in | 4,435mm175in |
| Width | 1,808mm71in | 1,852mm73in |
| Height | 1,295mm51in | 1,300mm51in |
| Wheelbase | 2,450mm96in | 2,350mm93in |
| Front track | 1,538mm61in | - |
| Rear track | 1,516mm60in | - |
| Trunk volume | 340L | - |
| Max trunk volume | - | 105L |
| Doors | 2 | 2 |
| Seats | 4 | 4 |
| Fuel tank | 64L | 67L |
| CO2 emissions | 223g/km | 251g/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 S 3.8: Power / Torque
- Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Porsche911 (991)Carrera S 3.8 | 7,400 rpm | 5,600 rpm | 7,650 rpm |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 6,500 rpm | 4,200 rpm | 6,750 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Porsche911 (991)Carrera S 3.8 | Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.3 s | 4.5 s |
0-100 km/h 0-62 mph | 4.5 s | 4.7 s |
0-200 km/h 0-124 mph | 13.1 s | 14.2 s |
| Top speed | 304 km/h 189 mph | 295 km/h 183 mph |
| Drag race simulation | ||
60 ft 18 m | 2.2 s | 2.2 s |
330 ft 101 m | 5.6 s | 5.6 s |
1/8 mile 201 m | 8.2 s | 8.4 s |
1000 ft 305 m | 10.5 s | 10.7 s |
1/4 mile 402 m | 12.4 s | 12.6 s |
Trap speed 1/4 mile 402 m | 194 km/h 121 mph | 189 km/h 117 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera S 3.8 | 400 hp 298 kW |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 385 hp 287 kW |
Porsche 911 (991) Carrera S 3.8 has 15 hp more than Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8.
The biggest power difference is between Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8 and Porsche 911 (991) Carrera S 3.8: 15 hp (11 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera S 3.8 | 440 Nm 325 lb-ft |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 420 Nm 310 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera S 3.8 | 1,415 kg 3,120 lb |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 1,570 kg 3,461 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 S 3.8 | 304 km/h 189 mph |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 295 km/h 183 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera S 3.8 | 4.5 s |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 4.7 s |
The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera S 3.8 and Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8: 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 S 3.8 | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 10.7 L/100 km 22.0 mpg US 26.4 mpg UK |
The biggest fuel consumption difference is between Porsche 911 (991) Carrera S 3.8 and Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8: 1.2 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 S 3.8 | 283 hp/t 211 kW/t 3.5 kg/hp |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 245 hp/t 183 kW/t 4.1 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera S 3.8 | 674 km 419 mi |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 626 km 389 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Porsche911 (991)Carrera S 3.8 | 400 hp 298 kW | 4.5 s | 304 km/h 189 mph |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 385 hp 287 kW | 4.7 s | 295 km/h 183 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 S 3.8 |
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| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 |
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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 S 3.8 |
| 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | ||||||
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 |
| 10.7 L/100 km 22.0 mpg US 26.4 mpg UK | ||||||
Porsche 911 (991) Carrera S 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)Carrera S 3.8 | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | 4.5 s |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 10.7 L/100 km 22.0 mpg US 26.4 mpg UK | 4.7 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 S 3.8 | 283 hp/t 211 kW/t 3.5 kg/hp | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 245 hp/t 183 kW/t 4.1 kg/hp | 10.7 L/100 km 22.0 mpg US 26.4 mpg UK |
Detailed score breakdown
| Vehicle | Porsche911 (991)Carrera S 3.8 | Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 400 hp 298 kW | 385 hp 287 kW | ||||||||||||||||
| Torque | 440 Nm 325 lb-ft | 420 Nm 310 lb-ft | ||||||||||||||||
| Acceleration | 4.5 s | 4.7 s | ||||||||||||||||
| Top speed | 304 km/h 189 mph | 295 km/h 183 mph | ||||||||||||||||
| Lightness | 1,415 kg 3,120 lb | 1,570 kg 3,461 lb | ||||||||||||||||
| Fuel consumption | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | 10.7 L/100 km 22.0 mpg US 26.4 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 674 km 419 mi | 626 km 389 mi | ||||||||||||||||
| CO2 score | 223 g/km | 251 g/km | ||||||||||||||||
| Trunk score | 340 L 12.0 cu ft | 105 L 3.7 cu ft | ||||||||||||||||
| Power-to-weight score | 283 hp/t 211 kW/t 3.5 kg/hp | 245 hp/t 183 kW/t 4.1 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 S 3.8 | Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8 |
|---|---|---|
| Consumption | 9.5 L/100 km24.8 mpg US29.7 mpg UK | 10.7 L/100 km22 mpg US26.4 mpg UK |
| Cost / 100 km | 16.63 LC100 km | 18.72 LC100 km |
| Cost / 100 mi | 26.76 LC100 mi | 30.13 LC100 mi |
| Annual fuel used | 1,425 L376 US gal313 UK gal | 1,605 L424 US gal353 UK gal |
| Annual fuel cost | 2,494 LC/year | 2,809 LC/year |
Head-to-head comparisons
Porsche 911 (991) Carrera S 3.8
- Has 15 hp more
- Has 20 Nm more
- Is 155 kg lighter
- Is 0.2 s quicker from 0-100 km/h
- Has 9 km/h (6 mph) higher top speed
- Uses 1.2 L/100 km less fuel
- Has 37 hp/t better power-to-weight
- Has 48 km (30 mi) more estimated range
- Has 235 L more trunk volume
- Emits 28 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 Targa (997) Facelift 2008 Targa 4S 3.8
No measurable advantages in the available data.
Cons
- Slowest 0-100 km/h
- Lowest power
- Highest combined fuel consumption
- Heaviest
- Lowest top speed
- Smallest trunk
- Highest CO2 emissions
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