Porsche 911 (991)
Car comparison
Porsche 911 (991) Carrera 4S 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 4S 3.8
- Quickest 0-100 km/h4.5 s
- Fastest top speed299 km/h186 mph
- Most powerful400 hp298 kW
- Highest torque440 Nm325 lb-ft
- Lightest1,465 kg3,230 lb
- Best power-to-weight273 hp/t204 kW/t3.7 kg/hp
- Lowest combined fuel consumption9.9 L/100 km23.8 mpg US28.5 mpg UK
- Lowest city consumption13.8 L/100 km17.0 mpg US20.5 mpg UK
- Lowest highway consumption7.6 L/100 km30.9 mpg US37.2 mpg UK
- Lowest CO2 emissions233 g/km
- Best estimated range687 km427 mi
- Largest trunk385 L
- Best overall score70/100
- Best performance score79/100
- Best economy score80/100
Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8
- Best practicality score56/100
Specification comparison
| Model | Porsche911 (991)Carrera 4S 3.8 | Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 |
|---|---|---|
| Power | 400hp298kW | 385hp287kW |
| Torque | 440Nm325lb-ft | 420Nm310lb-ft |
| Curb weight | 1,465kg3,230lb | 1,540kg3,395lb |
| Gross weight | 1,875kg4,134lb | 1,920kg4,233lb |
| Top speed | 299 km/h 186 mph | 297 km/h 185 mph |
| To 99% top speed | 64.1s99% target: 296 km/h / 184 mph Calculated | 67.5s99% target: 294 km/h / 183 mph Calculated |
| 0-100 km/h | 4.5s | 4.9s |
| 0-200 km/h | 13.4s Calculated | 14.5s Calculated |
| 0-60 mph | 4.3s Calculated | 4.7s Calculated |
| Fuel consumption | 9.9L/100 km23.8mpg US28.5mpg UK | 11L/100 km21.4mpg US25.7mpg UK |
| Fuel consumption city | 13.8L/100 km17mpg US20.5mpg UK | 16.5L/100 km14.3mpg US17.1mpg UK |
| Fuel consumption highway | 7.6L/100 km30.9mpg US37.2mpg UK | 7.9L/100 km29.8mpg US35.8mpg UK |
| Quarter mile | 12.4s Calculated | 12.8s Calculated |
| Power-to-weight | 273hp/t204kW/t124hp/1000 lb Calculated | 250hp/t186kW/t113hp/1000 lb Calculated |
| Torque-to-weight | 300Nm/t201lb-ft/ton Calculated | 273Nm/t182lb-ft/ton Calculated |
| Estimated range | 687km427mi Calculated | 609km378mi Calculated |
| Displacement | 3,800cc232cu in | 3,800cc232cu in |
| Length | 4,491mm177in | 4,435mm175in |
| Width | 1,852mm73in | 1,852mm73in |
| Height | 1,296mm51in | 1,300mm51in |
| Wheelbase | 2,450mm96in | 2,350mm93in |
| Front track | 1,538mm61in | - |
| Rear track | 1,552mm61in | - |
| Trunk volume | 385L | - |
| Max trunk volume | - | 105L |
| Doors | 2 | 2 |
| Seats | 4 | 4 |
| Fuel tank | 68L | 67L |
| CO2 emissions | 233g/km | 259g/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 4S 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 4S 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 4S 3.8 | Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.3 s | 4.7 s |
0-100 km/h 0-62 mph | 4.5 s | 4.9 s |
0-200 km/h 0-124 mph | 13.4 s | 14.5 s |
| Top speed | 299 km/h 186 mph | 297 km/h 185 mph |
| Drag race simulation | ||
60 ft 18 m | 2.2 s | 2.3 s |
330 ft 101 m | 5.5 s | 5.8 s |
1/8 mile 201 m | 8.2 s | 8.5 s |
1000 ft 305 m | 10.5 s | 10.9 s |
1/4 mile 402 m | 12.4 s | 12.8 s |
Trap speed 1/4 mile 402 m | 192 km/h 119 mph | 187 km/h 116 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4S 3.8 | 400 hp 298 kW |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 385 hp 287 kW |
Porsche 911 (991) Carrera 4S 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 4S 3.8: 15 hp (11 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4S 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 4S 3.8 | 1,465 kg 3,230 lb |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 1,540 kg 3,395 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 4S 3.8 | 299 km/h 186 mph |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 297 km/h 185 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Porsche911 (991)Carrera 4S 3.8 | 4.5 s |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 4.9 s |
The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 4S 3.8 and Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8: 0.4 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 4S 3.8 | 9.9 L/100 km 23.8 mpg US 28.5 mpg UK |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 11.0 L/100 km 21.4 mpg US 25.7 mpg UK |
The biggest fuel consumption difference is between Porsche 911 (991) Carrera 4S 3.8 and Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8: 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 4S 3.8 | 273 hp/t 204 kW/t 3.7 kg/hp |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 250 hp/t 186 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 4S 3.8 | 687 km 427 mi |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 609 km 378 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Porsche911 (991)Carrera 4S 3.8 | 400 hp 298 kW | 4.5 s | 299 km/h 186 mph |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 385 hp 287 kW | 4.9 s | 297 km/h 185 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 4S 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 4S 3.8 |
| 9.9 L/100 km 23.8 mpg US 28.5 mpg UK | ||||||
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 |
| 11.0 L/100 km 21.4 mpg US 25.7 mpg UK | ||||||
Porsche 911 (991) Carrera 4S 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 4S 3.8 | 9.9 L/100 km 23.8 mpg US 28.5 mpg UK | 4.5 s |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 11.0 L/100 km 21.4 mpg US 25.7 mpg UK | 4.9 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 4S 3.8 | 273 hp/t 204 kW/t 3.7 kg/hp | 9.9 L/100 km 23.8 mpg US 28.5 mpg UK |
| Porsche911 Targa (997)Facelift 2008Targa 4S 3.8 | 250 hp/t 186 kW/t 4.0 kg/hp | 11.0 L/100 km 21.4 mpg US 25.7 mpg UK |
Detailed score breakdown
| Vehicle | Porsche911 (991)Carrera 4S 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 | 4.9 s | ||||||||||||||||
| Top speed | 299 km/h 186 mph | 297 km/h 185 mph | ||||||||||||||||
| Lightness | 1,465 kg 3,230 lb | 1,540 kg 3,395 lb | ||||||||||||||||
| Fuel consumption | 9.9 L/100 km 23.8 mpg US 28.5 mpg UK | 11.0 L/100 km 21.4 mpg US 25.7 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 687 km 427 mi | 609 km 378 mi | ||||||||||||||||
| CO2 score | 233 g/km | 259 g/km | ||||||||||||||||
| Trunk score | 385 L 13.6 cu ft | 105 L 3.7 cu ft | ||||||||||||||||
| Power-to-weight score | 273 hp/t 204 kW/t 3.7 kg/hp | 250 hp/t 186 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 4S 3.8 | Porsche 911 Targa (997) Facelift 2008 Targa 4S 3.8 |
|---|---|---|
| Consumption | 9.9 L/100 km23.8 mpg US28.5 mpg UK | 11 L/100 km21.4 mpg US25.7 mpg UK |
| Cost / 100 km | 17.33 LC100 km | 19.25 LC100 km |
| Cost / 100 mi | 27.88 LC100 mi | 30.98 LC100 mi |
| Annual fuel used | 1,485 L392 US gal327 UK gal | 1,650 L436 US gal363 UK gal |
| Annual fuel cost | 2,599 LC/year | 2,888 LC/year |
Head-to-head comparisons
Porsche 911 (991) Carrera 4S 3.8
- Has 15 hp more
- Has 20 Nm more
- Is 75 kg lighter
- Is 0.4 s quicker from 0-100 km/h
- Has 2 km/h (1 mph) higher top speed
- Uses 1.1 L/100 km less fuel
- Has 23 hp/t better power-to-weight
- Has 78 km (48 mi) more estimated range
- Has 280 L more trunk volume
- Emits 26 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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