Porsche 911 (991 II)
Car comparison
Porsche 911 (991 II) Carrera S 3.0vsPorsche 911 (991) Carrera 4 GTS 3.8
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonPorsche 911 (991)
Carrera 4 GTS 3.8
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Porsche 911 (991 II) Carrera S 3.0
- Quickest 0-100 km/h4.3 s
- Fastest top speed315 km/h196 mph Unrestricted308 km/h191 mph Restricted
- Highest torque500 Nm369 lb-ft
- Lightest1,440 kg3,175 lb
- Lowest combined fuel consumption8.7 L/100 km27.0 mpg US32.5 mpg UK
- Lowest city consumption12.2 L/100 km19.3 mpg US23.2 mpg UK
- Lowest highway consumption6.6 L/100 km35.6 mpg US42.8 mpg UK
- Lowest CO2 emissions199 g/km
- Best estimated range736 km457 mi
- Best overall score70/100
- Best performance score83/100
- Best economy score83/100
Porsche 911 (991) Carrera 4 GTS 3.8
- Most powerful430 hp321 kW
- Best power-to-weight293 hp/t218 kW/t3.4 kg/hp
- Largest trunk385 L
- Best practicality score50/100
Specification comparison
| Model | Porsche911 (991 II)Carrera S 3.0 | Porsche911 (991)Carrera 4 GTS 3.8 |
|---|---|---|
| Power | 420hp313kW | 430hp321kW |
| Torque | 500Nm369lb-ft | 440Nm325lb-ft |
| Curb weight | 1,440kg3,175lb | 1,470kg3,241lb |
| Gross weight | 1,900kg4,189lb | 1,875kg4,134lb |
| Top speed | Unrestricted 315 km/h196 mph Restricted 308 km/h191 mph Calculated | 304 km/h 189 mph |
| To 99% top speed | 63.3s99% target: 312 km/h / 194 mph Calculated | 62.4s99% target: 301 km/h / 187 mph Calculated |
| 0-100 km/h | 4.3s | 4.4s |
| 0-200 km/h | 12.3s Calculated | 12.9s Calculated |
| 0-60 mph | 4.1s Calculated | 4.2s Calculated |
| Fuel consumption | 8.7L/100 km27mpg US32.5mpg UK | 9.9L/100 km23.8mpg US28.5mpg UK |
| Fuel consumption city | 12.2L/100 km19.3mpg US23.2mpg UK | 13.8L/100 km17mpg US20.5mpg UK |
| Fuel consumption highway | 6.6L/100 km35.6mpg US42.8mpg UK | 7.7L/100 km30.5mpg US36.7mpg UK |
| Quarter mile | 12.1s Calculated | 12.3s Calculated |
| Power-to-weight | 292hp/t217kW/t132hp/1000 lb Calculated | 293hp/t218kW/t133hp/1000 lb Calculated |
| Torque-to-weight | 347Nm/t232lb-ft/ton Calculated | 299Nm/t200lb-ft/ton Calculated |
| Estimated range | 736km457mi Calculated | 687km427mi Calculated |
| Displacement | 2,981cc182cu in | 3,800cc232cu in |
| Length | 4,499mm177in | 4,509mm178in |
| Width | 1,808mm71in | 1,852mm73in |
| Height | 1,302mm51in | 1,296mm51in |
| Wheelbase | 2,450mm96in | 2,450mm96in |
| Front track | 1,543mm61in | 1,538mm61in |
| Rear track | 1,518mm60in | 1,560mm61in |
| Trunk volume | 145L | 385L |
| Max trunk volume | 260L | - |
| Doors | 2 | 2 |
| Seats | 4 | 4 |
| Fuel tank | 64L | 68L |
| CO2 emissions | 199g/km | 233g/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) Carrera S 3.0: Power / Torque
- Porsche 911 (991) Carrera 4 GTS 3.8: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Porsche911 (991 II)Carrera S 3.0 | 6,500 rpm | 1,700-5,000 rpm | 6,750 rpm |
| Porsche911 (991)Carrera 4 GTS 3.8 | 7,500 rpm | 5,750 rpm | 7,750 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Porsche911 (991 II)Carrera S 3.0 | Porsche911 (991)Carrera 4 GTS 3.8 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.1 s | 4.2 s |
0-100 km/h 0-62 mph | 4.3 s | 4.4 s |
0-200 km/h 0-124 mph | 12.3 s | 12.9 s |
| Top speed | Unrestricted 315 km/h196 mph Restricted 308 km/h191 mph Likely limited | 304 km/h 189 mph |
| Drag race simulation | ||
60 ft 18 m | 2.1 s | 2.2 s |
330 ft 101 m | 5.4 s | 5.5 s |
1/8 mile 201 m | 8.1 s | 8.1 s |
1000 ft 305 m | 10.3 s | 10.4 s |
1/4 mile 402 m | 12.1 s | 12.3 s |
Trap speed 1/4 mile 402 m | 199 km/h 123 mph | 195 km/h 121 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)Carrera S 3.0 | 420 hp 313 kW |
| Porsche911 (991)Carrera 4 GTS 3.8 | 430 hp 321 kW |
Porsche 911 (991) Carrera 4 GTS 3.8 has 10 hp more than Porsche 911 (991 II) Carrera S 3.0.
The biggest power difference is between Porsche 911 (991 II) Carrera S 3.0 and Porsche 911 (991) Carrera 4 GTS 3.8: 10 hp (7 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)Carrera S 3.0 | 500 Nm 369 lb-ft |
| Porsche911 (991)Carrera 4 GTS 3.8 | 440 Nm 325 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)Carrera S 3.0 | 1,440 kg 3,175 lb |
| Porsche911 (991)Carrera 4 GTS 3.8 | 1,470 kg 3,241 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)Carrera S 3.0 | Unrestricted 315 km/h196 mph Restricted 308 km/h191 mph |
| Porsche911 (991)Carrera 4 GTS 3.8 | 304 km/h 189 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)Carrera S 3.0 | 4.3 s |
| Porsche911 (991)Carrera 4 GTS 3.8 | 4.4 s |
Although Porsche 911 (991) Carrera 4 GTS 3.8 has more power, Porsche 911 (991 II) Carrera S 3.0 is quicker from 0-100 km/h.
The biggest 0-100 km/h difference is between Porsche 911 (991 II) Carrera S 3.0 and Porsche 911 (991) Carrera 4 GTS 3.8: 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 II)Carrera S 3.0 | 8.7 L/100 km 27.0 mpg US 32.5 mpg UK |
| Porsche911 (991)Carrera 4 GTS 3.8 | 9.9 L/100 km 23.8 mpg US 28.5 mpg UK |
The biggest fuel consumption difference is between Porsche 911 (991 II) Carrera S 3.0 and Porsche 911 (991) Carrera 4 GTS 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 II)Carrera S 3.0 | 292 hp/t 217 kW/t 3.4 kg/hp |
| Porsche911 (991)Carrera 4 GTS 3.8 | 293 hp/t 218 kW/t 3.4 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)Carrera S 3.0 | 736 km 457 mi |
| Porsche911 (991)Carrera 4 GTS 3.8 | 687 km 427 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Porsche911 (991 II)Carrera S 3.0 | 420 hp 313 kW | 4.3 s | Unrestricted 315 km/h196 mph Restricted 308 km/h191 mph |
| Porsche911 (991)Carrera 4 GTS 3.8 | 430 hp 321 kW | 4.4 s | 304 km/h 189 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)Carrera S 3.0 |
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| Porsche911 (991)Carrera 4 GTS 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 II)Carrera S 3.0 |
| 8.7 L/100 km 27.0 mpg US 32.5 mpg UK | ||||||
| Porsche911 (991)Carrera 4 GTS 3.8 |
| 9.9 L/100 km 23.8 mpg US 28.5 mpg UK | ||||||
Porsche 911 (991 II) Carrera S 3.0 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)Carrera S 3.0 | 8.7 L/100 km 27.0 mpg US 32.5 mpg UK | 4.3 s |
| Porsche911 (991)Carrera 4 GTS 3.8 | 9.9 L/100 km 23.8 mpg US 28.5 mpg UK | 4.4 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)Carrera S 3.0 | 292 hp/t 217 kW/t 3.4 kg/hp | 8.7 L/100 km 27.0 mpg US 32.5 mpg UK |
| Porsche911 (991)Carrera 4 GTS 3.8 | 293 hp/t 218 kW/t 3.4 kg/hp | 9.9 L/100 km 23.8 mpg US 28.5 mpg UK |
Detailed score breakdown
| Vehicle | Porsche911 (991 II)Carrera S 3.0 | Porsche911 (991)Carrera 4 GTS 3.8 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 420 hp 313 kW | 430 hp 321 kW | ||||||||||||||||
| Torque | 500 Nm 369 lb-ft | 440 Nm 325 lb-ft | ||||||||||||||||
| Acceleration | 4.3 s | 4.4 s | ||||||||||||||||
| Top speed | Unrestricted 315 km/h196 mph Restricted 308 km/h191 mph | 304 km/h 189 mph | ||||||||||||||||
| Lightness | 1,440 kg 3,175 lb | 1,470 kg 3,241 lb | ||||||||||||||||
| Fuel consumption | 8.7 L/100 km 27.0 mpg US 32.5 mpg UK | 9.9 L/100 km 23.8 mpg US 28.5 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 736 km 457 mi | 687 km 427 mi | ||||||||||||||||
| CO2 score | 199 g/km | 233 g/km | ||||||||||||||||
| Trunk score | 145 L 5.1 cu ft | 385 L 13.6 cu ft | ||||||||||||||||
| Power-to-weight score | 292 hp/t 217 kW/t 3.4 kg/hp | 293 hp/t 218 kW/t 3.4 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) Carrera S 3.0 | Porsche 911 (991) Carrera 4 GTS 3.8 |
|---|---|---|
| Consumption | 8.7 L/100 km27 mpg US32.5 mpg UK | 9.9 L/100 km23.8 mpg US28.5 mpg UK |
| Cost / 100 km | 15.22 LC100 km | 17.33 LC100 km |
| Cost / 100 mi | 24.50 LC100 mi | 27.88 LC100 mi |
| Annual fuel used | 1,305 L345 US gal287 UK gal | 1,485 L392 US gal327 UK gal |
| Annual fuel cost | 2,284 LC/year | 2,599 LC/year |
Head-to-head comparisons
Porsche 911 (991 II) Carrera S 3.0
- Has 60 Nm more
- Is 30 kg lighter
- Is 0.1 s quicker from 0-100 km/h
- Has 11 km/h (7 mph) higher top speed
- Uses 1.2 L/100 km less fuel
- Has 49 km (30 mi) more estimated range
- Emits 34 g/km less CO2
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Highest torque
- Lightest
- Lowest combined fuel consumption
- Best estimated range
Cons
- Lowest power
- Smallest trunk
Porsche 911 (991) Carrera 4 GTS 3.8
- Has 10 hp more
- Has 1 hp/t better power-to-weight
- Has 240 L more trunk volume
Pros
- Most powerful
- Best power-to-weight ratio
- Largest trunk
Cons
- Slowest 0-100 km/h
- Highest combined fuel consumption
- Heaviest
- Lowest top speed
- Highest CO2 emissions
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