Porsche 911 (991 II)
Car comparison
Porsche 911 (991 II) GT3 4.0vsBMW M4 (F82) GTS 3.0
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonBMW M4 (F82)
GTS 3.0
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
BMW M4 (F82) GTS 3.0
- Quickest 0-100 km/h3.8 s
- Highest torque600 Nm443 lb-ft
- Lowest combined fuel consumption8.5 L/100 km27.7 mpg US33.2 mpg UK
- Lowest city consumption11.2 L/100 km21.0 mpg US25.2 mpg UK
- Lowest highway consumption7.0 L/100 km33.6 mpg US40.4 mpg UK
- Lowest CO2 emissions199 g/km
- Best estimated range706 km439 mi
- Largest trunk445 L
- Best overall score74/100
- Best performance score88/100
- Best economy score84/100
- Best practicality score44/100
Porsche 911 (991 II) GT3 4.0
- Fastest top speed330 km/h205 mph Unrestricted320 km/h199 mph Restricted
- Most powerful500 hp373 kW
- Lightest1,413 kg3,115 lb
- Best power-to-weight354 hp/t264 kW/t2.8 kg/hp
Specification comparison
| Model | Porsche911 (991 II)GT3 4.0 | BMWM4 (F82)GTS 3.0 |
|---|---|---|
| Power | 500hp373kW | 500hp373kW |
| Torque | 460Nm339lb-ft | 600Nm443lb-ft |
| Curb weight | 1,413kg3,115lb | 1,510kg3,329lb |
| Gross weight | 1,760kg3,880lb | 1,900kg4,189lb |
| Top speed | Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph Calculated | 305 km/h 190 mph |
| To 99% top speed | 69.5s99% target: 327 km/h / 203 mph Calculated | 56.0s99% target: 302 km/h / 188 mph Calculated |
| 0-100 km/h | 3.9s | 3.8s |
| 0-200 km/h | 11.4s | 11.2s Calculated |
| 0-60 mph | 3.7s Calculated | 3.6s Calculated |
| Fuel consumption | 12.9L/100 km18.2mpg US21.9mpg UK | 8.5L/100 km27.7mpg US33.2mpg UK |
| Fuel consumption city | 19.7L/100 km11.9mpg US14.3mpg UK | 11.2L/100 km21mpg US25.2mpg UK |
| Fuel consumption highway | 8.8L/100 km26.7mpg US32.1mpg UK | 7L/100 km33.6mpg US40.4mpg UK |
| Quarter mile | 11.7s Calculated | 11.6s Calculated |
| Power-to-weight | 354hp/t264kW/t161hp/1000 lb Calculated | 331hp/t247kW/t150hp/1000 lb Calculated |
| Torque-to-weight | 326Nm/t218lb-ft/ton Calculated | 397Nm/t266lb-ft/ton Calculated |
| Estimated range | 496km308mi Calculated | 706km439mi Calculated |
| Displacement | 3,996cc244cu in | 2,979cc182cu in |
| Length | 4,562mm180in | 4,689mm185in |
| Width | 1,852mm73in | 1,870mm74in |
| Height | 1,271mm50in | 1,383mm54in |
| Wheelbase | 2,457mm97in | 2,812mm111in |
| Front track | 1,551mm61in | 1,596mm63in |
| Rear track | 1,555mm61in | 1,604mm63in |
| Ground clearance | 88mm3in | 108mm4in |
| Trunk volume | 125L | 445L |
| Doors | 2 | 2 |
| Seats | 2 | 2 |
| Fuel tank | 64L | 60L |
| CO2 emissions | 290g/km | 199g/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) GT3 4.0: Power / Torque
- BMW M4 (F82) GTS 3.0: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Porsche911 (991 II)GT3 4.0 | 8,250 rpm | 6,000 rpm | 9,000 rpm |
| BMWM4 (F82)GTS 3.0 | 6,250 rpm | 4,000-5,500 rpm | 6,500 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Porsche911 (991 II)GT3 4.0 | BMWM4 (F82)GTS 3.0 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 3.7 s | 3.6 s |
0-100 km/h 0-62 mph | 3.9 s | 3.8 s |
0-200 km/h 0-124 mph | 11.4 s | 11.2 s |
0-200 mph 0-322 km/h | 54.3 s | - |
| Top speed | Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph Likely limited | 305 km/h 190 mph |
| Drag race simulation | ||
60 ft 18 m | 2.0 s | 2.0 s |
330 ft 101 m | 5.2 s | 5.1 s |
1/8 mile 201 m | 7.7 s | 7.7 s |
1000 ft 305 m | 9.9 s | 9.8 s |
1/4 mile 402 m | 11.7 s | 11.6 s |
Trap speed 1/4 mile 402 m | 203 km/h 126 mph | 203 km/h 126 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT3 4.0 | 500 hp 373 kW |
| BMWM4 (F82)GTS 3.0 | 500 hp 373 kW |
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT3 4.0 | 460 Nm 339 lb-ft |
| BMWM4 (F82)GTS 3.0 | 600 Nm 443 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT3 4.0 | 1,413 kg 3,115 lb |
| BMWM4 (F82)GTS 3.0 | 1,510 kg 3,329 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)GT3 4.0 | Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph |
| BMWM4 (F82)GTS 3.0 | 305 km/h 190 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT3 4.0 | 3.9 s |
| BMWM4 (F82)GTS 3.0 | 3.8 s |
The biggest 0-100 km/h difference is between BMW M4 (F82) GTS 3.0 and Porsche 911 (991 II) GT3 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 (991 II)GT3 4.0 | 12.9 L/100 km 18.2 mpg US 21.9 mpg UK |
| BMWM4 (F82)GTS 3.0 | 8.5 L/100 km 27.7 mpg US 33.2 mpg UK |
The biggest fuel consumption difference is between BMW M4 (F82) GTS 3.0 and Porsche 911 (991 II) GT3 4.0: 4.4 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)GT3 4.0 | 354 hp/t 264 kW/t 2.8 kg/hp |
| BMWM4 (F82)GTS 3.0 | 331 hp/t 247 kW/t 3.0 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Porsche911 (991 II)GT3 4.0 | 496 km 308 mi |
| BMWM4 (F82)GTS 3.0 | 706 km 439 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Porsche911 (991 II)GT3 4.0 | 500 hp 373 kW | 3.9 s | Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph |
| BMWM4 (F82)GTS 3.0 | 500 hp 373 kW | 3.8 s | 305 km/h 190 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)GT3 4.0 |
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| BMWM4 (F82)GTS 3.0 |
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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 (991 II)GT3 4.0 |
| 12.9 L/100 km 18.2 mpg US 21.9 mpg UK | ||||||
| BMWM4 (F82)GTS 3.0 |
| 8.5 L/100 km 27.7 mpg US 33.2 mpg UK | ||||||
BMW M4 (F82) GTS 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)GT3 4.0 | 12.9 L/100 km 18.2 mpg US 21.9 mpg UK | 3.9 s |
| BMWM4 (F82)GTS 3.0 | 8.5 L/100 km 27.7 mpg US 33.2 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 (991 II)GT3 4.0 | 354 hp/t 264 kW/t 2.8 kg/hp | 12.9 L/100 km 18.2 mpg US 21.9 mpg UK |
| BMWM4 (F82)GTS 3.0 | 331 hp/t 247 kW/t 3.0 kg/hp | 8.5 L/100 km 27.7 mpg US 33.2 mpg UK |
Detailed score breakdown
| Vehicle | Porsche911 (991 II)GT3 4.0 | BMWM4 (F82)GTS 3.0 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 500 hp 373 kW | 500 hp 373 kW | ||||||||||||||||
| Torque | 460 Nm 339 lb-ft | 600 Nm 443 lb-ft | ||||||||||||||||
| Acceleration | 3.9 s | 3.8 s | ||||||||||||||||
| Top speed | Unrestricted 330 km/h205 mph Restricted 320 km/h199 mph | 305 km/h 190 mph | ||||||||||||||||
| Lightness | 1,413 kg 3,115 lb | 1,510 kg 3,329 lb | ||||||||||||||||
| Fuel consumption | 12.9 L/100 km 18.2 mpg US 21.9 mpg UK | 8.5 L/100 km 27.7 mpg US 33.2 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 496 km 308 mi | 706 km 439 mi | ||||||||||||||||
| CO2 score | 290 g/km | 199 g/km | ||||||||||||||||
| Trunk score | 125 L 4.4 cu ft | 445 L 15.7 cu ft | ||||||||||||||||
| Power-to-weight score | 354 hp/t 264 kW/t 2.8 kg/hp | 331 hp/t 247 kW/t 3.0 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 II) GT3 4.0 | BMW M4 (F82) GTS 3.0 |
|---|---|---|
| Consumption | 12.9 L/100 km18.2 mpg US21.9 mpg UK | 8.5 L/100 km27.7 mpg US33.2 mpg UK |
| Cost / 100 km | 22.58 LC100 km | 14.88 LC100 km |
| Cost / 100 mi | 36.33 LC100 mi | 23.94 LC100 mi |
| Annual fuel used | 1,935 L511 US gal426 UK gal | 1,275 L337 US gal280 UK gal |
| Annual fuel cost | 3,386 LC/year | 2,231 LC/year |
Head-to-head comparisons
Porsche 911 (991 II) GT3 4.0
- Is 97 kg lighter
- Has 25 km/h (16 mph) higher top speed
- Has 23 hp/t better power-to-weight
Pros
- Highest top speed
- Most powerful
- Lightest
- Best power-to-weight ratio
Cons
- Slowest 0-100 km/h
- Highest combined fuel consumption
- Smallest trunk
- Highest CO2 emissions
BMW M4 (F82) GTS 3.0
- Has 140 Nm more
- Is 0.1 s quicker from 0-100 km/h
- Uses 4.4 L/100 km less fuel
- Has 210 km (130 mi) more estimated range
- Has 320 L more trunk volume
- Emits 91 g/km less CO2
Pros
- Quickest 0-100 km/h in this comparison
- Highest torque
- Lowest combined fuel consumption
- Best estimated range
- Largest trunk
Cons
- Heaviest
- Lowest top speed
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