Car comparison

Porsche 911 (991 II) GT3 4.0vsPorsche 911 Targa (992) 4 GTS 3.0

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Porsche 911 (991 II)

GT3 4.0

500 hp3996 ccGasolineRWDManualNaturally aspiratedCoupe2017-2018
VS

Porsche 911 Targa (992)

4 GTS 3.0

480 hp2981 ccGasolineAWDManualTwin-turbo2021-2024

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Porsche 911 Targa (992) 4 GTS 3.0

  • Highest torque
    570 Nm
    420 lb-ft
  • Lowest combined fuel consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest city consumption
    15.5 L/100 km
    15.2 mpg US
    18.2 mpg UK
  • Lowest highway consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Best estimated range
    626 km
    389 mi
  • Largest trunk
    163 L
  • Best overall score
    74/100
  • Best economy score
    78/100
  • Best practicality score
    47/100

Porsche 911 (991 II) GT3 4.0

  • Quickest 0-100 km/h
    3.9 s
  • Fastest top speed
    330 km/h
    205 mph Unrestricted
    320 km/h
    199 mph Restricted
  • Most powerful
    500 hp
    373 kW
  • Lightest
    1,413 kg
    3,115 lb
  • Best power-to-weight
    354 hp/t
    264 kW/t
    2.8 kg/hp
  • Best performance score
    87/100

Specification comparison

Specification comparison
ModelPorsche911 (991 II)GT3 4.0Porsche911 Targa (992)4 GTS 3.0
Power
500hp373kW
480hp358kW
Torque
460Nm339lb-ft
570Nm420lb-ft
Curb weight
1,413kg3,115lb
1,650kg3,638lb
Gross weight
1,760kg3,880lb
2,055kg4,530lb
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Calculated
Unrestricted
315 km/h196 mph
Restricted
307 km/h191 mph
Calculated
To 99% top speed
69.5s99% target: 327 km/h / 203 mph
Calculated
82.5s99% target: 312 km/h / 194 mph
Calculated
0-100 km/h
3.9s
4.3s
0-200 km/h
11.4s
13.6s
0-60 mph
3.7s
Calculated
4.1s
Calculated
Fuel consumption
12.9L/100 km18.2mpg US21.9mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption city
19.7L/100 km11.9mpg US14.3mpg UK
15.5L/100 km15.2mpg US18.2mpg UK
Fuel consumption highway
8.8L/100 km26.7mpg US32.1mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
11.7s
Calculated
12.3s
Calculated
Power-to-weight
354hp/t264kW/t161hp/1000 lb
Calculated
291hp/t217kW/t132hp/1000 lb
Calculated
Torque-to-weight
326Nm/t218lb-ft/ton
Calculated
345Nm/t231lb-ft/ton
Calculated
Estimated range
496km308mi
Calculated
626km389mi
Calculated
Displacement
3,996cc244cu in
2,981cc182cu in
Length
4,562mm180in
4,533mm178in
Width
1,852mm73in
1,852mm73in
Height
1,271mm50in
1,301mm51in
Wheelbase
2,457mm97in
2,450mm96in
Front track
1,551mm61in
-
Rear track
1,555mm61in
-
Ground clearance
88mm3in
-
Trunk volume
125L
163L
Doors
2
2
Seats
2
4
Fuel tank
64L
67L
CO2 emissions
290g/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 4.0Porsche 911 Targa (992) 4 GTS 3.0PowerTorque
  • Porsche 911 (991 II) GT3 4.0: Power / Torque
  • Porsche 911 Targa (992) 4 GTS 3.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991 II)GT3 4.08,250 rpm6,000 rpm9,000 rpm
Porsche911 Targa (992)4 GTS 3.06,500 rpm2,300-5,000 rpm7,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991 II)GT3 4.0Porsche911 Targa (992)4 GTS 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
4.1 s
0-100 km/h
0-62 mph
3.9 s
4.3 s
0-200 km/h
0-124 mph
11.4 s
13.6 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
Unrestricted
315 km/h196 mph
Restricted
307 km/h191 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
330 ft
101 m
5.2 s
5.4 s
1/8 mile
201 m
7.7 s
8.1 s
1000 ft
305 m
9.9 s
10.4 s
1/4 mile
402 m
11.7 s
12.3 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
190 km/h
118 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
Porsche911 (991 II)GT3 4.0
500 hp
373 kW
Porsche911 Targa (992)4 GTS 3.0
480 hp
358 kW

Porsche 911 (991 II) GT3 4.0 has 20 hp more than Porsche 911 Targa (992) 4 GTS 3.0.

The biggest power difference is between Porsche 911 Targa (992) 4 GTS 3.0 and Porsche 911 (991 II) GT3 4.0: 20 hp (15 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
Porsche911 (991 II)GT3 4.0
460 Nm
339 lb-ft
Porsche911 Targa (992)4 GTS 3.0
570 Nm
420 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Porsche911 (991 II)GT3 4.0
1,413 kg
3,115 lb
Porsche911 Targa (992)4 GTS 3.0
1,650 kg
3,638 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Porsche911 (991 II)GT3 4.0
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Porsche911 Targa (992)4 GTS 3.0
Unrestricted
315 km/h196 mph
Restricted
307 km/h191 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Porsche911 (991 II)GT3 4.03.9 s
Porsche911 Targa (992)4 GTS 3.04.3 s

The biggest 0-100 km/h difference is between Porsche 911 (991 II) GT3 4.0 and Porsche 911 Targa (992) 4 GTS 3.0: 0.4 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Porsche911 (991 II)GT3 4.0
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
Porsche911 Targa (992)4 GTS 3.0
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

The biggest fuel consumption difference is between Porsche 911 Targa (992) 4 GTS 3.0 and Porsche 911 (991 II) GT3 4.0: 2.2 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Porsche911 (991 II)GT3 4.0
354 hp/t
264 kW/t
2.8 kg/hp
Porsche911 Targa (992)4 GTS 3.0
291 hp/t
217 kW/t
3.4 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Porsche911 (991 II)GT3 4.0
496 km
308 mi
Porsche911 Targa (992)4 GTS 3.0
626 km
389 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991 II)GT3 4.0
500 hp
373 kW
3.9 s
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Porsche911 Targa (992)4 GTS 3.0
480 hp
358 kW
4.3 s
Unrestricted
315 km/h196 mph
Restricted
307 km/h191 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Porsche911 (991 II)GT3 4.0
Power
500 hp
373 kW
0-100 km/h3.9 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Doors/seats
2 doors
2 seats
Trunk
125 L
4.4 cu ft
Length
4,562 mm
179.6 in
Height
1,271 mm
50.0 in
Porsche911 Targa (992)4 GTS 3.0
Power
480 hp
358 kW
0-100 km/h4.3 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
307 km/h191 mph
Doors/seats
2 doors
4 seats
Trunk
163 L
5.8 cu ft
Length
4,533 mm
178.5 in
Height
1,301 mm
51.2 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Porsche911 (991 II)GT3 4.0
Power
500 hp
373 kW
0-100 km/h3.9 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
Porsche911 Targa (992)4 GTS 3.0
Power
480 hp
358 kW
0-100 km/h4.3 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
307 km/h191 mph
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Porsche 911 Targa (992) 4 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.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 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
Porsche911 Targa (992)4 GTS 3.0
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
4.3 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel 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
Porsche911 Targa (992)4 GTS 3.0
291 hp/t
217 kW/t
3.4 kg/hp
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991 II)GT3 4.0Porsche911 Targa (992)4 GTS 3.0
Power
500 hp
373 kW
480 hp
358 kW
Torque
460 Nm
339 lb-ft
570 Nm
420 lb-ft
Acceleration
3.9 s
4.3 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Unrestricted
315 km/h196 mph
Restricted
307 km/h191 mph
Lightness
1,413 kg
3,115 lb
1,650 kg
3,638 lb
Fuel consumption
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
125 L
4.4 cu ft
Length
4,562 mm
179.6 in
Height
1,271 mm
50.0 in
Doors/seats
2 doors
4 seats
Trunk
163 L
5.8 cu ft
Length
4,533 mm
178.5 in
Height
1,301 mm
51.2 in
Range score
496 km
308 mi
626 km
389 mi
CO2 score
290 g/km
-
Trunk score
125 L
4.4 cu ft
163 L
5.8 cu ft
Power-to-weight score
354 hp/t
264 kW/t
2.8 kg/hp
291 hp/t
217 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

Fuel cost and annual usage
VehiclePorsche 911 (991 II) GT3 4.0Porsche 911 Targa (992) 4 GTS 3.0
Consumption12.9 L/100 km18.2 mpg US21.9 mpg UK10.7 L/100 km22 mpg US26.4 mpg UK
Cost / 100 km22.58 LC100 km18.72 LC100 km
Cost / 100 mi36.33 LC100 mi30.13 LC100 mi
Annual fuel used1,935 L511 US gal426 UK gal1,605 L424 US gal353 UK gal
Annual fuel cost3,386 LC/year2,809 LC/year

Head-to-head comparisons

Porsche 911 (991 II) GT3 4.0

  • Has 20 hp more
  • Is 237 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 15 km/h (9 mph) higher top speed
  • Has 63 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Smallest trunk

Porsche 911 Targa (992) 4 GTS 3.0

  • Has 110 Nm more
  • Uses 2.2 L/100 km less fuel
  • Has 130 km (81 mi) more estimated range
  • Has 38 L more trunk volume

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (991 II) GT3 4.0
Porsche 911 Targa (992) 4 GTS 3.0
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Porsche 911 (991 II) GT3 4.0 vs Porsche 911 Targa (992) 4 GTS 3.0 - car comparison - FastVsFaster