Car comparison

Porsche 911 (991 II) Carrera S 3.0vsPorsche 911 (991) Carrera GTS 3.8

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

New comparison

Porsche 911 (991 II)

Carrera S 3.0

420 hp2981 ccGasolineRWDDual-clutchTwin-turboCoupe2015-2018
VS

Porsche 911 (991)

Carrera GTS 3.8

430 hp3800 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2014-2015

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

  • Fastest top speed
    306 km/h
    190 mph
  • Highest torque
    500 Nm
    369 lb-ft
  • Lowest combined fuel consumption
    7.7 L/100 km
    30.5 mpg US
    36.7 mpg UK
  • Lowest city consumption
    10.1 L/100 km
    23.3 mpg US
    28.0 mpg UK
  • Lowest highway consumption
    6.4 L/100 km
    36.8 mpg US
    44.1 mpg UK
  • Lowest CO2 emissions
    174 g/km
  • Best estimated range
    831 km
    516 mi
  • Best performance score
    82/100
  • Best economy score
    86/100

Porsche 911 (991) Carrera GTS 3.8

  • Quickest 0-100 km/h
    4.0 s
  • Most powerful
    430 hp
    321 kW
  • Lightest
    1,445 kg
    3,186 lb
  • Best power-to-weight
    298 hp/t
    222 kW/t
    3.4 kg/hp
  • Largest trunk
    385 L
  • Best overall score
    72/100
  • Best practicality score
    50/100

Specification comparison

Specification comparison
ModelPorsche911 (991 II)Carrera S 3.0Porsche911 (991)Carrera GTS 3.8
Power
420hp313kW
430hp321kW
Torque
500Nm369lb-ft
440Nm325lb-ft
Curb weight
1,460kg3,219lb
1,445kg3,186lb
Gross weight
1,915kg4,222lb
1,870kg4,123lb
Top speed
306 km/h
190 mph
304 km/h
189 mph
To 99% top speed
58.5s99% target: 303 km/h / 188 mph
Calculated
56.2s99% target: 301 km/h / 187 mph
Calculated
0-100 km/h
4.1s
4.0s
0-200 km/h
11.9s
Calculated
11.6s
Calculated
0-60 mph
3.9s
Calculated
3.8s
Calculated
Fuel consumption
7.7L/100 km30.5mpg US36.7mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption city
10.1L/100 km23.3mpg US28.0mpg UK
12.2L/100 km19.3mpg US23.2mpg UK
Fuel consumption highway
6.4L/100 km36.8mpg US44.1mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Quarter mile
11.9s
Calculated
11.8s
Calculated
Power-to-weight
288hp/t215kW/t130hp/1000 lb
Calculated
298hp/t222kW/t135hp/1000 lb
Calculated
Torque-to-weight
342Nm/t229lb-ft/ton
Calculated
304Nm/t204lb-ft/ton
Calculated
Estimated range
831km516mi
Calculated
736km457mi
Calculated
Displacement
2,981cc182cu in
3,800cc232cu in
Length
4,499mm177in
4,509mm178in
Width
1,808mm71in
1,852mm73in
Height
1,302mm51in
1,295mm51in
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
64L
CO2 emissions
174g/km
202g/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 3.0Porsche 911 (991) Carrera GTS 3.8PowerTorque
  • Porsche 911 (991 II) Carrera S 3.0: Power / Torque
  • Porsche 911 (991) Carrera GTS 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991 II)Carrera S 3.06,500 rpm1,700-5,000 rpm6,750 rpm
Porsche911 (991)Carrera GTS 3.87,500 rpm5,750 rpm7,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991 II)Carrera S 3.0Porsche911 (991)Carrera GTS 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.9 s
3.8 s
0-100 km/h
0-62 mph
4.1 s
4.0 s
0-200 km/h
0-124 mph
11.9 s
11.6 s
Top speed
306 km/h
190 mph
304 km/h
189 mph
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.3 s
5.3 s
1/8 mile
201 m
7.9 s
7.8 s
1000 ft
305 m
10.1 s
10.0 s
1/4 mile
402 m
11.9 s
11.8 s
Trap speed
1/4 mile
402 m
200 km/h
124 mph
201 km/h
125 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera S 3.0
420 hp
313 kW
Porsche911 (991)Carrera GTS 3.8
430 hp
321 kW

Porsche 911 (991) Carrera 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 GTS 3.8: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera S 3.0
500 Nm
369 lb-ft
Porsche911 (991)Carrera GTS 3.8
440 Nm
325 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera S 3.0
1,460 kg
3,219 lb
Porsche911 (991)Carrera GTS 3.8
1,445 kg
3,186 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)Carrera S 3.0
306 km/h
190 mph
Porsche911 (991)Carrera 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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera S 3.04.1 s
Porsche911 (991)Carrera GTS 3.84.0 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera GTS 3.8 and Porsche 911 (991 II) Carrera S 3.0: 0.1 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)Carrera S 3.0
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
Porsche911 (991)Carrera GTS 3.8
8.7 L/100 km
27.0 mpg US
32.5 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991 II) Carrera S 3.0 and Porsche 911 (991) Carrera GTS 3.8: 1.0 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)Carrera S 3.0
288 hp/t
215 kW/t
3.5 kg/hp
Porsche911 (991)Carrera GTS 3.8
298 hp/t
222 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)Carrera S 3.0
831 km
516 mi
Porsche911 (991)Carrera GTS 3.8
736 km
457 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991 II)Carrera S 3.0
420 hp
313 kW
4.1 s
306 km/h
190 mph
Porsche911 (991)Carrera GTS 3.8
430 hp
321 kW
4.0 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.

Chart data table
VehiclePerformance scorePracticality score
Porsche911 (991 II)Carrera S 3.0
Power
420 hp
313 kW
0-100 km/h4.1 s
Top speed
306 km/h
190 mph
Doors/seats
2 doors
4 seats
Trunk
145 L
5.1 cu ft
Length
4,499 mm
177.1 in
Height
1,302 mm
51.3 in
Porsche911 (991)Carrera GTS 3.8
Power
430 hp
321 kW
0-100 km/h4.0 s
Top speed
304 km/h
189 mph
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,509 mm
177.5 in
Height
1,295 mm
51.0 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)Carrera S 3.0
Power
420 hp
313 kW
0-100 km/h4.1 s
Top speed
306 km/h
190 mph
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
Porsche911 (991)Carrera GTS 3.8
Power
430 hp
321 kW
0-100 km/h4.0 s
Top speed
304 km/h
189 mph
8.7 L/100 km
27.0 mpg US
32.5 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.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Porsche911 (991 II)Carrera S 3.0
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
4.1 s
Porsche911 (991)Carrera GTS 3.8
8.7 L/100 km
27.0 mpg US
32.5 mpg UK
4.0 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)Carrera S 3.0
288 hp/t
215 kW/t
3.5 kg/hp
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
Porsche911 (991)Carrera GTS 3.8
298 hp/t
222 kW/t
3.4 kg/hp
8.7 L/100 km
27.0 mpg US
32.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991 II)Carrera S 3.0Porsche911 (991)Carrera GTS 3.8
Power
420 hp
313 kW
430 hp
321 kW
Torque
500 Nm
369 lb-ft
440 Nm
325 lb-ft
Acceleration
4.1 s
4.0 s
Top speed
306 km/h
190 mph
304 km/h
189 mph
Lightness
1,460 kg
3,219 lb
1,445 kg
3,186 lb
Fuel consumption
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
8.7 L/100 km
27.0 mpg US
32.5 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
145 L
5.1 cu ft
Length
4,499 mm
177.1 in
Height
1,302 mm
51.3 in
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,509 mm
177.5 in
Height
1,295 mm
51.0 in
Range score
831 km
516 mi
736 km
457 mi
CO2 score
174 g/km
202 g/km
Trunk score
145 L
5.1 cu ft
385 L
13.6 cu ft
Power-to-weight score
288 hp/t
215 kW/t
3.5 kg/hp
298 hp/t
222 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) Carrera S 3.0Porsche 911 (991) Carrera GTS 3.8
Consumption7.7 L/100 km30.5 mpg US36.7 mpg UK8.7 L/100 km27 mpg US32.5 mpg UK
Cost / 100 km13.48 LC100 km15.22 LC100 km
Cost / 100 mi21.69 LC100 mi24.50 LC100 mi
Annual fuel used1,155 L305 US gal254 UK gal1,305 L345 US gal287 UK gal
Annual fuel cost2,021 LC/year2,284 LC/year

Head-to-head comparisons

Porsche 911 (991 II) Carrera S 3.0

  • Has 60 Nm more
  • Has 2 km/h (1 mph) higher top speed
  • Uses 1.0 L/100 km less fuel
  • Has 96 km (59 mi) more estimated range
  • Emits 28 g/km less CO2

Pros

  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Smallest trunk

Porsche 911 (991) Carrera GTS 3.8

  • Has 10 hp more
  • Is 15 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Has 10 hp/t better power-to-weight
  • Has 240 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (991 II) Carrera S 3.0
Porsche 911 (991) Carrera GTS 3.8
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