Car comparison

Porsche 911 (991 II) Carrera S 3.0vsPorsche 911 Targa (991) 4 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 Targa (991)

4 GTS 3.8

430 hp3800 ccGasolineAWDDual-clutchNaturally aspirated2015-2015

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

  • Quickest 0-100 km/h
    4.1 s
  • Fastest top speed
    306 km/h
    190 mph
  • Highest torque
    500 Nm
    369 lb-ft
  • Lightest
    1,460 kg
    3,219 lb
  • Best power-to-weight
    288 hp/t
    215 kW/t
    3.5 kg/hp
  • 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

Specification comparison

Specification comparison
ModelPorsche911 (991 II)Carrera S 3.0Porsche911 Targa (991)4 GTS 3.8
Power
420hp313kW
430hp321kW
Torque
500Nm369lb-ft
440Nm325lb-ft
Curb weight
1,460kg3,219lb
1,580kg3,483lb
Gross weight
1,915kg4,222lb
1,980kg4,365lb
Top speed
306 km/h
190 mph
301 km/h
187 mph
To 99% top speed
58.5s99% target: 303 km/h / 188 mph
Calculated
58.2s99% target: 298 km/h / 185 mph
Calculated
0-100 km/h
4.1s
4.3s
0-200 km/h
11.9s
Calculated
12.5s
Calculated
0-60 mph
3.9s
Calculated
4.1s
Calculated
Fuel consumption
7.7L/100 km30.5mpg US36.7mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption city
10.1L/100 km23.3mpg US28.0mpg UK
12.5L/100 km18.8mpg US22.6mpg UK
Fuel consumption highway
6.4L/100 km36.8mpg US44.1mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
11.9s
Calculated
12.1s
Calculated
Power-to-weight
288hp/t215kW/t130hp/1000 lb
Calculated
272hp/t203kW/t123hp/1000 lb
Calculated
Torque-to-weight
342Nm/t229lb-ft/ton
Calculated
278Nm/t186lb-ft/ton
Calculated
Estimated range
831km516mi
Calculated
739km459mi
Calculated
Displacement
2,981cc182cu in
3,800cc232cu in
Length
4,499mm177in
4,509mm178in
Width
1,808mm71in
1,852mm73in
Height
1,302mm51in
1,291mm51in
Wheelbase
2,450mm96in
2,450mm96in
Front track
1,543mm61in
1,538mm61in
Rear track
1,518mm60in
1,560mm61in
Trunk volume
145L
285L
Max trunk volume
260L
-
Doors
2
2
Seats
4
4
Fuel tank
64L
68L
CO2 emissions
174g/km
214g/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 Targa (991) 4 GTS 3.8PowerTorque
  • Porsche 911 (991 II) Carrera S 3.0: Power / Torque
  • Porsche 911 Targa (991) 4 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 Targa (991)4 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 Targa (991)4 GTS 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.9 s
4.1 s
0-100 km/h
0-62 mph
4.1 s
4.3 s
0-200 km/h
0-124 mph
11.9 s
12.5 s
Top speed
306 km/h
190 mph
301 km/h
187 mph
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.3 s
5.4 s
1/8 mile
201 m
7.9 s
8.1 s
1000 ft
305 m
10.1 s
10.3 s
1/4 mile
402 m
11.9 s
12.1 s
Trap speed
1/4 mile
402 m
200 km/h
124 mph
197 km/h
123 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 Targa (991)4 GTS 3.8
430 hp
321 kW

Porsche 911 Targa (991) 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 Targa (991) 4 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 Targa (991)4 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 Targa (991)4 GTS 3.8
1,580 kg
3,483 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 Targa (991)4 GTS 3.8
301 km/h
187 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 Targa (991)4 GTS 3.84.3 s

Although Porsche 911 Targa (991) 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 Targa (991) 4 GTS 3.8: 0.2 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 Targa (991)4 GTS 3.8
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991 II) Carrera S 3.0 and Porsche 911 Targa (991) 4 GTS 3.8: 1.5 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 Targa (991)4 GTS 3.8
272 hp/t
203 kW/t
3.7 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 Targa (991)4 GTS 3.8
739 km
459 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 Targa (991)4 GTS 3.8
430 hp
321 kW
4.3 s
301 km/h
187 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 Targa (991)4 GTS 3.8
Power
430 hp
321 kW
0-100 km/h4.3 s
Top speed
301 km/h
187 mph
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,509 mm
177.5 in
Height
1,291 mm
50.8 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 Targa (991)4 GTS 3.8
Power
430 hp
321 kW
0-100 km/h4.3 s
Top speed
301 km/h
187 mph
9.2 L/100 km
25.6 mpg US
30.7 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 Targa (991)4 GTS 3.8
9.2 L/100 km
25.6 mpg US
30.7 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)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 Targa (991)4 GTS 3.8
272 hp/t
203 kW/t
3.7 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991 II)Carrera S 3.0Porsche911 Targa (991)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
4.1 s
4.3 s
Top speed
306 km/h
190 mph
301 km/h
187 mph
Lightness
1,460 kg
3,219 lb
1,580 kg
3,483 lb
Fuel consumption
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
9.2 L/100 km
25.6 mpg US
30.7 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
285 L
10.1 cu ft
Length
4,509 mm
177.5 in
Height
1,291 mm
50.8 in
Range score
831 km
516 mi
739 km
459 mi
CO2 score
174 g/km
214 g/km
Trunk score
145 L
5.1 cu ft
285 L
10.1 cu ft
Power-to-weight score
288 hp/t
215 kW/t
3.5 kg/hp
272 hp/t
203 kW/t
3.7 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 Targa (991) 4 GTS 3.8
Consumption7.7 L/100 km30.5 mpg US36.7 mpg UK9.2 L/100 km25.6 mpg US30.7 mpg UK
Cost / 100 km13.48 LC100 km16.10 LC100 km
Cost / 100 mi21.69 LC100 mi25.91 LC100 mi
Annual fuel used1,155 L305 US gal254 UK gal1,380 L365 US gal304 UK gal
Annual fuel cost2,021 LC/year2,415 LC/year

Head-to-head comparisons

Porsche 911 (991 II) Carrera S 3.0

  • Has 60 Nm more
  • Is 120 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Uses 1.5 L/100 km less fuel
  • Has 16 hp/t better power-to-weight
  • Has 92 km (57 mi) more estimated range
  • Emits 40 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Lowest power
  • Smallest trunk

Porsche 911 Targa (991) 4 GTS 3.8

  • Has 10 hp more
  • Has 140 L more trunk volume

Pros

  • Most powerful
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • 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 Targa (991) 4 GTS 3.8
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