Car comparison

Porsche 911 (991 II) Carrera 4 GTS 3.0vsMaserati GranTurismo I · Facelift 2017 Sport 4.7 V8

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

New comparison

Porsche 911 (991 II)

Carrera 4 GTS 3.0

450 hp2981 ccGasolineAWDManualTwin-turboCoupe2017-2018
VS

Maserati GranTurismo I · Facelift 2017

Sport 4.7 V8

460 hp4691 ccGasolineRWDAutomaticNaturally aspiratedCoupe2017-2019

Comparison overview

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

Best choices

Porsche 911 (991 II) Carrera 4 GTS 3.0

  • Quickest 0-100 km/h
    4.0 s
  • Fastest top speed
    310 km/h
    193 mph
  • Highest torque
    550 Nm
    406 lb-ft
  • Lightest
    1,495 kg
    3,296 lb
  • Best power-to-weight
    301 hp/t
    224 kW/t
    3.3 kg/hp
  • Lowest combined fuel consumption
    9.5 L/100 km
    24.8 mpg US
    29.7 mpg UK
  • Lowest city consumption
    13.0 L/100 km
    18.1 mpg US
    21.7 mpg UK
  • Lowest highway consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest CO2 emissions
    216 g/km
  • Best estimated range
    705 km
    438 mi
  • Largest trunk
    385 L
  • Best overall score
    74/100
  • Best performance score
    85/100
  • Best economy score
    81/100
  • Best practicality score
    51/100

Specification comparison

Specification comparison
ModelPorsche911 (991 II)Carrera 4 GTS 3.0MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
Power
450hp336kW
460hp343kW
Torque
550Nm406lb-ft
520Nm384lb-ft
Curb weight
1,495kg3,296lb
1,780kg3,924lb
Gross weight
1,950kg4,299lb
-
Top speed
310 km/h
193 mph
299 km/h
186 mph
To 99% top speed
87.8s99% target: 307 km/h / 191 mph
Calculated
74.3s99% target: 296 km/h / 184 mph
Calculated
0-100 km/h
4.0s
4.8s
0-200 km/h
13.6s
14.8s
Calculated
0-60 mph
3.8s
Calculated
4.6s
Calculated
Fuel consumption
9.5L/100 km24.8mpg US29.7mpg UK
14.3L/100 km16.4mpg US19.8mpg UK
Fuel consumption city
13L/100 km18.1mpg US21.7mpg UK
21.9L/100 km10.7mpg US12.9mpg UK
Fuel consumption highway
7.4L/100 km31.8mpg US38.2mpg UK
9.8L/100 km24mpg US28.8mpg UK
Quarter mile
12.1s
Calculated
12.8s
Calculated
Power-to-weight
301hp/t224kW/t137hp/1000 lb
Calculated
258hp/t193kW/t117hp/1000 lb
Calculated
Torque-to-weight
368Nm/t246lb-ft/ton
Calculated
292Nm/t195lb-ft/ton
Calculated
Estimated range
705km438mi
Calculated
601km374mi
Calculated
Displacement
2,981cc182cu in
4,691cc286cu in
Length
4,528mm178in
4,910mm193in
Width
1,852mm73in
1,915mm75in
Height
1,284mm51in
1,353mm53in
Wheelbase
2,450mm96in
2,942mm116in
Front track
1,541mm61in
1,586mm62in
Rear track
1,544mm61in
1,590mm63in
Trunk volume-
260L
Max trunk volume
385L
-
Doors
2
2
Seats
4
4
Fuel tank
67L
86L
CO2 emissions
216g/km
331g/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 4 GTS 3.0Maserati GranTurismo I Facelift 2017 Sport 4.7 V8PowerTorque
  • Porsche 911 (991 II) Carrera 4 GTS 3.0: Power / Torque
  • Maserati GranTurismo I Facelift 2017 Sport 4.7 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991 II)Carrera 4 GTS 3.06,500 rpm2,150-5,000 rpm7,500 rpm
MaseratiGranTurismo IFacelift 2017Sport 4.7 V87,000 rpm4,750 rpm7,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991 II)Carrera 4 GTS 3.0MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
4.6 s
0-100 km/h
0-62 mph
4.0 s
4.8 s
0-200 km/h
0-124 mph
13.6 s
14.8 s
Top speed
310 km/h
193 mph
299 km/h
186 mph
Drag race simulation
60 ft
18 m
1.9 s
2.2 s
330 ft
101 m
5.2 s
5.7 s
1/8 mile
201 m
7.8 s
8.4 s
1000 ft
305 m
10.1 s
10.8 s
1/4 mile
402 m
12.1 s
12.8 s
Trap speed
1/4 mile
402 m
189 km/h
118 mph
186 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera 4 GTS 3.0
450 hp
336 kW
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
460 hp
343 kW

Maserati GranTurismo I Facelift 2017 Sport 4.7 V8 has 10 hp more than Porsche 911 (991 II) Carrera 4 GTS 3.0.

The biggest power difference is between Porsche 911 (991 II) Carrera 4 GTS 3.0 and Maserati GranTurismo I Facelift 2017 Sport 4.7 V8: 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 4 GTS 3.0
550 Nm
406 lb-ft
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
520 Nm
384 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera 4 GTS 3.0
1,495 kg
3,296 lb
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
1,780 kg
3,924 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 4 GTS 3.0
310 km/h
193 mph
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
299 km/h
186 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 4 GTS 3.04.0 s
MaseratiGranTurismo IFacelift 2017Sport 4.7 V84.8 s

Although Maserati GranTurismo I Facelift 2017 Sport 4.7 V8 has more power, Porsche 911 (991 II) Carrera 4 GTS 3.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (991 II) Carrera 4 GTS 3.0 and Maserati GranTurismo I Facelift 2017 Sport 4.7 V8: 0.8 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 4 GTS 3.0
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
14.3 L/100 km
16.4 mpg US
19.8 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991 II) Carrera 4 GTS 3.0 and Maserati GranTurismo I Facelift 2017 Sport 4.7 V8: 4.8 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 4 GTS 3.0
301 hp/t
224 kW/t
3.3 kg/hp
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
258 hp/t
193 kW/t
3.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera 4 GTS 3.0
705 km
438 mi
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
601 km
374 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991 II)Carrera 4 GTS 3.0
450 hp
336 kW
4.0 s
310 km/h
193 mph
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
460 hp
343 kW
4.8 s
299 km/h
186 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 4 GTS 3.0
Power
450 hp
336 kW
0-100 km/h4.0 s
Top speed
310 km/h
193 mph
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,528 mm
178.3 in
Height
1,284 mm
50.6 in
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
Power
460 hp
343 kW
0-100 km/h4.8 s
Top speed
299 km/h
186 mph
Doors/seats
2 doors
4 seats
Trunk
260 L
9.2 cu ft
Length
4,910 mm
193.3 in
Height
1,353 mm
53.3 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 4 GTS 3.0
Power
450 hp
336 kW
0-100 km/h4.0 s
Top speed
310 km/h
193 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
Power
460 hp
343 kW
0-100 km/h4.8 s
Top speed
299 km/h
186 mph
14.3 L/100 km
16.4 mpg US
19.8 mpg UK

Porsche 911 (991 II) Carrera 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)Carrera 4 GTS 3.0
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
4.0 s
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
14.3 L/100 km
16.4 mpg US
19.8 mpg UK
4.8 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 4 GTS 3.0
301 hp/t
224 kW/t
3.3 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
258 hp/t
193 kW/t
3.9 kg/hp
14.3 L/100 km
16.4 mpg US
19.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991 II)Carrera 4 GTS 3.0MaseratiGranTurismo IFacelift 2017Sport 4.7 V8
Power
450 hp
336 kW
460 hp
343 kW
Torque
550 Nm
406 lb-ft
520 Nm
384 lb-ft
Acceleration
4.0 s
4.8 s
Top speed
310 km/h
193 mph
299 km/h
186 mph
Lightness
1,495 kg
3,296 lb
1,780 kg
3,924 lb
Fuel consumption
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
14.3 L/100 km
16.4 mpg US
19.8 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,528 mm
178.3 in
Height
1,284 mm
50.6 in
Doors/seats
2 doors
4 seats
Trunk
260 L
9.2 cu ft
Length
4,910 mm
193.3 in
Height
1,353 mm
53.3 in
Range score
705 km
438 mi
601 km
374 mi
CO2 score
216 g/km
331 g/km
Trunk score
385 L
13.6 cu ft
260 L
9.2 cu ft
Power-to-weight score
301 hp/t
224 kW/t
3.3 kg/hp
258 hp/t
193 kW/t
3.9 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 4 GTS 3.0Maserati GranTurismo I Facelift 2017 Sport 4.7 V8
Consumption9.5 L/100 km24.8 mpg US29.7 mpg UK14.3 L/100 km16.4 mpg US19.8 mpg UK
Cost / 100 km16.63 LC100 km25.03 LC100 km
Cost / 100 mi26.76 LC100 mi40.27 LC100 mi
Annual fuel used1,425 L376 US gal313 UK gal2,145 L567 US gal472 UK gal
Annual fuel cost2,494 LC/year3,754 LC/year

Head-to-head comparisons

Porsche 911 (991 II) Carrera 4 GTS 3.0

  • Has 30 Nm more
  • Is 285 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 11 km/h (7 mph) higher top speed
  • Uses 4.8 L/100 km less fuel
  • Has 43 hp/t better power-to-weight
  • Has 104 km (65 mi) more estimated range
  • Has 125 L more trunk volume
  • Emits 115 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
  • Largest trunk

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (991 II) Carrera 4 GTS 3.0
Maserati GranTurismo I Sport 4.7 V8
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2 vehicles selected

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