Car comparison

Mercedes-Benz AMG GT (C190) · Facelift 2017 S 4.0 V8vsPorsche 718 Cayman (982) GT4 RS 4.0

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

New comparison

Mercedes-Benz AMG GT (C190) · Facelift 2017

S 4.0 V8

522 hp3982 ccGasolineRWDDual-clutchTwin-turboCoupe2017-2021
VS

Porsche 718 Cayman (982)

GT4 RS 4.0

493 hp3996 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2022-present

Comparison overview

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

Best choices

Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8

  • Fastest top speed
    325 km/h
    202 mph Unrestricted
    310 km/h
    193 mph Restricted
  • Most powerful
    522 hp
    389 kW
  • Highest torque
    670 Nm
    494 lb-ft
  • Lowest combined fuel consumption
    9.6 L/100 km
    24.5 mpg US
    29.4 mpg UK
  • Best estimated range
    677 km
    421 mi
  • Best overall score
    74/100
  • Best performance score
    91/100
  • Best economy score
    81/100
  • Best practicality score
    39/100

Specification comparison

Specification comparison
ModelMercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8Porsche718 Cayman (982)GT4 RS 4.0
Power
522hp389kW
493hp368kW
Torque
670Nm494lb-ft
449Nm331lb-ft
Curb weight
1,570kg3,461lb
1,464kg3,228lb
Gross weight
1,890kg4,167lb
1,771kg3,904lb
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
Calculated
315 km/h
196 mph
To 99% top speed
56.3s99% target: 322 km/h / 200 mph
Calculated
48.6s99% target: 312 km/h / 194 mph
Calculated
0-100 km/h
3.8s
3.4s
0-200 km/h
10.5s
Calculated
9.6s
Calculated
0-60 mph
3.6s
Calculated
3.3s
Calculated
Fuel consumption
9.6L/100 km24.5mpg US29.4mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
12.5L/100 km18.8mpg US22.6mpg UK
-
Fuel consumption highway
7.9L/100 km29.8mpg US35.8mpg UK
-
Quarter mile
11.5s
Calculated
11.0s
Calculated
Power-to-weight
332hp/t248kW/t151hp/1000 lb
Calculated
337hp/t251kW/t153hp/1000 lb
Calculated
Torque-to-weight
427Nm/t286lb-ft/ton
Calculated
307Nm/t205lb-ft/ton
Calculated
Estimated range
677km421mi
Calculated
520km323mi
Calculated
Displacement
3,982cc243cu in
3,996cc244cu in
Length
4,544mm179in
4,455mm175in
Width-
1,822mm72in
Height
1,287mm51in
1,267mm50in
Wheelbase
2,630mm104in
2,484mm98in
Front track
1,684mm66in
-
Ground clearance
96mm4in
102mm4in
Max trunk volume-
136L
Doors
2
2
Seats
2
2
Fuel tank
65L
64L
CO2 emissions
224g/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.

Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8Porsche 718 Cayman (982) GT4 RS 4.0PowerTorque
  • Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8: Power / Torque
  • Porsche 718 Cayman (982) GT4 RS 4.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V86,250 rpm1,800-5,000 rpm6,500 rpm
Porsche718 Cayman (982)GT4 RS 4.08,400 rpm6,250 rpm9,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8Porsche718 Cayman (982)GT4 RS 4.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
3.3 s
0-100 km/h
0-62 mph
3.8 s
3.4 s
0-200 km/h
0-124 mph
10.5 s
9.6 s
0-200 mph
0-322 km/h
56.7 s
-
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
Likely limited
315 km/h
196 mph
Drag race simulation
60 ft
18 m
2.0 s
1.9 s
330 ft
101 m
5.2 s
4.9 s
1/8 mile
201 m
7.6 s
7.3 s
1000 ft
305 m
9.7 s
9.3 s
1/4 mile
402 m
11.5 s
11.0 s
Trap speed
1/4 mile
402 m
210 km/h
130 mph
215 km/h
134 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
522 hp
389 kW
Porsche718 Cayman (982)GT4 RS 4.0
493 hp
368 kW

Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8 has 29 hp more than Porsche 718 Cayman (982) GT4 RS 4.0.

The biggest power difference is between Porsche 718 Cayman (982) GT4 RS 4.0 and Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8: 29 hp (22 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
670 Nm
494 lb-ft
Porsche718 Cayman (982)GT4 RS 4.0
449 Nm
331 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
1,570 kg
3,461 lb
Porsche718 Cayman (982)GT4 RS 4.0
1,464 kg
3,228 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
Porsche718 Cayman (982)GT4 RS 4.0
315 km/h
196 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V83.8 s
Porsche718 Cayman (982)GT4 RS 4.03.4 s

Although Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8 has more power, Porsche 718 Cayman (982) GT4 RS 4.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 718 Cayman (982) GT4 RS 4.0 and Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8: 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
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Porsche718 Cayman (982)GT4 RS 4.0
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8 and Porsche 718 Cayman (982) GT4 RS 4.0: 2.7 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
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
332 hp/t
248 kW/t
3.0 kg/hp
Porsche718 Cayman (982)GT4 RS 4.0
337 hp/t
251 kW/t
3.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
677 km
421 mi
Porsche718 Cayman (982)GT4 RS 4.0
520 km
323 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
522 hp
389 kW
3.8 s
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
Porsche718 Cayman (982)GT4 RS 4.0
493 hp
368 kW
3.4 s
315 km/h
196 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
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
Power
522 hp
389 kW
0-100 km/h3.8 s
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,544 mm
178.9 in
Height
1,287 mm
50.7 in
Porsche718 Cayman (982)GT4 RS 4.0
Power
493 hp
368 kW
0-100 km/h3.4 s
Top speed
315 km/h
196 mph
Doors/seats
2 doors
2 seats
Trunk
136 L
4.8 cu ft
Length
4,455 mm
175.4 in
Height
1,267 mm
49.9 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
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
Power
522 hp
389 kW
0-100 km/h3.8 s
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Porsche718 Cayman (982)GT4 RS 4.0
Power
493 hp
368 kW
0-100 km/h3.4 s
Top speed
315 km/h
196 mph
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8 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
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
3.8 s
Porsche718 Cayman (982)GT4 RS 4.0
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
3.4 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
Mercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8
332 hp/t
248 kW/t
3.0 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Porsche718 Cayman (982)GT4 RS 4.0
337 hp/t
251 kW/t
3.0 kg/hp
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzAMG GT (C190)Facelift 2017S 4.0 V8Porsche718 Cayman (982)GT4 RS 4.0
Power
522 hp
389 kW
493 hp
368 kW
Torque
670 Nm
494 lb-ft
449 Nm
331 lb-ft
Acceleration
3.8 s
3.4 s
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
315 km/h
196 mph
Lightness
1,570 kg
3,461 lb
1,464 kg
3,228 lb
Fuel consumption
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,544 mm
178.9 in
Height
1,287 mm
50.7 in
Doors/seats
2 doors
2 seats
Trunk
136 L
4.8 cu ft
Length
4,455 mm
175.4 in
Height
1,267 mm
49.9 in
Range score
677 km
421 mi
520 km
323 mi
CO2 score
224 g/km
-
Trunk score
-
136 L
4.8 cu ft
Power-to-weight score
332 hp/t
248 kW/t
3.0 kg/hp
337 hp/t
251 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

Fuel cost and annual usage
VehicleMercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8Porsche 718 Cayman (982) GT4 RS 4.0
Consumption9.6 L/100 km24.5 mpg US29.4 mpg UK12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km16.80 LC100 km21.53 LC100 km
Cost / 100 mi27.04 LC100 mi34.64 LC100 mi
Annual fuel used1,440 L380 US gal317 UK gal1,845 L487 US gal406 UK gal
Annual fuel cost2,520 LC/year3,229 LC/year

Head-to-head comparisons

Mercedes-Benz AMG GT (C190) Facelift 2017 S 4.0 V8

  • Has 29 hp more
  • Has 221 Nm more
  • Has 10 km/h (6 mph) higher top speed
  • Uses 2.7 L/100 km less fuel
  • Has 157 km (97 mi) more estimated range

Pros

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

Cons

  • Slowest 0-100 km/h
  • Heaviest

Porsche 718 Cayman (982) GT4 RS 4.0

  • Is 106 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 4 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz AMG GT (C190) S 4.0 V8
Porsche 718 Cayman (982) GT4 RS 4.0
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