Car comparison

Mercedes-Benz AMG GT (C192) 55 V8vsPorsche Cayenne III · Facelift 2023 S 4.0 V8

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

New comparison

Mercedes-Benz AMG GT (C192)

55 V8

476 hp3982 ccGasolineAWDAutomaticTurbochargedCoupe2023-present
VS

Porsche Cayenne III · Facelift 2023

S 4.0 V8

474 hp3996 ccGasolineAWDAutomaticTwin-turboCoupe2023-present

Comparison overview

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

Best choices

Mercedes-Benz AMG GT (C192) 55 V8

  • Quickest 0-100 km/h
    3.9 s
  • Fastest top speed
    295 km/h
    183 mph
  • Most powerful
    476 hp
    355 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    1,895 kg
    4,178 lb
  • Best power-to-weight
    251 hp/t
    187 kW/t
    4.0 kg/hp
  • Best overall score
    76/100
  • Best performance score
    87/100

Porsche Cayenne III Facelift 2023 S 4.0 V8

  • Lowest combined fuel consumption
    13.4 L/100 km
    17.6 mpg US
    21.1 mpg UK
  • Best estimated range
    672 km
    417 mi
  • Largest trunk
    554 L
  • Best economy score
    71/100
  • Best practicality score
    69/100

Specification comparison

Specification comparison
ModelMercedes-BenzAMG GT (C192)55 V8PorscheCayenne IIIFacelift 2023S 4.0 V8
Power
476hp355kW
474hp353kW
Torque
700Nm516lb-ft
600Nm443lb-ft
Curb weight
1,895kg4,178lb
2,190kg4,828lb
Gross weight-
2,910kg6,415lb
Top speed
295 km/h
183 mph
273 km/h
170 mph
To 99% top speed
61.0s99% target: 292 km/h / 181 mph
Calculated
90.7s99% target: 270 km/h / 168 mph
Calculated
0-100 km/h
3.9s
4.7s
0-200 km/h
12.3s
Calculated
18.3s
0-60 mph
3.7s
Calculated
4.4s
Calculated
Fuel consumption
14.1L/100 km16.7mpg US20.0mpg UK
13.4L/100 km17.6mpg US21.1mpg UK
Quarter mile
11.8s
Calculated
12.9s
Calculated
Power-to-weight
251hp/t187kW/t114hp/1000 lb
Calculated
216hp/t161kW/t98hp/1000 lb
Calculated
Torque-to-weight
369Nm/t247lb-ft/ton
Calculated
274Nm/t183lb-ft/ton
Calculated
Estimated range
496km308mi
Calculated
672km417mi
Calculated
Displacement
3,982cc243cu in
3,996cc244cu in
Length
4,728mm186in
4,930mm194in
Width
1,984mm78in
1,983mm78in
Height
1,354mm53in
1,678mm66in
Wheelbase
2,700mm106in
2,895mm114in
Front track
1,683mm66in
-
Rear track
1,686mm66in
-
Ground clearance-
192mm8in
Trunk volume
321L
554L
Max trunk volume
675L
1,502L
Doors
3
5
Seats
4
4
Fuel tank
70L
90L

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 (C192) 55 V8Porsche Cayenne III Facelift 2023 S 4.0 V8PowerTorque
  • Mercedes-Benz AMG GT (C192) 55 V8: Power / Torque
  • Porsche Cayenne III Facelift 2023 S 4.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzAMG GT (C192)55 V85,500-6,500 rpm2,250-4,500 rpm6,750 rpm
PorscheCayenne IIIFacelift 2023S 4.0 V86,000 rpm2,000-5,000 rpm6,800 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzAMG GT (C192)55 V8PorscheCayenne IIIFacelift 2023S 4.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
4.4 s
0-100 km/h
0-62 mph
3.9 s
4.7 s
0-200 km/h
0-124 mph
12.3 s
18.3 s
Top speed
295 km/h
183 mph
273 km/h
170 mph
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
330 ft
101 m
5.2 s
5.5 s
1/8 mile
201 m
7.8 s
8.3 s
1000 ft
305 m
10.0 s
10.9 s
1/4 mile
402 m
11.8 s
12.9 s
Trap speed
1/4 mile
402 m
196 km/h
122 mph
173 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C192)55 V8
476 hp
355 kW
PorscheCayenne IIIFacelift 2023S 4.0 V8
474 hp
353 kW

Mercedes-Benz AMG GT (C192) 55 V8 has 2 hp more than Porsche Cayenne III Facelift 2023 S 4.0 V8.

The biggest power difference is between Porsche Cayenne III Facelift 2023 S 4.0 V8 and Mercedes-Benz AMG GT (C192) 55 V8: 2 hp (1 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C192)55 V8
700 Nm
516 lb-ft
PorscheCayenne IIIFacelift 2023S 4.0 V8
600 Nm
443 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C192)55 V8
1,895 kg
4,178 lb
PorscheCayenne IIIFacelift 2023S 4.0 V8
2,190 kg
4,828 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 (C192)55 V8
295 km/h
183 mph
PorscheCayenne IIIFacelift 2023S 4.0 V8
273 km/h
170 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 (C192)55 V83.9 s
PorscheCayenne IIIFacelift 2023S 4.0 V84.7 s

The biggest 0-100 km/h difference is between Mercedes-Benz AMG GT (C192) 55 V8 and Porsche Cayenne III Facelift 2023 S 4.0 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
Mercedes-BenzAMG GT (C192)55 V8
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
PorscheCayenne IIIFacelift 2023S 4.0 V8
13.4 L/100 km
17.6 mpg US
21.1 mpg UK

The biggest fuel consumption difference is between Porsche Cayenne III Facelift 2023 S 4.0 V8 and Mercedes-Benz AMG GT (C192) 55 V8: 0.7 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 (C192)55 V8
251 hp/t
187 kW/t
4.0 kg/hp
PorscheCayenne IIIFacelift 2023S 4.0 V8
216 hp/t
161 kW/t
4.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT (C192)55 V8
496 km
308 mi
PorscheCayenne IIIFacelift 2023S 4.0 V8
672 km
417 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzAMG GT (C192)55 V8
476 hp
355 kW
3.9 s
295 km/h
183 mph
PorscheCayenne IIIFacelift 2023S 4.0 V8
474 hp
353 kW
4.7 s
273 km/h
170 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 (C192)55 V8
Power
476 hp
355 kW
0-100 km/h3.9 s
Top speed
295 km/h
183 mph
Doors/seats
3 doors
4 seats
Trunk
321 L
11.3 cu ft
Length
4,728 mm
186.1 in
Height
1,354 mm
53.3 in
PorscheCayenne IIIFacelift 2023S 4.0 V8
Power
474 hp
353 kW
0-100 km/h4.7 s
Top speed
273 km/h
170 mph
Doors/seats
5 doors
4 seats
Trunk
554 L
19.6 cu ft
Length
4,930 mm
194.1 in
Height
1,678 mm
66.1 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 (C192)55 V8
Power
476 hp
355 kW
0-100 km/h3.9 s
Top speed
295 km/h
183 mph
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
PorscheCayenne IIIFacelift 2023S 4.0 V8
Power
474 hp
353 kW
0-100 km/h4.7 s
Top speed
273 km/h
170 mph
13.4 L/100 km
17.6 mpg US
21.1 mpg UK

Mercedes-Benz AMG GT (C192) 55 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 (C192)55 V8
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
3.9 s
PorscheCayenne IIIFacelift 2023S 4.0 V8
13.4 L/100 km
17.6 mpg US
21.1 mpg UK
4.7 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 (C192)55 V8
251 hp/t
187 kW/t
4.0 kg/hp
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
PorscheCayenne IIIFacelift 2023S 4.0 V8
216 hp/t
161 kW/t
4.6 kg/hp
13.4 L/100 km
17.6 mpg US
21.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzAMG GT (C192)55 V8PorscheCayenne IIIFacelift 2023S 4.0 V8
Power
476 hp
355 kW
474 hp
353 kW
Torque
700 Nm
516 lb-ft
600 Nm
443 lb-ft
Acceleration
3.9 s
4.7 s
Top speed
295 km/h
183 mph
273 km/h
170 mph
Lightness
1,895 kg
4,178 lb
2,190 kg
4,828 lb
Fuel consumption
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
13.4 L/100 km
17.6 mpg US
21.1 mpg UK
Practicality
Doors/seats
3 doors
4 seats
Trunk
321 L
11.3 cu ft
Length
4,728 mm
186.1 in
Height
1,354 mm
53.3 in
Doors/seats
5 doors
4 seats
Trunk
554 L
19.6 cu ft
Length
4,930 mm
194.1 in
Height
1,678 mm
66.1 in
Range score
496 km
308 mi
672 km
417 mi
Trunk score
321 L
11.3 cu ft
554 L
19.6 cu ft
Power-to-weight score
251 hp/t
187 kW/t
4.0 kg/hp
216 hp/t
161 kW/t
4.6 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 (C192) 55 V8Porsche Cayenne III Facelift 2023 S 4.0 V8
Consumption14.1 L/100 km16.7 mpg US20 mpg UK13.4 L/100 km17.6 mpg US21.1 mpg UK
Cost / 100 km24.68 LC100 km23.45 LC100 km
Cost / 100 mi39.71 LC100 mi37.74 LC100 mi
Annual fuel used2,115 L559 US gal465 UK gal2,010 L531 US gal442 UK gal
Annual fuel cost3,701 LC/year3,518 LC/year

Head-to-head comparisons

Mercedes-Benz AMG GT (C192) 55 V8

  • Has 2 hp more
  • Has 100 Nm more
  • Is 295 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 22 km/h (14 mph) higher top speed
  • Has 35 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk

Porsche Cayenne III Facelift 2023 S 4.0 V8

  • Uses 0.7 L/100 km less fuel
  • Has 175 km (109 mi) more estimated range
  • Has 233 L more trunk volume

Pros

  • 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
Mercedes-Benz AMG GT (C192) 55 V8
Porsche Cayenne III S 4.0 V8
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2 vehicles selected

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