Car comparison

Mercedes-Benz AMG GT (C192) 55 V8vsPorsche Cayenne III · Facelift 2023 GTS 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

Porsche Cayenne III · Facelift 2023

GTS 4.0 V8

500 hp3996 ccGasolineAWDAutomaticTurbochargedCoupe2024-present

Comparison overview

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

Mercedes-Benz AMG GT (C192) 55 V8

Quickest 0-100 km/h
3.9 s
Fastest top speed
295 km/h
183 mph
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 performance score
87/100

Porsche Cayenne III Facelift 2023 GTS 4.0 V8

Most powerful
500 hp
373 kW
Lowest combined fuel consumption
13.3 L/100 km
17.7 mpg US
21.2 mpg UK
Largest trunk
554 L
Best overall score
79/100
Best economy score
71/100
Best practicality score
69/100

Specification comparison

Specification comparison
Model	Mercedes-BenzAMG GT (C192)55 V8	PorscheCayenne IIIFacelift 2023GTS 4.0 V8
Power	476hp355kW	500hp373kW
Torque	700Nm516lb-ft	660Nm487lb-ft
Curb weight	1,895kg4,178lb	2,220kg4,894lb
Gross weight	-	2,875kg6,338lb
Top speed	295 km/h 183 mph	Unrestricted 285 km/h177 mph Restricted 275 km/h171 mph Calculated
To 99% top speed	61.0s99% target: 292 km/h / 181 mph Calculated	94.3s99% target: 282 km/h / 175 mph Calculated
0-100 km/h	3.9s	4.4s
0-200 km/h	12.3s Calculated	16.7s
0-60 mph	3.7s Calculated	4.2s Calculated
Fuel consumption	14.1L/100 km16.7mpg US20.0mpg UK	13.3L/100 km17.7mpg US21.2mpg UK
Quarter mile	11.8s Calculated	12.6s Calculated
Power-to-weight	251hp/t187kW/t114hp/1000 lb Calculated	225hp/t168kW/t102hp/1000 lb Calculated
Torque-to-weight	369Nm/t247lb-ft/ton Calculated	297Nm/t199lb-ft/ton Calculated
Estimated range	496km308mi Calculated	-
Displacement	3,982cc243cu in	3,996cc244cu in
Length	4,728mm186in	4,930mm194in
Width	1,984mm78in	1,989mm78in
Height	1,354mm53in	1,654mm65in
Wheelbase	2,700mm106in	2,895mm114in
Front track	1,683mm66in	-
Rear track	1,686mm66in	-
Ground clearance	-	234mm9in
Trunk volume	321L	554L
Max trunk volume	675L	1,502L
Doors	3	5
Seats	4	4
Fuel tank	70L	-

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 GTS 4.0 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzAMG GT (C192)55 V8	5,500-6,500 rpm	2,250-4,500 rpm	6,750 rpm
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	6,000 rpm	2,100-4,500 rpm	6,800 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzAMG GT (C192)55 V8	PorscheCayenne IIIFacelift 2023GTS 4.0 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.7 s	4.2 s
0-100 km/h 0-62 mph	3.9 s	4.4 s
0-200 km/h 0-124 mph	12.3 s	16.7 s
Top speed	295 km/h 183 mph	Unrestricted 285 km/h177 mph Restricted 275 km/h171 mph Likely limited
	Drag race simulation
60 ft 18 m	2.0 s	1.9 s
330 ft 101 m	5.2 s	5.3 s
1/8 mile 201 m	7.8 s	8.1 s
1000 ft 305 m	10.0 s	10.6 s
1/4 mile 402 m	11.8 s	12.6 s
Trap speed 1/4 mile 402 m	196 km/h 122 mph	178 km/h 110 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzAMG GT (C192)55 V8	476 hp 355 kW
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	500 hp 373 kW

Porsche Cayenne III Facelift 2023 GTS 4.0 V8 has 24 hp more than Mercedes-Benz AMG GT (C192) 55 V8.

The biggest power difference is between Mercedes-Benz AMG GT (C192) 55 V8 and Porsche Cayenne III Facelift 2023 GTS 4.0 V8: 24 hp (18 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzAMG GT (C192)55 V8	700 Nm 516 lb-ft
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	660 Nm 487 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzAMG GT (C192)55 V8	1,895 kg 4,178 lb
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	2,220 kg 4,894 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzAMG GT (C192)55 V8	295 km/h 183 mph
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	Unrestricted 285 km/h177 mph Restricted 275 km/h171 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzAMG GT (C192)55 V8	3.9 s
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	4.4 s

Although Porsche Cayenne III Facelift 2023 GTS 4.0 V8 has more power, Mercedes-Benz AMG GT (C192) 55 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz AMG GT (C192) 55 V8 and Porsche Cayenne III Facelift 2023 GTS 4.0 V8: 0.5 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
Mercedes-BenzAMG GT (C192)55 V8	14.1 L/100 km 16.7 mpg US 20.0 mpg UK
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	13.3 L/100 km 17.7 mpg US 21.2 mpg UK

The biggest fuel consumption difference is between Porsche Cayenne III Facelift 2023 GTS 4.0 V8 and Mercedes-Benz AMG GT (C192) 55 V8: 0.8 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Mercedes-BenzAMG GT (C192)55 V8	251 hp/t 187 kW/t 4.0 kg/hp
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	225 hp/t 168 kW/t 4.4 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzAMG GT (C192)55 V8	476 hp 355 kW	3.9 s	295 km/h 183 mph
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	500 hp 373 kW	4.4 s	Unrestricted 285 km/h177 mph Restricted 275 km/h171 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Mercedes-BenzAMG GT (C192)55 V8

Power	476 hp 355 kW
0-100 km/h	3.9 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 2023GTS 4.0 V8

Power	500 hp 373 kW
0-100 km/h	4.4 s
Top speed Unrestricted 285 km/h177 mph Restricted 275 km/h171 mph

Doors/seats	5 doors 4 seats
Trunk	554 L 19.6 cu ft
Length	4,930 mm 194.1 in
Height	1,654 mm 65.1 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

Mercedes-BenzAMG GT (C192)55 V8

Power	476 hp 355 kW
0-100 km/h	3.9 s
Top speed 295 km/h 183 mph

14.1 L/100 km

16.7 mpg US

20.0 mpg UK

PorscheCayenne IIIFacelift 2023GTS 4.0 V8

Power	500 hp 373 kW
0-100 km/h	4.4 s
Top speed Unrestricted 285 km/h177 mph Restricted 275 km/h171 mph

13.3 L/100 km

17.7 mpg US

21.2 mpg UK

Porsche Cayenne III Facelift 2023 GTS 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
Vehicle	Fuel consumption, L/100 km	0-100 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 2023GTS 4.0 V8	13.3 L/100 km 17.7 mpg US 21.2 mpg UK	4.4 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
Vehicle	Power-to-weight, hp/t	Fuel 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 2023GTS 4.0 V8	225 hp/t 168 kW/t 4.4 kg/hp	13.3 L/100 km 17.7 mpg US 21.2 mpg UK

Detailed score breakdown

Vehicle

Mercedes-BenzAMG GT (C192)55 V8

PorscheCayenne IIIFacelift 2023GTS 4.0 V8

Power

476 hp

355 kW

500 hp

373 kW

Torque

700 Nm

516 lb-ft

660 Nm

487 lb-ft

Acceleration

3.9 s

4.4 s

Top speed

295 km/h

183 mph

Unrestricted

285 km/h177 mph

Restricted

275 km/h171 mph

Lightness

1,895 kg

4,178 lb

2,220 kg

4,894 lb

Fuel consumption

14.1 L/100 km

16.7 mpg US

20.0 mpg UK

13.3 L/100 km

17.7 mpg US

21.2 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	1,654 mm 65.1 in

Range score

496 km

308 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

225 hp/t

168 kW/t

4.4 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Mercedes-Benz AMG GT (C192) 55 V8	Porsche Cayenne III Facelift 2023 GTS 4.0 V8
Consumption	14.1 L/100 km16.7 mpg US20 mpg UK	13.3 L/100 km17.7 mpg US21.2 mpg UK
Cost / 100 km	24.68 LC100 km	23.28 LC100 km
Cost / 100 mi	39.71 LC100 mi	37.46 LC100 mi
Annual fuel used	2,115 L559 US gal465 UK gal	1,995 L527 US gal439 UK gal
Annual fuel cost	3,701 LC/year	3,491 LC/year