Car comparison

Porsche Cayenne III · Facelift 2023 GTS 4.0 V8vsMercedes-Benz GLS (X167) · Facelift 2023 GLS 580 V8

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

New comparison

Porsche Cayenne III · Facelift 2023

GTS 4.0 V8

500 hp3996 ccGasolineAWDAutomaticTurbochargedSUV2024-present

Mercedes-Benz GLS (X167) · Facelift 2023

GLS 580 V8

517 hp3982 ccGasolineAWDAutomaticTwin-turboSUV2023-2026

Comparison overview

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

Porsche Cayenne III Facelift 2023 GTS 4.0 V8

Quickest 0-100 km/h
4.4 s
Fastest top speed
275 km/h
171 mph
Lightest
2,190 kg
4,828 lb
Best power-to-weight
228 hp/t
170 kW/t
4.4 kg/hp
Lowest combined fuel consumption
13.3 L/100 km
17.7 mpg US
21.2 mpg UK
Largest trunk
656 L
Best overall score
85/100
Best performance score
82/100
Best economy score
71/100
Best practicality score
90/100

Mercedes-Benz GLS (X167) Facelift 2023 GLS 580 V8

Most powerful
517 hp
386 kW
Highest torque
730 Nm
538 lb-ft

Specification comparison

Specification comparison
Model	PorscheCayenne IIIFacelift 2023GTS 4.0 V8	Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8
Power	500hp373kW	517hp386kW
Torque	660Nm487lb-ft	730Nm538lb-ft
Curb weight	2,190kg4,828lb	2,565kg5,655lb
Gross weight	2,890kg6,371lb	3,300kg7,275lb
Top speed	275 km/h 171 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	82.6s99% target: 272 km/h / 169 mph Calculated	72.1s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	4.4s	4.9s
0-200 km/h	16.7s	18.4s Calculated
0-60 mph	4.2s Calculated	4.6s Calculated
Fuel consumption	13.3L/100 km17.7mpg US21.2mpg UK	14.2L/100 km16.6mpg US19.9mpg UK
Quarter mile	12.6s Calculated	13.1s Calculated
Power-to-weight	228hp/t170kW/t104hp/1000 lb Calculated	202hp/t150kW/t91hp/1000 lb Calculated
Torque-to-weight	301Nm/t202lb-ft/ton Calculated	285Nm/t190lb-ft/ton Calculated
Estimated range	-	634km394mi Calculated
Displacement	3,996cc244cu in	3,982cc243cu in
Length	4,930mm194in	5,209mm205in
Width	1,983mm78in	1,956mm77in
Height	1,674mm66in	1,928mm76in
Wheelbase	2,895mm114in	3,135mm123in
Front track	-	1,669mm66in
Rear track	-	1,692mm67in
Ground clearance	234mm9in	290mm11in
Trunk volume	656L	355L
Max trunk volume	1,708L	2,400L
Doors	5	5
Seats	5	7
Fuel tank	-	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.

Porsche Cayenne III Facelift 2023 GTS 4.0 V8Mercedes-Benz GLS (X167) Facelift 2023 GLS 580 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	6,000 rpm	2,100-4,500 rpm	6,800 rpm
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	5,500 rpm	2,250-4,500 rpm	5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	PorscheCayenne IIIFacelift 2023GTS 4.0 V8	Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.2 s	4.6 s
0-100 km/h 0-62 mph	4.4 s	4.9 s
0-200 km/h 0-124 mph	16.7 s	18.4 s
Top speed	275 km/h 171 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited
	Drag race simulation
60 ft 18 m	2.0 s	2.1 s
330 ft 101 m	5.3 s	5.6 s
1/8 mile 201 m	8.1 s	8.5 s
1000 ft 305 m	10.6 s	11.0 s
1/4 mile 402 m	12.6 s	13.1 s
Trap speed 1/4 mile 402 m	178 km/h 111 mph	174 km/h 108 mph

Power comparison

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

Chart data table
Vehicle	Value
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	500 hp 373 kW
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	517 hp 386 kW

Mercedes-Benz GLS (X167) Facelift 2023 GLS 580 V8 has 17 hp more than Porsche Cayenne III Facelift 2023 GTS 4.0 V8.

The biggest power difference is between Porsche Cayenne III Facelift 2023 GTS 4.0 V8 and Mercedes-Benz GLS (X167) Facelift 2023 GLS 580 V8: 17 hp (13 kW).

Torque comparison

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

Chart data table
Vehicle	Value
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	660 Nm 487 lb-ft
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	730 Nm 538 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	2,190 kg 4,828 lb
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	2,565 kg 5,655 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
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	275 km/h 171 mph
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	4.4 s
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	4.9 s

Although Mercedes-Benz GLS (X167) Facelift 2023 GLS 580 V8 has more power, Porsche Cayenne III Facelift 2023 GTS 4.0 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche Cayenne III Facelift 2023 GTS 4.0 V8 and Mercedes-Benz GLS (X167) Facelift 2023 GLS 580 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
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	13.3 L/100 km 17.7 mpg US 21.2 mpg UK
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	14.2 L/100 km 16.6 mpg US 19.9 mpg UK

The biggest fuel consumption difference is between Porsche Cayenne III Facelift 2023 GTS 4.0 V8 and Mercedes-Benz GLS (X167) Facelift 2023 GLS 580 V8: 0.9 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
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	228 hp/t 170 kW/t 4.4 kg/hp
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	202 hp/t 150 kW/t 5.0 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	500 hp 373 kW	4.4 s	275 km/h 171 mph
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	517 hp 386 kW	4.9 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 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

PorscheCayenne IIIFacelift 2023GTS 4.0 V8

Power	500 hp 373 kW
0-100 km/h	4.4 s
Top speed 275 km/h 171 mph

Doors/seats	5 doors 5 seats
Trunk	656 L 23.2 cu ft
Length	4,930 mm 194.1 in
Height	1,674 mm 65.9 in

Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8

Power	517 hp 386 kW
0-100 km/h	4.9 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	5 doors 7 seats
Trunk	355 L 12.5 cu ft
Length	5,209 mm 205.1 in
Height	1,928 mm 75.9 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

PorscheCayenne IIIFacelift 2023GTS 4.0 V8

Power	500 hp 373 kW
0-100 km/h	4.4 s
Top speed 275 km/h 171 mph

13.3 L/100 km

17.7 mpg US

21.2 mpg UK

Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8

Power	517 hp 386 kW
0-100 km/h	4.9 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

14.2 L/100 km

16.6 mpg US

19.9 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
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	13.3 L/100 km 17.7 mpg US 21.2 mpg UK	4.4 s
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	14.2 L/100 km 16.6 mpg US 19.9 mpg UK	4.9 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
PorscheCayenne IIIFacelift 2023GTS 4.0 V8	228 hp/t 170 kW/t 4.4 kg/hp	13.3 L/100 km 17.7 mpg US 21.2 mpg UK
Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8	202 hp/t 150 kW/t 5.0 kg/hp	14.2 L/100 km 16.6 mpg US 19.9 mpg UK

Detailed score breakdown

Vehicle

PorscheCayenne IIIFacelift 2023GTS 4.0 V8

Mercedes-BenzGLS (X167)Facelift 2023GLS 580 V8

Power

500 hp

373 kW

517 hp

386 kW

Torque

660 Nm

487 lb-ft

730 Nm

538 lb-ft

Acceleration

4.4 s

4.9 s

Top speed

275 km/h

171 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

2,190 kg

4,828 lb

2,565 kg

5,655 lb

Fuel consumption

13.3 L/100 km

17.7 mpg US

21.2 mpg UK

14.2 L/100 km

16.6 mpg US

19.9 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	656 L 23.2 cu ft
Length	4,930 mm 194.1 in
Height	1,674 mm 65.9 in

Doors/seats	5 doors 7 seats
Trunk	355 L 12.5 cu ft
Length	5,209 mm 205.1 in
Height	1,928 mm 75.9 in

Range score

634 km

394 mi

Trunk score

656 L

23.2 cu ft

355 L

12.5 cu ft

Power-to-weight score

228 hp/t

170 kW/t

4.4 kg/hp

202 hp/t

150 kW/t

5.0 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	Porsche Cayenne III Facelift 2023 GTS 4.0 V8	Mercedes-Benz GLS (X167) Facelift 2023 GLS 580 V8
Consumption	13.3 L/100 km17.7 mpg US21.2 mpg UK	14.2 L/100 km16.6 mpg US19.9 mpg UK
Cost / 100 km	23.28 LC100 km	24.85 LC100 km
Cost / 100 mi	37.46 LC100 mi	39.99 LC100 mi
Annual fuel used	1,995 L527 US gal439 UK gal	2,130 L563 US gal469 UK gal
Annual fuel cost	3,491 LC/year	3,728 LC/year