Car comparison

Mercedes-Benz GLS (X167) · Facelift 2023 GLS 450dvsPorsche Cayenne III · Facelift 2023 3.0 V6

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

New comparison

Mercedes-Benz GLS (X167) · Facelift 2023

GLS 450d

367 hp2989 ccDieselAWDAutomaticTwin-turboSUV2023-2026
VS

Porsche Cayenne III · Facelift 2023

3.0 V6

353 hp2995 ccGasolineAWDAutomaticTurbochargedSUV2023-present

Comparison overview

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

Best choices

Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    367 hp
    274 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Lowest combined fuel consumption
    9.1 L/100 km
    25.8 mpg US
    31.0 mpg UK
  • Best estimated range
    989 km
    615 mi
  • Best performance score
    69/100
  • Best economy score
    82/100

Porsche Cayenne III Facelift 2023 3.0 V6

  • Quickest 0-100 km/h
    6.0 s
  • Lightest
    2,055 kg
    4,530 lb
  • Best power-to-weight
    172 hp/t
    128 kW/t
    5.8 kg/hp
  • Largest trunk
    772 L
  • Best overall score
    74/100
  • Best practicality score
    92/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X167)Facelift 2023GLS 450dPorscheCayenne IIIFacelift 20233.0 V6
Power
367hp274kW
353hp263kW
Torque
750Nm553lb-ft
500Nm369lb-ft
Curb weight
2,540kg5,600lb
2,055kg4,530lb
Gross weight
3,300kg7,275lb
2,835kg6,250lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
248 km/h
154 mph
To 99% top speed
103.1s99% target: 257 km/h / 160 mph
Calculated
82.5s99% target: 246 km/h / 153 mph
Calculated
0-100 km/h
6.1s
6.0s
0-200 km/h
24.5s
Calculated
24.0s
0-60 mph
5.8s
Calculated
5.7s
Calculated
Fuel consumption
9.1L/100 km25.8mpg US31.0mpg UK
12.1L/100 km19.4mpg US23.3mpg UK
Quarter mile
14.2s
Calculated
14.1s
Calculated
Power-to-weight
144hp/t108kW/t66hp/1000 lb
Calculated
172hp/t128kW/t78hp/1000 lb
Calculated
Torque-to-weight
295Nm/t198lb-ft/ton
Calculated
243Nm/t163lb-ft/ton
Calculated
Estimated range
989km615mi
Calculated
620km385mi
Calculated
Displacement
2,989cc182cu in
2,995cc183cu in
Length
5,209mm205in
4,930mm194in
Width
1,956mm77in
1,983mm78in
Height
1,928mm76in
1,698mm67in
Wheelbase
3,135mm123in
2,895mm114in
Front track
1,669mm66in
1,676mm66in
Rear track
1,692mm67in
1,653mm65in
Ground clearance
290mm11in
193mm8in
Trunk volume
355L
772L
Max trunk volume
2,400L
1,708L
Doors
5
5
Seats
7
5
Fuel tank
90L
75L

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 GLS (X167) Facelift 2023 GLS 450dPorsche Cayenne III Facelift 2023 3.0 V6PowerTorque
  • Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d: Power / Torque
  • Porsche Cayenne III Facelift 2023 3.0 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d4,000 rpm1,350-2,800 rpm4,250 rpm
PorscheCayenne IIIFacelift 20233.0 V65,400-6,400 rpm1,450-4,500 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLS (X167)Facelift 2023GLS 450dPorscheCayenne IIIFacelift 20233.0 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.8 s
5.7 s
0-100 km/h
0-62 mph
6.1 s
6.0 s
0-200 km/h
0-124 mph
24.5 s
24.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
248 km/h
154 mph
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
6.1 s
6.1 s
1/8 mile
201 m
9.2 s
9.2 s
1000 ft
305 m
12.0 s
11.9 s
1/4 mile
402 m
14.2 s
14.1 s
Trap speed
1/4 mile
402 m
160 km/h
99 mph
162 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
367 hp
274 kW
PorscheCayenne IIIFacelift 20233.0 V6
353 hp
263 kW

Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d has 14 hp more than Porsche Cayenne III Facelift 2023 3.0 V6.

The biggest power difference is between Porsche Cayenne III Facelift 2023 3.0 V6 and Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d: 14 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
750 Nm
553 lb-ft
PorscheCayenne IIIFacelift 20233.0 V6
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
2,540 kg
5,600 lb
PorscheCayenne IIIFacelift 20233.0 V6
2,055 kg
4,530 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-BenzGLS (X167)Facelift 2023GLS 450d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
PorscheCayenne IIIFacelift 20233.0 V6
248 km/h
154 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d6.1 s
PorscheCayenne IIIFacelift 20233.0 V66.0 s

Although Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d has more power, Porsche Cayenne III Facelift 2023 3.0 V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche Cayenne III Facelift 2023 3.0 V6 and Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d: 0.1 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-BenzGLS (X167)Facelift 2023GLS 450d
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
PorscheCayenne IIIFacelift 20233.0 V6
12.1 L/100 km
19.4 mpg US
23.3 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d and Porsche Cayenne III Facelift 2023 3.0 V6: 3.0 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-BenzGLS (X167)Facelift 2023GLS 450d
144 hp/t
108 kW/t
6.9 kg/hp
PorscheCayenne IIIFacelift 20233.0 V6
172 hp/t
128 kW/t
5.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
989 km
615 mi
PorscheCayenne IIIFacelift 20233.0 V6
620 km
385 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
367 hp
274 kW
6.1 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
PorscheCayenne IIIFacelift 20233.0 V6
353 hp
263 kW
6.0 s
248 km/h
154 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-BenzGLS (X167)Facelift 2023GLS 450d
Power
367 hp
274 kW
0-100 km/h6.1 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
PorscheCayenne IIIFacelift 20233.0 V6
Power
353 hp
263 kW
0-100 km/h6.0 s
Top speed
248 km/h
154 mph
Doors/seats
5 doors
5 seats
Trunk
772 L
27.3 cu ft
Length
4,930 mm
194.1 in
Height
1,698 mm
66.9 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-BenzGLS (X167)Facelift 2023GLS 450d
Power
367 hp
274 kW
0-100 km/h6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
PorscheCayenne IIIFacelift 20233.0 V6
Power
353 hp
263 kW
0-100 km/h6.0 s
Top speed
248 km/h
154 mph
12.1 L/100 km
19.4 mpg US
23.3 mpg UK

Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d 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-BenzGLS (X167)Facelift 2023GLS 450d
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
6.1 s
PorscheCayenne IIIFacelift 20233.0 V6
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
6.0 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-BenzGLS (X167)Facelift 2023GLS 450d
144 hp/t
108 kW/t
6.9 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
PorscheCayenne IIIFacelift 20233.0 V6
172 hp/t
128 kW/t
5.8 kg/hp
12.1 L/100 km
19.4 mpg US
23.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X167)Facelift 2023GLS 450dPorscheCayenne IIIFacelift 20233.0 V6
Power
367 hp
274 kW
353 hp
263 kW
Torque
750 Nm
553 lb-ft
500 Nm
369 lb-ft
Acceleration
6.1 s
6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
248 km/h
154 mph
Lightness
2,540 kg
5,600 lb
2,055 kg
4,530 lb
Fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
Practicality
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
Doors/seats
5 doors
5 seats
Trunk
772 L
27.3 cu ft
Length
4,930 mm
194.1 in
Height
1,698 mm
66.9 in
Range score
989 km
615 mi
620 km
385 mi
Trunk score
355 L
12.5 cu ft
772 L
27.3 cu ft
Power-to-weight score
144 hp/t
108 kW/t
6.9 kg/hp
172 hp/t
128 kW/t
5.8 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 GLS (X167) Facelift 2023 GLS 450dPorsche Cayenne III Facelift 2023 3.0 V6
Consumption9.1 L/100 km25.8 mpg US31 mpg UK12.1 L/100 km19.4 mpg US23.3 mpg UK
Cost / 100 km15.92 LC100 km21.18 LC100 km
Cost / 100 mi25.63 LC100 mi34.08 LC100 mi
Annual fuel used1,365 L361 US gal300 UK gal1,815 L479 US gal399 UK gal
Annual fuel cost2,389 LC/year3,176 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d

  • Has 14 hp more
  • Has 250 Nm more
  • Has 12 km/h (7 mph) higher top speed
  • Uses 3.0 L/100 km less fuel
  • Has 369 km (229 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
  • Smallest trunk

Porsche Cayenne III Facelift 2023 3.0 V6

  • Is 485 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Has 27 hp/t better power-to-weight
  • Has 417 L more trunk volume

Pros

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

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLS (X167) GLS 450d
Porsche Cayenne III 3.0 V6
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2 vehicles selected

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