Car comparison

Mercedes-Benz GLS (X167) · Facelift 2026 GLS 450dvsMercedes-Benz GLS (X167) · Facelift 2023 GLS 450

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

New comparison

Mercedes-Benz GLS (X167) · Facelift 2026

GLS 450d

367 hp2989 ccDieselAWDAutomaticTwin-turboSUV2026-present
VS

Mercedes-Benz GLS (X167) · Facelift 2023

GLS 450

381 hp2999 ccGasolineAWDAutomaticTurbochargedSUV2023-2026

Comparison overview

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

Best choices

Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d

  • Quickest 0-100 km/h
    5.7 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    750 Nm
    553 lb-ft
  • Lowest combined fuel consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Best estimated range
    1,059 km
    658 mi
  • Largest trunk
    355 L
  • Best overall score
    74/100
  • Best performance score
    71/100
  • Best economy score
    84/100
  • Best practicality score
    81/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X167)Facelift 2026GLS 450dMercedes-BenzGLS (X167)Facelift 2023GLS 450
Power
367hp274kW
381hp284kW
Torque
750Nm553lb-ft
500Nm369lb-ft
Curb weight
2,590kg5,710lb
2,450kg5,401lb
Gross weight
3,485kg7,683lb
3,220kg7,099lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
93.2s99% target: 257 km/h / 160 mph
Calculated
99.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.7s
6.1s
0-200 km/h
22.5s
Calculated
24.0s
Calculated
0-60 mph
5.4s
Calculated
5.8s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
11.7L/100 km20.1mpg US24.1mpg UK
Quarter mile
13.9s
Calculated
14.2s
Calculated
Power-to-weight
142hp/t106kW/t64hp/1000 lb
Calculated
156hp/t116kW/t71hp/1000 lb
Calculated
Torque-to-weight
290Nm/t194lb-ft/ton
Calculated
204Nm/t137lb-ft/ton
Calculated
Estimated range
1,059km658mi
Calculated
769km478mi
Calculated
Displacement
2,989cc182cu in
2,999cc183cu in
Length
5,217mm205in
5,209mm205in
Width
1,956mm77in
1,956mm77in
Height
1,823mm72in
1,928mm76in
Wheelbase
3,135mm123in
3,135mm123in
Front track-
1,669mm66in
Rear track-
1,692mm67in
Ground clearance
215mm8in
290mm11in
Trunk volume
355L
355L
Max trunk volume
2,400L
2,400L
Doors
5
5
Seats
7
7
Fuel tank
90L
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 GLS (X167) Facelift 2026 GLS 450dMercedes-Benz GLS (X167) Facelift 2023 GLS 450PowerTorque
  • Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d: Power / Torque
  • Mercedes-Benz GLS (X167) Facelift 2023 GLS 450: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d4,000 rpm1,350-2,800 rpm4,250 rpm
Mercedes-BenzGLS (X167)Facelift 2023GLS 4505,800-6,100 rpm1,800-5,000 rpm6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLS (X167)Facelift 2026GLS 450dMercedes-BenzGLS (X167)Facelift 2023GLS 450
Acceleration checkpoints
0-60 mph
0-97 km/h
5.4 s
5.8 s
0-100 km/h
0-62 mph
5.7 s
6.1 s
0-200 km/h
0-124 mph
22.5 s
24.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.9 s
6.1 s
1/8 mile
201 m
9.0 s
9.2 s
1000 ft
305 m
11.7 s
12.0 s
1/4 mile
402 m
13.9 s
14.2 s
Trap speed
1/4 mile
402 m
164 km/h
102 mph
161 km/h
100 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d
367 hp
274 kW
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
381 hp
284 kW

Mercedes-Benz GLS (X167) Facelift 2023 GLS 450 has 14 hp more than Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d.

The biggest power difference is between Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d and Mercedes-Benz GLS (X167) Facelift 2023 GLS 450: 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 2026GLS 450d
750 Nm
553 lb-ft
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
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 2026GLS 450d
2,590 kg
5,710 lb
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
2,450 kg
5,401 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 2026GLS 450d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
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
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d5.7 s
Mercedes-BenzGLS (X167)Facelift 2023GLS 4506.1 s

Although Mercedes-Benz GLS (X167) Facelift 2023 GLS 450 has more power, Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d and Mercedes-Benz GLS (X167) Facelift 2023 GLS 450: 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-BenzGLS (X167)Facelift 2026GLS 450d
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
11.7 L/100 km
20.1 mpg US
24.1 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d and Mercedes-Benz GLS (X167) Facelift 2023 GLS 450: 3.2 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 2026GLS 450d
142 hp/t
106 kW/t
7.1 kg/hp
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
156 hp/t
116 kW/t
6.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d
1,059 km
658 mi
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
769 km
478 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d
367 hp
274 kW
5.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
381 hp
284 kW
6.1 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.

Chart data table
VehiclePerformance scorePracticality score
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d
Power
367 hp
274 kW
0-100 km/h5.7 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
5,217 mm
205.4 in
Height
1,823 mm
71.8 in
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
Power
381 hp
284 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

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 2026GLS 450d
Power
367 hp
274 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
Power
381 hp
284 kW
0-100 km/h6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.7 L/100 km
20.1 mpg US
24.1 mpg UK

Mercedes-Benz GLS (X167) Facelift 2026 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 2026GLS 450d
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
5.7 s
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
11.7 L/100 km
20.1 mpg US
24.1 mpg UK
6.1 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 2026GLS 450d
142 hp/t
106 kW/t
7.1 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Mercedes-BenzGLS (X167)Facelift 2023GLS 450
156 hp/t
116 kW/t
6.4 kg/hp
11.7 L/100 km
20.1 mpg US
24.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X167)Facelift 2026GLS 450dMercedes-BenzGLS (X167)Facelift 2023GLS 450
Power
367 hp
274 kW
381 hp
284 kW
Torque
750 Nm
553 lb-ft
500 Nm
369 lb-ft
Acceleration
5.7 s
6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,590 kg
5,710 lb
2,450 kg
5,401 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
11.7 L/100 km
20.1 mpg US
24.1 mpg UK
Practicality
Doors/seats
5 doors
7 seats
Trunk
355 L
12.5 cu ft
Length
5,217 mm
205.4 in
Height
1,823 mm
71.8 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
1,059 km
658 mi
769 km
478 mi
Trunk score
355 L
12.5 cu ft
355 L
12.5 cu ft
Power-to-weight score
142 hp/t
106 kW/t
7.1 kg/hp
156 hp/t
116 kW/t
6.4 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 2026 GLS 450dMercedes-Benz GLS (X167) Facelift 2023 GLS 450
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK11.7 L/100 km20.1 mpg US24.1 mpg UK
Cost / 100 km14.88 LC100 km20.47 LC100 km
Cost / 100 mi23.94 LC100 mi32.95 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal1,755 L464 US gal386 UK gal
Annual fuel cost2,231 LC/year3,071 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d

  • Has 250 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 3.2 L/100 km less fuel
  • Has 290 km (180 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Heaviest

Choose cars to compare

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Model
Generation
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Mercedes-Benz GLS (X167) GLS 450d
Mercedes-Benz GLS (X167) GLS 450
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Mercedes-Benz GLS (X167) · Facelift 2026 GLS 450d vs Mercedes-Benz GLS (X167) · Facelift 2023 GLS 450 - car comparison - FastVsFaster