Car comparison

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

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

New comparison

Mercedes-Benz GLS (X167) · Facelift 2026

GLS 450

381 hp2999 ccGasolineAWDAutomaticTurbochargedSUV2026-present
VS

Mercedes-Benz GLS (X167) · Facelift 2023

GLS 450d

367 hp2989 ccDieselAWDAutomaticTwin-turboSUV2023-2026

Comparison overview

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

Best choices

Mercedes-Benz GLS (X167) Facelift 2026 GLS 450

  • Quickest 0-100 km/h
    5.6 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    381 hp
    284 kW
  • Lightest
    2,505 kg
    5,523 lb
  • Best power-to-weight
    152 hp/t
    113 kW/t
    6.6 kg/hp
  • Largest trunk
    355 L
  • Best practicality score
    81/100

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

  • 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 overall score
    73/100
  • Best performance score
    69/100
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X167)Facelift 2026GLS 450Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
Power
381hp284kW
367hp274kW
Torque
560Nm413lb-ft
750Nm553lb-ft
Curb weight
2,505kg5,523lb
2,540kg5,600lb
Gross weight
3,390kg7,474lb
3,300kg7,275lb
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
88.6s99% target: 257 km/h / 160 mph
Calculated
103.1s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.6s
6.1s
0-200 km/h
21.8s
Calculated
24.5s
Calculated
0-60 mph
5.3s
Calculated
5.8s
Calculated
Fuel consumption
10.9L/100 km21.6mpg US25.9mpg UK
9.1L/100 km25.8mpg US31.0mpg UK
Quarter mile
13.8s
Calculated
14.2s
Calculated
Power-to-weight
152hp/t113kW/t69hp/1000 lb
Calculated
144hp/t108kW/t66hp/1000 lb
Calculated
Torque-to-weight
224Nm/t150lb-ft/ton
Calculated
295Nm/t198lb-ft/ton
Calculated
Estimated range
826km513mi
Calculated
989km615mi
Calculated
Displacement
2,999cc183cu in
2,989cc182cu 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 450Mercedes-Benz GLS (X167) Facelift 2023 GLS 450dPowerTorque
  • Mercedes-Benz GLS (X167) Facelift 2026 GLS 450: Power / Torque
  • Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLS (X167)Facelift 2026GLS 4505,000-6,100 rpm2,000-4,500 rpm6,350 rpm
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d4,000 rpm1,350-2,800 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLS (X167)Facelift 2026GLS 450Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
Acceleration checkpoints
0-60 mph
0-97 km/h
5.3 s
5.8 s
0-100 km/h
0-62 mph
5.6 s
6.1 s
0-200 km/h
0-124 mph
21.8 s
24.5 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
2.2 s
330 ft
101 m
5.9 s
6.1 s
1/8 mile
201 m
8.9 s
9.2 s
1000 ft
305 m
11.6 s
12.0 s
1/4 mile
402 m
13.8 s
14.2 s
Trap speed
1/4 mile
402 m
165 km/h
103 mph
160 km/h
99 mph

Power comparison

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

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

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

The biggest power difference is between Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d and Mercedes-Benz GLS (X167) Facelift 2026 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 450
560 Nm
413 lb-ft
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
750 Nm
553 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 450
2,505 kg
5,523 lb
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
2,540 kg
5,600 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 450
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
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 4505.6 s
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d6.1 s

The biggest 0-100 km/h difference is between Mercedes-Benz GLS (X167) Facelift 2026 GLS 450 and Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d: 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
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d and Mercedes-Benz GLS (X167) Facelift 2026 GLS 450: 1.8 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450
152 hp/t
113 kW/t
6.6 kg/hp
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
144 hp/t
108 kW/t
6.9 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 450
826 km
513 mi
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
989 km
615 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLS (X167)Facelift 2026GLS 450
381 hp
284 kW
5.6 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
367 hp
274 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 450
Power
381 hp
284 kW
0-100 km/h5.6 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 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

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 450
Power
381 hp
284 kW
0-100 km/h5.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
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

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 2026GLS 450
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
5.6 s
Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
9.1 L/100 km
25.8 mpg US
31.0 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 450
152 hp/t
113 kW/t
6.6 kg/hp
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X167)Facelift 2026GLS 450Mercedes-BenzGLS (X167)Facelift 2023GLS 450d
Power
381 hp
284 kW
367 hp
274 kW
Torque
560 Nm
413 lb-ft
750 Nm
553 lb-ft
Acceleration
5.6 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
2,505 kg
5,523 lb
2,540 kg
5,600 lb
Fuel consumption
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
9.1 L/100 km
25.8 mpg US
31.0 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
826 km
513 mi
989 km
615 mi
Trunk score
355 L
12.5 cu ft
355 L
12.5 cu ft
Power-to-weight score
152 hp/t
113 kW/t
6.6 kg/hp
144 hp/t
108 kW/t
6.9 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 450Mercedes-Benz GLS (X167) Facelift 2023 GLS 450d
Consumption10.9 L/100 km21.6 mpg US25.9 mpg UK9.1 L/100 km25.8 mpg US31 mpg UK
Cost / 100 km19.08 LC100 km15.92 LC100 km
Cost / 100 mi30.70 LC100 mi25.63 LC100 mi
Annual fuel used1,635 L432 US gal360 UK gal1,365 L361 US gal300 UK gal
Annual fuel cost2,861 LC/year2,389 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X167) Facelift 2026 GLS 450

  • Has 14 hp more
  • Is 35 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 8 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption

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

  • Has 190 Nm more
  • Uses 1.8 L/100 km less fuel
  • Has 163 km (101 mi) more estimated range

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest

Choose cars to compare

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