Car comparison

Mercedes-Benz GLS (X167) · Facelift 2023 GLS 350dvsMercedes-Benz GLB (X247) · Facelift 2023 GLB 250

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

New comparison

Mercedes-Benz GLS (X167) · Facelift 2023

GLS 350d

313 hp2989 ccDieselAWDAutomaticTwin-turboSUV2023-2026
VS

Mercedes-Benz GLB (X247) · Facelift 2023

GLB 250

224 hp1991 ccGasolineAWDDual-clutchTurbochargedSUV2023-2026

Comparison overview

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

Best choices

Mercedes-Benz GLS (X167) Facelift 2023 GLS 350d

  • Quickest 0-100 km/h
    6.7 s
  • Fastest top speed
    238 km/h
    148 mph
  • Most powerful
    313 hp
    233 kW
  • Highest torque
    650 Nm
    479 lb-ft
  • Best estimated range
    989 km
    615 mi
  • Best overall score
    67/100
  • Best performance score
    61/100

Mercedes-Benz GLB (X247) Facelift 2023 GLB 250

  • Lightest
    1,690 kg
    3,726 lb
  • Best power-to-weight
    133 hp/t
    99 kW/t
    7.5 kg/hp
  • Lowest combined fuel consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Largest trunk
    565 L
  • Best economy score
    84/100
  • Best practicality score
    87/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X167)Facelift 2023GLS 350dMercedes-BenzGLB (X247)Facelift 2023GLB 250
Power
313hp233kW
224hp167kW
Torque
650Nm479lb-ft
350Nm258lb-ft
Curb weight
2,540kg5,600lb
1,690kg3,726lb
Gross weight
3,300kg7,275lb
2,265kg4,993lb
Top speed
238 km/h
148 mph
236 km/h
147 mph
To 99% top speed
103.2s99% target: 236 km/h / 146 mph
Calculated
78.5s99% target: 234 km/h / 145 mph
Calculated
0-100 km/h
6.7s
7.0s
0-200 km/h
31.8s
Calculated
28.3s
Calculated
0-60 mph
6.3s
Calculated
6.6s
Calculated
Fuel consumption
9.1L/100 km25.8mpg US31.0mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
14.8s
Calculated
15.0s
Calculated
Power-to-weight
123hp/t92kW/t56hp/1000 lb
Calculated
133hp/t99kW/t60hp/1000 lb
Calculated
Torque-to-weight
256Nm/t171lb-ft/ton
Calculated
207Nm/t139lb-ft/ton
Calculated
Estimated range
989km615mi
Calculated
714km444mi
Calculated
Displacement
2,989cc182cu in
1,991cc121cu in
Length
5,209mm205in
4,634mm182in
Width
1,956mm77in
1,834mm72in
Height
1,928mm76in
1,697mm67in
Wheelbase
3,135mm123in
2,829mm111in
Front track
1,669mm66in
1,604mm63in
Rear track
1,692mm67in
1,604mm63in
Ground clearance
290mm11in
135mm5in
Trunk volume
355L
565L
Max trunk volume
2,400L
1,800L
Doors
5
5
Seats
7
5
Fuel tank
90L
60L

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 350dMercedes-Benz GLB (X247) Facelift 2023 GLB 250PowerTorque
  • Mercedes-Benz GLS (X167) Facelift 2023 GLS 350d: Power / Torque
  • Mercedes-Benz GLB (X247) Facelift 2023 GLB 250: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLS (X167)Facelift 2023GLS 350d3,600-4,800 rpm1,350-3,200 rpm5,050 rpm
Mercedes-BenzGLB (X247)Facelift 2023GLB 2505,500-6,100 rpm2,000-4,000 rpm6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLS (X167)Facelift 2023GLS 350dMercedes-BenzGLB (X247)Facelift 2023GLB 250
Acceleration checkpoints
0-60 mph
0-97 km/h
6.3 s
6.6 s
0-100 km/h
0-62 mph
6.7 s
7.0 s
0-200 km/h
0-124 mph
31.8 s
28.3 s
Top speed
238 km/h
148 mph
236 km/h
147 mph
Drag race simulation
60 ft
18 m
2.3 s
2.5 s
330 ft
101 m
6.2 s
6.6 s
1/8 mile
201 m
9.5 s
9.8 s
1000 ft
305 m
12.4 s
12.6 s
1/4 mile
402 m
14.8 s
15.0 s
Trap speed
1/4 mile
402 m
151 km/h
94 mph
155 km/h
97 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2023GLS 350d
313 hp
233 kW
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
224 hp
167 kW

Mercedes-Benz GLS (X167) Facelift 2023 GLS 350d has 89 hp more than Mercedes-Benz GLB (X247) Facelift 2023 GLB 250.

The biggest power difference is between Mercedes-Benz GLB (X247) Facelift 2023 GLB 250 and Mercedes-Benz GLS (X167) Facelift 2023 GLS 350d: 89 hp (66 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2023GLS 350d
650 Nm
479 lb-ft
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
350 Nm
258 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 350d
2,540 kg
5,600 lb
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
1,690 kg
3,726 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 350d
238 km/h
148 mph
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
236 km/h
147 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 350d6.7 s
Mercedes-BenzGLB (X247)Facelift 2023GLB 2507.0 s

The biggest 0-100 km/h difference is between Mercedes-Benz GLS (X167) Facelift 2023 GLS 350d and Mercedes-Benz GLB (X247) Facelift 2023 GLB 250: 0.3 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 350d
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLB (X247) Facelift 2023 GLB 250 and Mercedes-Benz GLS (X167) Facelift 2023 GLS 350d: 0.7 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 350d
123 hp/t
92 kW/t
8.1 kg/hp
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
133 hp/t
99 kW/t
7.5 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 350d
989 km
615 mi
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
714 km
444 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLS (X167)Facelift 2023GLS 350d
313 hp
233 kW
6.7 s
238 km/h
148 mph
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
224 hp
167 kW
7.0 s
236 km/h
147 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 350d
Power
313 hp
233 kW
0-100 km/h6.7 s
Top speed
238 km/h
148 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
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
Power
224 hp
167 kW
0-100 km/h7.0 s
Top speed
236 km/h
147 mph
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,634 mm
182.4 in
Height
1,697 mm
66.8 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 350d
Power
313 hp
233 kW
0-100 km/h6.7 s
Top speed
238 km/h
148 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
Power
224 hp
167 kW
0-100 km/h7.0 s
Top speed
236 km/h
147 mph
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Mercedes-Benz GLS (X167) Facelift 2023 GLS 350d 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 350d
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
6.7 s
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
7.0 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 350d
123 hp/t
92 kW/t
8.1 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
133 hp/t
99 kW/t
7.5 kg/hp
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X167)Facelift 2023GLS 350dMercedes-BenzGLB (X247)Facelift 2023GLB 250
Power
313 hp
233 kW
224 hp
167 kW
Torque
650 Nm
479 lb-ft
350 Nm
258 lb-ft
Acceleration
6.7 s
7.0 s
Top speed
238 km/h
148 mph
236 km/h
147 mph
Lightness
2,540 kg
5,600 lb
1,690 kg
3,726 lb
Fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
8.4 L/100 km
28.0 mpg US
33.6 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
565 L
20.0 cu ft
Length
4,634 mm
182.4 in
Height
1,697 mm
66.8 in
Range score
989 km
615 mi
714 km
444 mi
Trunk score
355 L
12.5 cu ft
565 L
20.0 cu ft
Power-to-weight score
123 hp/t
92 kW/t
8.1 kg/hp
133 hp/t
99 kW/t
7.5 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 350dMercedes-Benz GLB (X247) Facelift 2023 GLB 250
Consumption9.1 L/100 km25.8 mpg US31 mpg UK8.4 L/100 km28 mpg US33.6 mpg UK
Cost / 100 km15.92 LC100 km14.70 LC100 km
Cost / 100 mi25.63 LC100 mi23.66 LC100 mi
Annual fuel used1,365 L361 US gal300 UK gal1,260 L333 US gal277 UK gal
Annual fuel cost2,389 LC/year2,205 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X167) Facelift 2023 GLS 350d

  • Has 89 hp more
  • Has 300 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Has 275 km (171 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Mercedes-Benz GLB (X247) Facelift 2023 GLB 250

  • Is 850 kg lighter
  • Uses 0.7 L/100 km less fuel
  • Has 9 hp/t better power-to-weight
  • Has 210 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLS (X167) GLS 350d
Mercedes-Benz GLB (X247) GLB 250
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