Car comparison

Mercedes-Benz GLB (X247) · Facelift 2023 GLB 250vsMercedes-Benz GLA (X156) · Facelift 2017 GLA 250

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

New comparison

Mercedes-Benz GLB (X247) · Facelift 2023

GLB 250

224 hp1991 ccGasolineAWDDual-clutchTurbochargedSUV2023-2026
VS

Mercedes-Benz GLA (X156) · Facelift 2017

GLA 250

211 hp1991 ccGasolineFWDManualTurbochargedSUV2017-2019

Comparison overview

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

Best choices

Mercedes-Benz GLA (X156) Facelift 2017 GLA 250

  • Quickest 0-100 km/h
    6.7 s
  • Lightest
    1,360 kg
    2,998 lb
  • Best power-to-weight
    155 hp/t
    116 kW/t
    6.4 kg/hp
  • Lowest combined fuel consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Best estimated range
    806 km
    501 mi
  • Best performance score
    55/100
  • Best economy score
    90/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLB (X247)Facelift 2023GLB 250Mercedes-BenzGLA (X156)Facelift 2017GLA 250
Power
224hp167kW
211hp157kW
Torque
350Nm258lb-ft
350Nm258lb-ft
Curb weight
1,690kg3,726lb
1,360kg2,998lb
Gross weight
2,265kg4,993lb
1,970kg4,343lb
Top speed
236 km/h
147 mph
235 km/h
146 mph
To 99% top speed
78.5s99% target: 234 km/h / 145 mph
Calculated
68.6s99% target: 233 km/h / 145 mph
Calculated
0-100 km/h
7.0s
6.7s
0-200 km/h
28.3s
Calculated
26.0s
Calculated
0-60 mph
6.6s
Calculated
6.4s
Calculated
Fuel consumption
8.4L/100 km28mpg US33.6mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Fuel consumption city-
8.2L/100 km28.7mpg US34.4mpg UK
Fuel consumption highway-
5.1L/100 km46.1mpg US55.4mpg UK
Quarter mile
15.0s
Calculated
14.7s
Calculated
Power-to-weight
133hp/t99kW/t60hp/1000 lb
Calculated
155hp/t116kW/t70hp/1000 lb
Calculated
Torque-to-weight
207Nm/t139lb-ft/ton
Calculated
257Nm/t172lb-ft/ton
Calculated
Estimated range
714km444mi
Calculated
806km501mi
Calculated
Displacement
1,991cc121cu in
1,991cc121cu in
Length
4,634mm182in
4,424mm174in
Width
1,834mm72in
1,804mm71in
Height
1,697mm67in
1,494mm59in
Wheelbase
2,829mm111in
2,699mm106in
Front track
1,604mm63in
1,569mm62in
Rear track
1,604mm63in
1,560mm61in
Ground clearance
135mm5in
-
Trunk volume
565L
421L
Max trunk volume
1,800L
1,235L
Doors
5
5
Seats
5
5
Fuel tank
60L
50L

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 GLB (X247) Facelift 2023 GLB 250Mercedes-Benz GLA (X156) Facelift 2017 GLA 250PowerTorque
  • Mercedes-Benz GLB (X247) Facelift 2023 GLB 250: Power / Torque
  • Mercedes-Benz GLA (X156) Facelift 2017 GLA 250: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLB (X247)Facelift 2023GLB 2505,500-6,100 rpm2,000-4,000 rpm6,350 rpm
Mercedes-BenzGLA (X156)Facelift 2017GLA 2505,500 rpm1,200-4,000 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLB (X247)Facelift 2023GLB 250Mercedes-BenzGLA (X156)Facelift 2017GLA 250
Acceleration checkpoints
0-60 mph
0-97 km/h
6.6 s
6.4 s
0-100 km/h
0-62 mph
7.0 s
6.7 s
0-200 km/h
0-124 mph
28.3 s
26.0 s
Top speed
236 km/h
147 mph
235 km/h
146 mph
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.6 s
6.5 s
1/8 mile
201 m
9.8 s
9.7 s
1000 ft
305 m
12.6 s
12.4 s
1/4 mile
402 m
15.0 s
14.7 s
Trap speed
1/4 mile
402 m
155 km/h
97 mph
159 km/h
99 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
224 hp
167 kW
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
211 hp
157 kW

Mercedes-Benz GLB (X247) Facelift 2023 GLB 250 has 13 hp more than Mercedes-Benz GLA (X156) Facelift 2017 GLA 250.

The biggest power difference is between Mercedes-Benz GLA (X156) Facelift 2017 GLA 250 and Mercedes-Benz GLB (X247) Facelift 2023 GLB 250: 13 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
350 Nm
258 lb-ft
Mercedes-BenzGLA (X156)Facelift 2017GLA 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-BenzGLB (X247)Facelift 2023GLB 250
1,690 kg
3,726 lb
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
1,360 kg
2,998 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-BenzGLB (X247)Facelift 2023GLB 250
236 km/h
147 mph
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
235 km/h
146 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)Facelift 2023GLB 2507.0 s
Mercedes-BenzGLA (X156)Facelift 2017GLA 2506.7 s

Although Mercedes-Benz GLB (X247) Facelift 2023 GLB 250 has more power, Mercedes-Benz GLA (X156) Facelift 2017 GLA 250 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz GLA (X156) Facelift 2017 GLA 250 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-BenzGLB (X247)Facelift 2023GLB 250
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLA (X156) Facelift 2017 GLA 250 and Mercedes-Benz GLB (X247) Facelift 2023 GLB 250: 2.2 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-BenzGLB (X247)Facelift 2023GLB 250
133 hp/t
99 kW/t
7.5 kg/hp
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
155 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-BenzGLB (X247)Facelift 2023GLB 250
714 km
444 mi
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
806 km
501 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLB (X247)Facelift 2023GLB 250
224 hp
167 kW
7.0 s
236 km/h
147 mph
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
211 hp
157 kW
6.7 s
235 km/h
146 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-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
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
Power
211 hp
157 kW
0-100 km/h6.7 s
Top speed
235 km/h
146 mph
Doors/seats
5 doors
5 seats
Trunk
421 L
14.9 cu ft
Length
4,424 mm
174.2 in
Height
1,494 mm
58.8 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-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-BenzGLA (X156)Facelift 2017GLA 250
Power
211 hp
157 kW
0-100 km/h6.7 s
Top speed
235 km/h
146 mph
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

Mercedes-Benz GLA (X156) Facelift 2017 GLA 250 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-BenzGLB (X247)Facelift 2023GLB 250
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
7.0 s
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
6.7 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-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
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
155 hp/t
116 kW/t
6.4 kg/hp
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLB (X247)Facelift 2023GLB 250Mercedes-BenzGLA (X156)Facelift 2017GLA 250
Power
224 hp
167 kW
211 hp
157 kW
Torque
350 Nm
258 lb-ft
350 Nm
258 lb-ft
Acceleration
7.0 s
6.7 s
Top speed
236 km/h
147 mph
235 km/h
146 mph
Lightness
1,690 kg
3,726 lb
1,360 kg
2,998 lb
Fuel consumption
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
Practicality
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
Doors/seats
5 doors
5 seats
Trunk
421 L
14.9 cu ft
Length
4,424 mm
174.2 in
Height
1,494 mm
58.8 in
Range score
714 km
444 mi
806 km
501 mi
Trunk score
565 L
20.0 cu ft
421 L
14.9 cu ft
Power-to-weight score
133 hp/t
99 kW/t
7.5 kg/hp
155 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 GLB (X247) Facelift 2023 GLB 250Mercedes-Benz GLA (X156) Facelift 2017 GLA 250
Consumption8.4 L/100 km28 mpg US33.6 mpg UK6.2 L/100 km37.9 mpg US45.6 mpg UK
Cost / 100 km14.70 LC100 km10.85 LC100 km
Cost / 100 mi23.66 LC100 mi17.46 LC100 mi
Annual fuel used1,260 L333 US gal277 UK gal930 L246 US gal205 UK gal
Annual fuel cost2,205 LC/year1,628 LC/year

Head-to-head comparisons

Mercedes-Benz GLB (X247) Facelift 2023 GLB 250

  • Has 13 hp more
  • Has 1 km/h (1 mph) higher top speed
  • Has 144 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest

Mercedes-Benz GLA (X156) Facelift 2017 GLA 250

  • Is 330 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 2.2 L/100 km less fuel
  • Has 23 hp/t better power-to-weight
  • Has 92 km (57 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLB (X247) GLB 250
Mercedes-Benz GLA (X156) GLA 250
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Mercedes-Benz GLB (X247) · Facelift 2023 GLB 250 vs Mercedes-Benz GLA (X156) · Facelift 2017 GLA 250 - car comparison - FastVsFaster