Car comparison

Mercedes-Benz GLB (X247) 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)

GLB 250

224 hp1991 ccGasolineAWDDual-clutchTurbochargedSUV2019-2023
VS

Mercedes-Benz GLA (X156) · Facelift 2017

GLA 250

211 hp1991 ccGasolineFWDDual-clutchTurbochargedSUV2017-2019

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
    6.6 s
  • Lightest
    1,385 kg
    3,053 lb
  • Best power-to-weight
    152 hp/t
    114 kW/t
    6.6 kg/hp
  • Lowest combined fuel consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Lowest city consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Lowest highway consumption
    5.0 L/100 km
    47.0 mpg US
    56.5 mpg UK
  • Best estimated range
    833 km
    518 mi
  • Best performance score
    56/100
  • Best economy score
    91/100

Mercedes-Benz GLB (X247) GLB 250

  • Fastest top speed
    236 km/h
    147 mph
  • Most powerful
    224 hp
    167 kW
  • Highest torque
    350 Nm
    258 lb-ft
  • Largest trunk
    570 L
  • Best overall score
    65/100
  • Best practicality score
    87/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLB (X247)GLB 250Mercedes-BenzGLA (X156)Facelift 2017GLA 250
Power
224hp167kW
211hp157kW
Torque
350Nm258lb-ft
350Nm258lb-ft
Curb weight
1,670kg3,682lb
1,385kg3,053lb
Gross weight
2,205kg4,861lb
1,970kg4,343lb
Top speed
236 km/h
147 mph
235 km/h
146 mph
To 99% top speed
76.3s99% target: 234 km/h / 145 mph
Calculated
68.1s99% target: 233 km/h / 145 mph
Calculated
0-100 km/h
6.9s
6.6s
0-200 km/h
27.7s
Calculated
25.7s
Calculated
0-60 mph
6.6s
Calculated
6.3s
Calculated
Fuel consumption
7.4L/100 km31.8mpg US38.2mpg UK
6L/100 km39.2mpg US47.1mpg UK
Fuel consumption city
9.2L/100 km25.6mpg US30.7mpg UK
7.9L/100 km29.8mpg US35.8mpg UK
Fuel consumption highway
6.3L/100 km37.3mpg US44.8mpg UK
5L/100 km47mpg US56.5mpg UK
Quarter mile
14.9s
Calculated
14.6s
Calculated
Power-to-weight
134hp/t100kW/t61hp/1000 lb
Calculated
152hp/t114kW/t69hp/1000 lb
Calculated
Torque-to-weight
210Nm/t140lb-ft/ton
Calculated
253Nm/t169lb-ft/ton
Calculated
Estimated range
811km504mi
Calculated
833km518mi
Calculated
Displacement
1,991cc121cu in
1,991cc121cu in
Length
4,634mm182in
4,424mm174in
Width
1,834mm72in
1,804mm71in
Height
1,662mm65in
1,494mm59in
Wheelbase
2,829mm111in
2,699mm106in
Front track
1,605mm63in
1,569mm62in
Rear track
1,606mm63in
1,560mm61in
Ground clearance
135mm5in
-
Trunk volume
570L
421L
Max trunk volume
1,805L
1,235L
Doors
5
5
Seats
5
5
Fuel tank
60L
50L
CO2 emissions
169g/km
-

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) GLB 250Mercedes-Benz GLA (X156) Facelift 2017 GLA 250PowerTorque
  • Mercedes-Benz GLB (X247) 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)GLB 2505,800 rpm1,800-4,000 rpm6,050 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)GLB 250Mercedes-BenzGLA (X156)Facelift 2017GLA 250
Acceleration checkpoints
0-60 mph
0-97 km/h
6.6 s
6.3 s
0-100 km/h
0-62 mph
6.9 s
6.6 s
0-200 km/h
0-124 mph
27.7 s
25.7 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
6.5 s
6.5 s
1/8 mile
201 m
9.8 s
9.6 s
1000 ft
305 m
12.6 s
12.4 s
1/4 mile
402 m
14.9 s
14.6 s
Trap speed
1/4 mile
402 m
156 km/h
97 mph
160 km/h
99 mph

Power comparison

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

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

Mercedes-Benz GLB (X247) 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) 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)GLB 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)GLB 250
1,670 kg
3,682 lb
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
1,385 kg
3,053 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)GLB 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)GLB 2506.9 s
Mercedes-BenzGLA (X156)Facelift 2017GLA 2506.6 s

Although Mercedes-Benz GLB (X247) 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) 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)GLB 250
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLA (X156) Facelift 2017 GLA 250 and Mercedes-Benz GLB (X247) GLB 250: 1.4 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)GLB 250
134 hp/t
100 kW/t
7.5 kg/hp
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
152 hp/t
114 kW/t
6.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)GLB 250
811 km
504 mi
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
833 km
518 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLB (X247)GLB 250
224 hp
167 kW
6.9 s
236 km/h
147 mph
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
211 hp
157 kW
6.6 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)GLB 250
Power
224 hp
167 kW
0-100 km/h6.9 s
Top speed
236 km/h
147 mph
Doors/seats
5 doors
5 seats
Trunk
570 L
20.1 cu ft
Length
4,634 mm
182.4 in
Height
1,662 mm
65.4 in
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
Power
211 hp
157 kW
0-100 km/h6.6 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)GLB 250
Power
224 hp
167 kW
0-100 km/h6.9 s
Top speed
236 km/h
147 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
Power
211 hp
157 kW
0-100 km/h6.6 s
Top speed
235 km/h
146 mph
6.0 L/100 km
39.2 mpg US
47.1 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)GLB 250
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
6.9 s
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
6.6 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)GLB 250
134 hp/t
100 kW/t
7.5 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
152 hp/t
114 kW/t
6.6 kg/hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLB (X247)GLB 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
6.9 s
6.6 s
Top speed
236 km/h
147 mph
235 km/h
146 mph
Lightness
1,670 kg
3,682 lb
1,385 kg
3,053 lb
Fuel consumption
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
570 L
20.1 cu ft
Length
4,634 mm
182.4 in
Height
1,662 mm
65.4 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
811 km
504 mi
833 km
518 mi
CO2 score
169 g/km
-
Trunk score
570 L
20.1 cu ft
421 L
14.9 cu ft
Power-to-weight score
134 hp/t
100 kW/t
7.5 kg/hp
152 hp/t
114 kW/t
6.6 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) GLB 250Mercedes-Benz GLA (X156) Facelift 2017 GLA 250
Consumption7.4 L/100 km31.8 mpg US38.2 mpg UK6 L/100 km39.2 mpg US47.1 mpg UK
Cost / 100 km12.95 LC100 km10.50 LC100 km
Cost / 100 mi20.84 LC100 mi16.90 LC100 mi
Annual fuel used1,110 L293 US gal244 UK gal900 L238 US gal198 UK gal
Annual fuel cost1,943 LC/year1,575 LC/year

Head-to-head comparisons

Mercedes-Benz GLB (X247) GLB 250

  • Has 13 hp more
  • Has 1 km/h (1 mph) higher top speed
  • Has 149 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 285 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 1.4 L/100 km less fuel
  • Has 18 hp/t better power-to-weight
  • Has 23 km (14 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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