Car comparison

Mercedes-Benz GLA (X156) · Facelift 2017 GLA 250vsMercedes-Benz GLS (X166) GLS 350d

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

New comparison

Mercedes-Benz GLA (X156) · Facelift 2017

GLA 250

211 hp1991 ccGasolineAWDDual-clutchTurbochargedSUV2017-2019
VS

Mercedes-Benz GLS (X166)

GLS 350d

258 hp2987 ccDieselAWDAutomaticTurbochargedSUV2015-2019

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
  • Fastest top speed
    230 km/h
    143 mph
  • Lightest
    1,430 kg
    3,153 lb
  • Best power-to-weight
    148 hp/t
    110 kW/t
    6.8 kg/hp
  • Lowest combined fuel consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Lowest highway consumption
    5.5 L/100 km
    42.8 mpg US
    51.4 mpg UK
  • Best performance score
    55/100
  • Best economy score
    89/100

Mercedes-Benz GLS (X166) GLS 350d

  • Most powerful
    258 hp
    192 kW
  • Highest torque
    620 Nm
    457 lb-ft
  • Lowest city consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Best estimated range
    1,316 km
    818 mi
  • Largest trunk
    680 L
  • Best overall score
    66/100
  • Best practicality score
    93/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLA (X156)Facelift 2017GLA 250Mercedes-BenzGLS (X166)GLS 350d
Power
211hp157kW
258hp192kW
Torque
350Nm258lb-ft
620Nm457lb-ft
Curb weight
1,430kg3,153lb
2,380kg5,247lb
Gross weight
2,015kg4,442lb
3,250kg7,165lb
Top speed
230 km/h
143 mph
222 km/h
138 mph
To 99% top speed
67.6s99% target: 228 km/h / 141 mph
Calculated
104.7s99% target: 220 km/h / 137 mph
Calculated
0-100 km/h
6.6s
7.8s
0-200 km/h
27.3s
Calculated
43.6s
Calculated
0-60 mph
6.3s
Calculated
7.3s
Calculated
Fuel consumption
6.6L/100 km35.6mpg US42.8mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Fuel consumption city
8.7L/100 km27mpg US32.5mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Fuel consumption highway
5.5L/100 km42.8mpg US51.4mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile
14.7s
Calculated
15.7s
Calculated
Power-to-weight
148hp/t110kW/t67hp/1000 lb
Calculated
108hp/t81kW/t49hp/1000 lb
Calculated
Torque-to-weight
245Nm/t164lb-ft/ton
Calculated
261Nm/t174lb-ft/ton
Calculated
Estimated range
848km527mi
Calculated
1,316km818mi
Calculated
Displacement
1,991cc121cu in
2,987cc182cu in
Length
4,424mm174in
5,130mm202in
Width
1,804mm71in
1,934mm76in
Height
1,494mm59in
1,850mm73in
Wheelbase
2,699mm106in
3,075mm121in
Front track
1,569mm62in
1,655mm65in
Rear track
1,560mm61in
1,675mm66in
Trunk volume
421L
680L
Max trunk volume
1,235L
2,300L
Doors
5
5
Seats
5
5
Fuel tank
56L
100L
CO2 emissions-
199g/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 GLA (X156) Facelift 2017 GLA 250Mercedes-Benz GLS (X166) GLS 350dPowerTorque
  • Mercedes-Benz GLA (X156) Facelift 2017 GLA 250: Power / Torque
  • Mercedes-Benz GLS (X166) GLS 350d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLA (X156)Facelift 2017GLA 2505,500 rpm1,200-4,000 rpm5,750 rpm
Mercedes-BenzGLS (X166)GLS 350d3,400 rpm1,600-2,400 rpm3,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLA (X156)Facelift 2017GLA 250Mercedes-BenzGLS (X166)GLS 350d
Acceleration checkpoints
0-60 mph
0-97 km/h
6.3 s
7.3 s
0-100 km/h
0-62 mph
6.6 s
7.8 s
0-200 km/h
0-124 mph
27.3 s
43.6 s
Top speed
230 km/h
143 mph
222 km/h
138 mph
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.4 s
6.6 s
1/8 mile
201 m
9.6 s
10.1 s
1000 ft
305 m
12.4 s
13.1 s
1/4 mile
402 m
14.7 s
15.7 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
143 km/h
89 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
211 hp
157 kW
Mercedes-BenzGLS (X166)GLS 350d
258 hp
192 kW

Mercedes-Benz GLS (X166) GLS 350d has 47 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 GLS (X166) GLS 350d: 47 hp (35 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
350 Nm
258 lb-ft
Mercedes-BenzGLS (X166)GLS 350d
620 Nm
457 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
1,430 kg
3,153 lb
Mercedes-BenzGLS (X166)GLS 350d
2,380 kg
5,247 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-BenzGLA (X156)Facelift 2017GLA 250
230 km/h
143 mph
Mercedes-BenzGLS (X166)GLS 350d
222 km/h
138 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLA (X156)Facelift 2017GLA 2506.6 s
Mercedes-BenzGLS (X166)GLS 350d7.8 s

Although Mercedes-Benz GLS (X166) GLS 350d 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 GLS (X166) GLS 350d: 1.2 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-BenzGLA (X156)Facelift 2017GLA 250
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Mercedes-BenzGLS (X166)GLS 350d
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLA (X156) Facelift 2017 GLA 250 and Mercedes-Benz GLS (X166) GLS 350d: 1.0 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-BenzGLA (X156)Facelift 2017GLA 250
148 hp/t
110 kW/t
6.8 kg/hp
Mercedes-BenzGLS (X166)GLS 350d
108 hp/t
81 kW/t
9.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
848 km
527 mi
Mercedes-BenzGLS (X166)GLS 350d
1,316 km
818 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLA (X156)Facelift 2017GLA 250
211 hp
157 kW
6.6 s
230 km/h
143 mph
Mercedes-BenzGLS (X166)GLS 350d
258 hp
192 kW
7.8 s
222 km/h
138 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-BenzGLA (X156)Facelift 2017GLA 250
Power
211 hp
157 kW
0-100 km/h6.6 s
Top speed
230 km/h
143 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
Mercedes-BenzGLS (X166)GLS 350d
Power
258 hp
192 kW
0-100 km/h7.8 s
Top speed
222 km/h
138 mph
Doors/seats
5 doors
5 seats
Trunk
680 L
24.0 cu ft
Length
5,130 mm
202.0 in
Height
1,850 mm
72.8 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-BenzGLA (X156)Facelift 2017GLA 250
Power
211 hp
157 kW
0-100 km/h6.6 s
Top speed
230 km/h
143 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Mercedes-BenzGLS (X166)GLS 350d
Power
258 hp
192 kW
0-100 km/h7.8 s
Top speed
222 km/h
138 mph
7.6 L/100 km
30.9 mpg US
37.2 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-BenzGLA (X156)Facelift 2017GLA 250
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
6.6 s
Mercedes-BenzGLS (X166)GLS 350d
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
7.8 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-BenzGLA (X156)Facelift 2017GLA 250
148 hp/t
110 kW/t
6.8 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Mercedes-BenzGLS (X166)GLS 350d
108 hp/t
81 kW/t
9.2 kg/hp
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLA (X156)Facelift 2017GLA 250Mercedes-BenzGLS (X166)GLS 350d
Power
211 hp
157 kW
258 hp
192 kW
Torque
350 Nm
258 lb-ft
620 Nm
457 lb-ft
Acceleration
6.6 s
7.8 s
Top speed
230 km/h
143 mph
222 km/h
138 mph
Lightness
1,430 kg
3,153 lb
2,380 kg
5,247 lb
Fuel consumption
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
Practicality
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
Doors/seats
5 doors
5 seats
Trunk
680 L
24.0 cu ft
Length
5,130 mm
202.0 in
Height
1,850 mm
72.8 in
Range score
848 km
527 mi
1,316 km
818 mi
CO2 score
-
199 g/km
Trunk score
421 L
14.9 cu ft
680 L
24.0 cu ft
Power-to-weight score
148 hp/t
110 kW/t
6.8 kg/hp
108 hp/t
81 kW/t
9.2 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 GLA (X156) Facelift 2017 GLA 250Mercedes-Benz GLS (X166) GLS 350d
Consumption6.6 L/100 km35.6 mpg US42.8 mpg UK7.6 L/100 km30.9 mpg US37.2 mpg UK
Cost / 100 km11.55 LC100 km13.30 LC100 km
Cost / 100 mi18.59 LC100 mi21.40 LC100 mi
Annual fuel used990 L262 US gal218 UK gal1,140 L301 US gal251 UK gal
Annual fuel cost1,733 LC/year1,995 LC/year

Head-to-head comparisons

Mercedes-Benz GLA (X156) Facelift 2017 GLA 250

  • Is 950 kg lighter
  • Is 1.2 s quicker from 0-100 km/h
  • Has 8 km/h (5 mph) higher top speed
  • Uses 1.0 L/100 km less fuel
  • Has 39 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Smallest trunk

Mercedes-Benz GLS (X166) GLS 350d

  • Has 47 hp more
  • Has 270 Nm more
  • Has 467 km (290 mi) more estimated range
  • Has 259 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLA (X156) GLA 250
Mercedes-Benz GLS (X166) GLS 350d
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Mercedes-Benz GLA (X156) · Facelift 2017 GLA 250 vs Mercedes-Benz GLS (X166) GLS 350d - car comparison - FastVsFaster