Car comparison

Mercedes-Benz GLS (X166) GLS 400vsMercedes-Benz GL (X164) · Facelift 2009 GL 450 CDI

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

New comparison

Mercedes-Benz GLS (X166)

GLS 400

333 hp2996 ccGasolineAWDAutomaticTwin-turboSUV2015-2019
VS

Mercedes-Benz GL (X164) · Facelift 2009

GL 450 CDI

306 hp3996 ccDieselAWDAutomaticTwin-turboSUV2009-2010

Comparison overview

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

Best choices

Mercedes-Benz GLS (X166) GLS 400

  • Quickest 0-100 km/h
    6.6 s
  • Fastest top speed
    240 km/h
    149 mph
  • Most powerful
    333 hp
    248 kW
  • Lightest
    2,360 kg
    5,203 lb
  • Best power-to-weight
    141 hp/t
    105 kW/t
    7.1 kg/hp
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    11.7 L/100 km
    20.1 mpg US
    24.1 mpg UK
  • Lowest highway consumption
    8.0 L/100 km
    29.4 mpg US
    35.3 mpg UK
  • Lowest CO2 emissions
    218 g/km
  • Best estimated range
    1,064 km
    661 mi
  • Largest trunk
    680 L
  • Best overall score
    71/100
  • Best performance score
    60/100
  • Best economy score
    82/100
  • Best practicality score
    93/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X166)GLS 400Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Power
333hp248kW
306hp228kW
Torque
480Nm354lb-ft
700Nm516lb-ft
Curb weight
2,360kg5,203lb
2,475kg5,456lb
Gross weight
3,250kg7,165lb
3,250kg7,165lb
Top speed
240 km/h
149 mph
230 km/h
143 mph
To 99% top speed
93.3s99% target: 238 km/h / 148 mph
Calculated
114.2s99% target: 228 km/h / 141 mph
Calculated
0-100 km/h
6.6s
7.6s
0-200 km/h
29.1s
Calculated
39.6s
Calculated
0-60 mph
6.2s
Calculated
7.2s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
11.6L/100 km20.3mpg US24.4mpg UK
Fuel consumption city
11.7L/100 km20.1mpg US24.1mpg UK
15.6L/100 km15.1mpg US18.1mpg UK
Fuel consumption highway
8L/100 km29.4mpg US35.3mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Quarter mile
14.7s
Calculated
15.5s
Calculated
Power-to-weight
141hp/t105kW/t64hp/1000 lb
Calculated
124hp/t92kW/t56hp/1000 lb
Calculated
Torque-to-weight
203Nm/t136lb-ft/ton
Calculated
283Nm/t189lb-ft/ton
Calculated
Estimated range
1,064km661mi
Calculated
862km536mi
Calculated
Displacement
2,996cc183cu in
3,996cc244cu in
Length
5,130mm202in
5,099mm201in
Width
1,934mm76in
1,920mm76in
Height
1,850mm73in
1,840mm72in
Wheelbase
3,075mm121in
3,075mm121in
Front track
1,655mm65in
1,645mm65in
Rear track
1,675mm66in
1,648mm65in
Ground clearance-
198mm8in
Trunk volume
680L
620L
Max trunk volume
2,300L
2,300L
Doors
5
5
Seats
5
7
Fuel tank
100L
100L
CO2 emissions
218g/km
307g/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 GLS (X166) GLS 400Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDIPowerTorque
  • Mercedes-Benz GLS (X166) GLS 400: Power / Torque
  • Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLS (X166)GLS 4005,250-6,000 rpm1,600-4,000 rpm6,250 rpm
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI3,600 rpm2,000-2,600 rpm3,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLS (X166)GLS 400Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Acceleration checkpoints
0-60 mph
0-97 km/h
6.2 s
7.2 s
0-100 km/h
0-62 mph
6.6 s
7.6 s
0-200 km/h
0-124 mph
29.1 s
39.6 s
Top speed
240 km/h
149 mph
230 km/h
143 mph
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
6.3 s
6.5 s
1/8 mile
201 m
9.5 s
10.0 s
1000 ft
305 m
12.3 s
13.0 s
1/4 mile
402 m
14.7 s
15.5 s
Trap speed
1/4 mile
402 m
154 km/h
96 mph
144 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 400
333 hp
248 kW
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
306 hp
228 kW

Mercedes-Benz GLS (X166) GLS 400 has 27 hp more than Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI.

The biggest power difference is between Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI and Mercedes-Benz GLS (X166) GLS 400: 27 hp (20 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 400
480 Nm
354 lb-ft
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 400
2,360 kg
5,203 lb
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
2,475 kg
5,456 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 (X166)GLS 400
240 km/h
149 mph
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
230 km/h
143 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 4006.6 s
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI7.6 s

The biggest 0-100 km/h difference is between Mercedes-Benz GLS (X166) GLS 400 and Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI: 1.0 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 (X166)GLS 400
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLS (X166) GLS 400 and Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI: 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-BenzGLS (X166)GLS 400
141 hp/t
105 kW/t
7.1 kg/hp
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
124 hp/t
92 kW/t
8.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 400
1,064 km
661 mi
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
862 km
536 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLS (X166)GLS 400
333 hp
248 kW
6.6 s
240 km/h
149 mph
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
306 hp
228 kW
7.6 s
230 km/h
143 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 (X166)GLS 400
Power
333 hp
248 kW
0-100 km/h6.6 s
Top speed
240 km/h
149 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
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Power
306 hp
228 kW
0-100 km/h7.6 s
Top speed
230 km/h
143 mph
Doors/seats
5 doors
7 seats
Trunk
620 L
21.9 cu ft
Length
5,099 mm
200.7 in
Height
1,840 mm
72.4 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 (X166)GLS 400
Power
333 hp
248 kW
0-100 km/h6.6 s
Top speed
240 km/h
149 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Power
306 hp
228 kW
0-100 km/h7.6 s
Top speed
230 km/h
143 mph
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

Mercedes-Benz GLS (X166) GLS 400 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 (X166)GLS 400
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
6.6 s
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
7.6 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-BenzGLS (X166)GLS 400
141 hp/t
105 kW/t
7.1 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
124 hp/t
92 kW/t
8.1 kg/hp
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X166)GLS 400Mercedes-BenzGL (X164)Facelift 2009GL 450 CDI
Power
333 hp
248 kW
306 hp
228 kW
Torque
480 Nm
354 lb-ft
700 Nm
516 lb-ft
Acceleration
6.6 s
7.6 s
Top speed
240 km/h
149 mph
230 km/h
143 mph
Lightness
2,360 kg
5,203 lb
2,475 kg
5,456 lb
Fuel consumption
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
Practicality
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
Doors/seats
5 doors
7 seats
Trunk
620 L
21.9 cu ft
Length
5,099 mm
200.7 in
Height
1,840 mm
72.4 in
Range score
1,064 km
661 mi
862 km
536 mi
CO2 score
218 g/km
307 g/km
Trunk score
680 L
24.0 cu ft
620 L
21.9 cu ft
Power-to-weight score
141 hp/t
105 kW/t
7.1 kg/hp
124 hp/t
92 kW/t
8.1 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 (X166) GLS 400Mercedes-Benz GL (X164) Facelift 2009 GL 450 CDI
Consumption9.4 L/100 km25 mpg US30.1 mpg UK11.6 L/100 km20.3 mpg US24.4 mpg UK
Cost / 100 km16.45 LC100 km20.30 LC100 km
Cost / 100 mi26.47 LC100 mi32.67 LC100 mi
Annual fuel used1,410 L372 US gal310 UK gal1,740 L460 US gal383 UK gal
Annual fuel cost2,468 LC/year3,045 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X166) GLS 400

  • Has 27 hp more
  • Is 115 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 2.2 L/100 km less fuel
  • Has 17 hp/t better power-to-weight
  • Has 202 km (125 mi) more estimated range
  • Has 60 L more trunk volume
  • Emits 89 g/km less CO2

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLS (X166) GLS 400
Mercedes-Benz GL (X164) GL 450 CDI
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