Car comparison

Mercedes-Benz GL (X166) GL 350 BlueTECvsMercedes-Benz GLK (X204) GLK 300 V6

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

New comparison

Mercedes-Benz GL (X166)

GL 350 BlueTEC

258 hp2987 ccDieselAWDAutomaticTurbochargedSUV2012-2015
VS

Mercedes-Benz GLK (X204)

GLK 300 V6

231 hp2996 ccGasolineAWDAutomaticNaturally aspiratedSUV2009-2011

Comparison overview

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

Best choices

Mercedes-Benz GL (X166) GL 350 BlueTEC

  • Fastest top speed
    220 km/h
    137 mph
  • Most powerful
    258 hp
    192 kW
  • Highest torque
    620 Nm
    457 lb-ft
  • Lowest combined fuel consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest city consumption
    8.7 L/100 km
    27.0 mpg US
    32.5 mpg UK
  • Lowest highway consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Best estimated range
    1,282 km
    797 mi
  • Largest trunk
    680 L
  • Best overall score
    65/100
  • Best performance score
    52/100
  • Best economy score
    86/100
  • Best practicality score
    93/100

Specification comparison

Specification comparison
ModelMercedes-BenzGL (X166)GL 350 BlueTECMercedes-BenzGLK (X204)GLK 300 V6
Power
258hp192kW
231hp172kW
Torque
620Nm457lb-ft
300Nm221lb-ft
Curb weight
2,380kg5,247lb
1,755kg3,869lb
Gross weight
3,250kg7,165lb
2,480kg5,467lb
Top speed
220 km/h
137 mph
210 km/h
130 mph
To 99% top speed
123.9s99% target: 218 km/h / 135 mph
Calculated
80.9s99% target: 208 km/h / 129 mph
Calculated
0-100 km/h
7.9s
7.6s
0-200 km/h
51.1s
Calculated
49.1s
Calculated
0-60 mph
7.4s
Calculated
7.2s
Calculated
Fuel consumption
7.8L/100 km30.2mpg US36.2mpg UK
10.5L/100 km22.4mpg US26.9mpg UK
Fuel consumption city
8.7L/100 km27mpg US32.5mpg UK
14.1L/100 km16.7mpg US20.0mpg UK
Fuel consumption highway
7.3L/100 km32.2mpg US38.7mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
15.7s
Calculated
15.5s
Calculated
Power-to-weight
108hp/t81kW/t49hp/1000 lb
Calculated
132hp/t98kW/t60hp/1000 lb
Calculated
Torque-to-weight
261Nm/t174lb-ft/ton
Calculated
171Nm/t114lb-ft/ton
Calculated
Estimated range
1,282km797mi
Calculated
629km391mi
Calculated
Displacement
2,987cc182cu in
2,996cc183cu in
Length
5,120mm202in
4,528mm178in
Width
1,934mm76in
1,840mm72in
Height
1,850mm73in
1,689mm66in
Wheelbase
3,075mm121in
2,755mm108in
Front track
1,655mm65in
1,567mm62in
Rear track
1,675mm66in
1,569mm62in
Ground clearance-
201mm8in
Trunk volume
680L
450L
Max trunk volume
2,300L
1,550L
Doors
5
5
Seats
7
5
Fuel tank
100L
66L
CO2 emissions
205g/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 GL (X166) GL 350 BlueTECMercedes-Benz GLK (X204) GLK 300 V6PowerTorque
  • Mercedes-Benz GL (X166) GL 350 BlueTEC: Power / Torque
  • Mercedes-Benz GLK (X204) GLK 300 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGL (X166)GL 350 BlueTEC3,600 rpm1,600-2,400 rpm4,200 rpm
Mercedes-BenzGLK (X204)GLK 300 V66,000 rpm2,500-5,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGL (X166)GL 350 BlueTECMercedes-BenzGLK (X204)GLK 300 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
7.4 s
7.2 s
0-100 km/h
0-62 mph
7.9 s
7.6 s
0-200 km/h
0-124 mph
51.1 s
49.1 s
Top speed
220 km/h
137 mph
210 km/h
130 mph
Drag race simulation
60 ft
18 m
2.3 s
2.5 s
330 ft
101 m
6.5 s
6.6 s
1/8 mile
201 m
10.0 s
10.1 s
1000 ft
305 m
13.1 s
13.0 s
1/4 mile
402 m
15.7 s
15.5 s
Trap speed
1/4 mile
402 m
140 km/h
87 mph
145 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGL (X166)GL 350 BlueTEC
258 hp
192 kW
Mercedes-BenzGLK (X204)GLK 300 V6
231 hp
172 kW

Mercedes-Benz GL (X166) GL 350 BlueTEC has 27 hp more than Mercedes-Benz GLK (X204) GLK 300 V6.

The biggest power difference is between Mercedes-Benz GLK (X204) GLK 300 V6 and Mercedes-Benz GL (X166) GL 350 BlueTEC: 27 hp (20 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGL (X166)GL 350 BlueTEC
620 Nm
457 lb-ft
Mercedes-BenzGLK (X204)GLK 300 V6
300 Nm
221 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGL (X166)GL 350 BlueTEC
2,380 kg
5,247 lb
Mercedes-BenzGLK (X204)GLK 300 V6
1,755 kg
3,869 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-BenzGL (X166)GL 350 BlueTEC
220 km/h
137 mph
Mercedes-BenzGLK (X204)GLK 300 V6
210 km/h
130 mph

0-100 km/h comparison

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

Although Mercedes-Benz GL (X166) GL 350 BlueTEC has more power, Mercedes-Benz GLK (X204) GLK 300 V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz GLK (X204) GLK 300 V6 and Mercedes-Benz GL (X166) GL 350 BlueTEC: 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-BenzGL (X166)GL 350 BlueTEC
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Mercedes-BenzGLK (X204)GLK 300 V6
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GL (X166) GL 350 BlueTEC and Mercedes-Benz GLK (X204) GLK 300 V6: 2.7 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-BenzGL (X166)GL 350 BlueTEC
108 hp/t
81 kW/t
9.2 kg/hp
Mercedes-BenzGLK (X204)GLK 300 V6
132 hp/t
98 kW/t
7.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGL (X166)GL 350 BlueTEC
1,282 km
797 mi
Mercedes-BenzGLK (X204)GLK 300 V6
629 km
391 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGL (X166)GL 350 BlueTEC
258 hp
192 kW
7.9 s
220 km/h
137 mph
Mercedes-BenzGLK (X204)GLK 300 V6
231 hp
172 kW
7.6 s
210 km/h
130 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-BenzGL (X166)GL 350 BlueTEC
Power
258 hp
192 kW
0-100 km/h7.9 s
Top speed
220 km/h
137 mph
Doors/seats
5 doors
7 seats
Trunk
680 L
24.0 cu ft
Length
5,120 mm
201.6 in
Height
1,850 mm
72.8 in
Mercedes-BenzGLK (X204)GLK 300 V6
Power
231 hp
172 kW
0-100 km/h7.6 s
Top speed
210 km/h
130 mph
Doors/seats
5 doors
5 seats
Trunk
450 L
15.9 cu ft
Length
4,528 mm
178.3 in
Height
1,689 mm
66.5 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-BenzGL (X166)GL 350 BlueTEC
Power
258 hp
192 kW
0-100 km/h7.9 s
Top speed
220 km/h
137 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Mercedes-BenzGLK (X204)GLK 300 V6
Power
231 hp
172 kW
0-100 km/h7.6 s
Top speed
210 km/h
130 mph
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

Mercedes-Benz GL (X166) GL 350 BlueTEC 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-BenzGL (X166)GL 350 BlueTEC
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
7.9 s
Mercedes-BenzGLK (X204)GLK 300 V6
10.5 L/100 km
22.4 mpg US
26.9 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-BenzGL (X166)GL 350 BlueTEC
108 hp/t
81 kW/t
9.2 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Mercedes-BenzGLK (X204)GLK 300 V6
132 hp/t
98 kW/t
7.6 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGL (X166)GL 350 BlueTECMercedes-BenzGLK (X204)GLK 300 V6
Power
258 hp
192 kW
231 hp
172 kW
Torque
620 Nm
457 lb-ft
300 Nm
221 lb-ft
Acceleration
7.9 s
7.6 s
Top speed
220 km/h
137 mph
210 km/h
130 mph
Lightness
2,380 kg
5,247 lb
1,755 kg
3,869 lb
Fuel consumption
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
Practicality
Doors/seats
5 doors
7 seats
Trunk
680 L
24.0 cu ft
Length
5,120 mm
201.6 in
Height
1,850 mm
72.8 in
Doors/seats
5 doors
5 seats
Trunk
450 L
15.9 cu ft
Length
4,528 mm
178.3 in
Height
1,689 mm
66.5 in
Range score
1,282 km
797 mi
629 km
391 mi
CO2 score
205 g/km
-
Trunk score
680 L
24.0 cu ft
450 L
15.9 cu ft
Power-to-weight score
108 hp/t
81 kW/t
9.2 kg/hp
132 hp/t
98 kW/t
7.6 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 GL (X166) GL 350 BlueTECMercedes-Benz GLK (X204) GLK 300 V6
Consumption7.8 L/100 km30.2 mpg US36.2 mpg UK10.5 L/100 km22.4 mpg US26.9 mpg UK
Cost / 100 km13.65 LC100 km18.38 LC100 km
Cost / 100 mi21.97 LC100 mi29.57 LC100 mi
Annual fuel used1,170 L309 US gal257 UK gal1,575 L416 US gal346 UK gal
Annual fuel cost2,048 LC/year2,756 LC/year

Head-to-head comparisons

Mercedes-Benz GL (X166) GL 350 BlueTEC

  • Has 27 hp more
  • Has 320 Nm more
  • Has 10 km/h (6 mph) higher top speed
  • Uses 2.7 L/100 km less fuel
  • Has 653 km (406 mi) more estimated range
  • Has 230 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest

Mercedes-Benz GLK (X204) GLK 300 V6

  • Is 625 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 23 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

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Model
Generation
Engine or modification
Mercedes-Benz GL (X166) GL 350 BlueTEC
Mercedes-Benz GLK (X204) GLK 300 V6
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Mercedes-Benz GL (X166) GL 350 BlueTEC vs Mercedes-Benz GLK (X204) GLK 300 V6 - car comparison - FastVsFaster