The Comparative Analysis :
Mercedes GL 420 CDI 4MATIC 7G-TRONIC (06 - 09) vs. Bentley Bentayga Speed (19 - ..)
€ 85,400
![Mercedes GL 420 CDI 4MATIC 7G-TRONIC (06 - 09)](graphbase/cars/cars_big_png/Mercedes_GL_X164.png)
€ 234,500
![Bentley Bentayga Speed (19 - ..)](graphbase/cars/cars_big/Bentley_Bentayga.webp)
€ 85,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 234,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The Mercedes GL 420 CDI is 4.5 cm shorter, 7.8 cm narrower and 9.8 cm taller than the Bentley Bentayga Speed.
Mercedes GL 420 CDI
Bentley Bentayga Speed
1840
1920
2130
1742
1998
2224
1920 mm
Width
1998 mm
2130 mm
Width Incl. Mirrors
2224 mm
1840 mm
Height
1742 mm
3075
5096
2992
5141
5096 mm
Length
5141 mm
3075 mm
Wheelbase
2992 mm
Vehicle Weight
Mercedes GL 420 CDI
Bentley Bentayga Speed
2550 kg
Kerb Weight
2491 kg
3250 kg
Gross Vehicle
Weight
Weight
3250 kg
![Mercedes GL 420 CDI 4MATIC 7G-TRONIC (06 - 09)](graphbase/cars/cars_big_png/Mercedes_GL_X164.png)
Weight Difference:
59 kg
2.31 %
![Bentley Bentayga Speed (19 - ..)](graphbase/cars/cars_big_png/Bentley_Bentayga.png)
General
Mercedes GL 420 CDI
Bentley Bentayga Speed
X164
Generation
Bentayga
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Diesel
Fuel Type
Super Unleaded (98 RON)
![](graphbase/drivetrain/AWD.png)
Permanent all-wheel drive
Drive
Permanent all-wheel drive
![](graphbase/drivetrain/AWD.png)
7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes GL 420 CDI
Bentley Bentayga Speed
V8 diesel engine with turbocharger
Engine Type
V12 petrol engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
VW W12
OM 629.912
Engine Code
DCU
![](graphbase/engines/Mercedes-Benz_OM_629.png)
4
Valves
4
8
Cylinders
12
3996 CC
Engine Capacity
5950 CC
302 bhp
at 3600 rpm
Power
626 bhp
at 5000 rpm
Mercedes GL 420 CDI
302 bhp
626 bhp
Bentley Bentayga Speed
700 NM
at 2200 rpm
Max. Torque
900 NM
at 1500 rpm
Mercedes GL 420 CDI
700 NM
900 NM
Bentley Bentayga Speed
Performance
Mercedes GL 420 CDI
Bentley Bentayga Speed
143 mph
Maximum Speed
190 mph
7.6 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
106 m
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_GL_X164.png)
Mercedes GL 420 CDI
62 mph
62
mph
mph
54 m
0.000 sec
![](graphbase/cars/cars_small_png/Bentley_Bentayga.png)
Bentley Bentayga Speed
▶ REPLAY
8.44 kg/bhp
Weight-to-Power Ratio
3.98 kg/bhp
Mercedes GL 420 CDI
8.44 kg/bhp
3.98 kg/bhp
Bentley Bentayga Speed
Fuel Economy / Emissions
Mercedes GL 420 CDI
Bentley Bentayga Speed
Fuel Economy
24 mpg
combined
No data
Mercedes GL 420 CDI
24 mpg
mpg
Bentley Bentayga Speed
18 mpg
city
No data
31 mpg
motorway
No data
100 L
Fuel Tank Capacity
85 L
536 mi
Range
No data
Mercedes GL 420 CDI
536 mi
mi
Bentley Bentayga Speed
Environmental Impact
238.7 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
No data
Mercedes GL 420 CDI
238.7 kWh
0 kWh
Bentley Bentayga Speed
Euro 4 III
Emission Standard
Euro 6
307 g/km (NEFZ)
CO2 Emissions
308 g/km (NEFZ)
Practical Convenience
Mercedes GL 420 CDI
Bentley Bentayga Speed
5
Doors
5
5
No. of Seats
5
700 kg
Maximum Payload
759 kg
620 L
Boot Capacity
484 L
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
2300 L
Boot Capacity (Seats Down)
1774 L