The Comparative Analysis :
Bentley Bentayga Speed (19 - ..) vs. Mercedes GL 350 CDI BlueTEC 4MATIC 7G-TRONIC PLUS (12 - 15)
€ 234,500

€ 74,300

€ 234,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 74,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Bentley Bentayga Speed is 0.8 inches longer, 2.5 inches wider and 4.3 inches lower than the Mercedes GL 350 CDI BlueTEC.
Bentley Bentayga Speed
Mercedes GL 350 CDI BlueTEC
68.6
78.7
87.6
72.8
76.1
84.3
78.7 in
Width
76.1 in
87.6 in
Width Incl. Mirrors
84.3 in
68.6 in
Height
72.8 in
117.8
202.4
121.1
201.6
202.4 in
Length
201.6 in
117.8 in
Wheelbase
121.1 in
Vehicle Weight
Bentley Bentayga Speed
Mercedes GL 350 CDI BlueTEC
5492 lb
Curb Weight
5412 lb
7165 lb
Gross Vehicle
Weight
Weight
7165 lb

Weight Difference:
79 lb
1.44 %

General
Bentley Bentayga Speed
Mercedes GL 350 CDI BlueTEC
Bentayga
Generation
X166
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Premium Unleaded
Fuel Type
Diesel

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Bentley Bentayga Speed
Mercedes GL 350 CDI BlueTEC
V12 gasoline engine with two turbochargers (biturbo)
Engine Type
V6 diesel engine with turbocharger
VW W12
Engine Series
Mercedes-Benz OM 642
DCU
Engine Code
OM 642.826

4
Valves
4
12
Cylinders
6
6 L / 294 cu in
Displacement
3 L / 147 cu in
626 hp
at 5000 rpm
Power
254 hp
at 3600 rpm
Bentley Bentayga Speed
626 hp
254 hp
Mercedes GL 350 CDI BlueTEC
664 lb‑ft
at 1500 rpm
Max. Torque
457 lb‑ft
at 1600 rpm
Bentley Bentayga Speed
664 lb‑ft
457 lb‑ft
Mercedes GL 350 CDI BlueTEC
Performance
Bentley Bentayga Speed
Mercedes GL 350 CDI BlueTEC
190 mph
Maximum Speed
137 mph
3.9 sec
Acceleration 0 to 62 mph
7.9 sec
62 mph
62
mph
mph
177 ft
0.000 sec

Bentley Bentayga Speed
62 mph
62
mph
mph
361 ft
0.000 sec

Mercedes GL 350 CDI BlueTEC
▶ REPLAY
8.77 lb/hp
Weight-to-Power Ratio
21.31 lb/hp
Bentley Bentayga Speed
8.77 lb/hp
21.31 lb/hp
Mercedes GL 350 CDI BlueTEC
Fuel Economy / Emissions
Bentley Bentayga Speed
Mercedes GL 350 CDI BlueTEC
Fuel Economy
No data
combined
32 mpg
Bentley Bentayga Speed
mpg
32 mpg
Mercedes GL 350 CDI BlueTEC
No data
city
29 mpg
No data
highway
34 mpg
22.5 gal
Fuel Tank Capacity
26.4 gal
No data
Range
839 mi
Bentley Bentayga Speed
mi
839 mi
Mercedes GL 350 CDI BlueTEC
Environmental Impact
No data
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).
152.2 kWh
Bentley Bentayga Speed
0 kWh
152.2 kWh
Mercedes GL 350 CDI BlueTEC
Euro 6
Emission Standard
Euro 6b (NEFZ)
496 g/mi (NEFZ)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
Bentley Bentayga Speed
Mercedes GL 350 CDI BlueTEC
5
Doors
5
5
No. of Seats
5
1673 lb
Maximum Payload
1753 lb
13.7 cu ft
Trunk Volume
19.3 cu ft












50.2 cu ft
Cargo Volume (Seats Down)
65.1 cu ft