The Comparative Analysis :
Bentley Bentayga Speed (19 - ..) vs. Mercedes GLS 350 d 4MATIC 9G-TRONIC (15 - 19)
€ 234,500

€ 75,200

€ 234,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 75,200
ⓘ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 1.1 cm longer, 6.4 cm wider and 10.8 cm lower than the Mercedes GLS 350 d.
Bentley Bentayga Speed
Mercedes GLS 350 d
1742
1998
2224
1850
1934
2141
1998 mm
Width
1934 mm
2224 mm
Width Incl. Mirrors
2141 mm
1742 mm
Height
1850 mm
2992
5141
3075
5130
5141 mm
Length
5130 mm
2992 mm
Wheelbase
3075 mm
Vehicle Weight
Bentley Bentayga Speed
Mercedes GLS 350 d
2491 kg
Kerb Weight
2455 kg
3250 kg
Gross Vehicle
Weight
Weight
3250 kg

Weight Difference:
36 kg
1.45 %

General
Bentley Bentayga Speed
Mercedes GLS 350 d
Bentayga
Generation
X166
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Super Unleaded (98 RON)
Fuel Type
Diesel

Permanent all-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
Bentley Bentayga Speed
Mercedes GLS 350 d
V12 petrol 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
5950 CC
Engine Capacity
2987 CC
626 bhp
at 5000 rpm
Power
254 bhp
at 3400 rpm
Bentley Bentayga Speed
626 bhp
254 bhp
Mercedes GLS 350 d
900 NM
at 1500 rpm
Max. Torque
620 NM
at 1600 rpm
Bentley Bentayga Speed
900 NM
620 NM
Mercedes GLS 350 d
Performance
Bentley Bentayga Speed
Mercedes GLS 350 d
190 mph
Maximum Speed
138 mph
3.9 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
54 m
0.000 sec

Bentley Bentayga Speed
62 mph
62
mph
mph
108 m
0.000 sec

Mercedes GLS 350 d
▶ REPLAY
3.98 kg/bhp
Weight-to-Power Ratio
9.67 kg/bhp
Bentley Bentayga Speed
3.98 kg/bhp
9.67 kg/bhp
Mercedes GLS 350 d
Fuel Economy / Emissions
Bentley Bentayga Speed
Mercedes GLS 350 d
Fuel Economy
No data
combined
37 mpg
Bentley Bentayga Speed
mpg
37 mpg
Mercedes GLS 350 d
No data
city
32 mpg
No data
motorway
40 mpg
85 L
Fuel Tank Capacity
100 L
No data
Range
807 mi
Bentley Bentayga Speed
mi
807 mi
Mercedes GLS 350 d
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).
158.4 kWh
Bentley Bentayga Speed
0 kWh
158.4 kWh
Mercedes GLS 350 d
Euro 6
Emission Standard
Euro 6
308 g/km (NEFZ)
CO2 Emissions
190 g/km (NEFZ)
Practical Convenience
Bentley Bentayga Speed
Mercedes GLS 350 d
5
Doors
5
5
No. of Seats
5
759 kg
Maximum Payload
795 kg
484 L
Boot Capacity
680 L












1774 L
Boot Capacity (Seats Down)
2300 L