The Comparative Analysis :
Bentley Bentayga W12 (16 - ..) vs. Mercedes GLS 500 4MATIC 9G-TRONIC (18 - 19)
€ 208,500

€ 102,200

€ 208,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 102,200
ⓘ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 W12 is 0.4 inches longer, 2.5 inches wider and 4.3 inches lower than the Mercedes GLS 500.
Bentley Bentayga W12
Mercedes GLS 500
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
202
202.4 in
Length
202 in
117.8 in
Wheelbase
121.1 in
Vehicle Weight
Bentley Bentayga W12
Mercedes GLS 500
5379 lb
Curb Weight
5390 lb
7165 lb
Gross Vehicle
Weight
Weight
7165 lb

Weight Difference:
11 lb
0.2 %

General
Bentley Bentayga W12
Mercedes GLS 500
Bentayga
Generation
X166
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

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

8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
Bentley Bentayga W12
Mercedes GLS 500
V12 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
VW W12
Engine Series
Mercedes-Benz M 278
DDBB
Engine Code
M 278.928

4
Valves
4
12
Cylinders
8
6 L / 294 cu in
Displacement
4.7 L / 230 cu in
600 hp
at 5250 rpm
Power
450 hp
at 5250 rpm
Bentley Bentayga W12
600 hp
450 hp
Mercedes GLS 500
664 lb‑ft
at 1250 rpm
Max. Torque
516 lb‑ft
at 1800 rpm
Bentley Bentayga W12
664 lb‑ft
516 lb‑ft
Mercedes GLS 500
Performance
Bentley Bentayga W12
Mercedes GLS 500
187 mph
Maximum Speed
155 mph
4.1 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
187 ft
0.000 sec

Bentley Bentayga W12
62 mph
62
mph
mph
243 ft
0.000 sec

Mercedes GLS 500
▶ REPLAY
8.97 lb/hp
Weight-to-Power Ratio
11.98 lb/hp
Bentley Bentayga W12
8.97 lb/hp
11.98 lb/hp
Mercedes GLS 500
Fuel Economy / Emissions
Bentley Bentayga W12
Mercedes GLS 500
Fuel Economy
18 mpg
combined
19 mpg
Bentley Bentayga W12
18 mpg
19 mpg
Mercedes GLS 500
12 mpg
city
14 mpg
No data
highway
26 mpg
22.5 gal
Fuel Tank Capacity
26.4 gal
413 mi
Range
505 mi
Bentley Bentayga W12
413 mi
505 mi
Mercedes GLS 500
Environmental Impact
242.5 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).
233 kWh
Bentley Bentayga W12
242.5 kWh
233 kWh
Mercedes GLS 500
Euro 6
Emission Standard
Euro 6
476 g/mi (NEFZ)
CO2 Emissions
484 g/mi (WLTP)
Practical Convenience
Bentley Bentayga W12
Mercedes GLS 500
5
Doors
5
5
No. of Seats
5
1786 lb
Maximum Payload
1775 lb
13.7 cu ft
Trunk Volume
19.3 cu ft












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