The Comparative Analysis :
Bentley Bentayga Speed (19 - ..) vs. Mercedes GLS 63 AMG 4MATIC+ Speedshift TCT 9G (20 - ..)
€ 234,500

€ 150,300

€ 234,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 150,300
ⓘ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 6.6 cm shorter, 4.2 cm wider and 8.1 cm lower than the Mercedes GLS 63 AMG.
Bentley Bentayga Speed
Mercedes GLS 63 AMG
1742
1998
2224
1823
1956
2157
1998 mm
Width
1956 mm
2224 mm
Width Incl. Mirrors
2157 mm
1742 mm
Height
1823 mm
2992
5141
3135
5207
5141 mm
Length
5207 mm
2992 mm
Wheelbase
3135 mm
Vehicle Weight
Bentley Bentayga Speed
Mercedes GLS 63 AMG
2491 kg
Kerb Weight
2630 kg
3250 kg
Gross Vehicle
Weight
Weight
3395 kg

Weight Difference:
139 kg
5.29 %

General
Bentley Bentayga Speed
Mercedes GLS 63 AMG
Bentayga
Generation
X167
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)

Permanent all-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
Bentley Bentayga Speed
Mercedes GLS 63 AMG
V12 petrol engine with two turbochargers (biturbo)
Engine Type
8-cylinder mild hybrid petrol engine with two turbochargers (biturbo)
VW W12
Engine Series
Mercedes-Benz M 177
DCU
Engine Code
M 177.980

4
Valves
4
12
Cylinders
8
5950 CC
Engine Capacity
3982 CC
626 bhp
at 5000 rpm
Power
625 bhp
at 5750 rpm
Bentley Bentayga Speed
626 bhp
625 bhp
Mercedes GLS 63 AMG
900 NM
at 1500 rpm
Max. Torque
850 NM
at 2250 rpm
Bentley Bentayga Speed
900 NM
850 NM
Mercedes GLS 63 AMG
Performance
Bentley Bentayga Speed
Mercedes GLS 63 AMG
190 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
54 m
0.000 sec

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

Mercedes GLS 63 AMG
▶ REPLAY
3.98 kg/bhp
Weight-to-Power Ratio
4.21 kg/bhp
Bentley Bentayga Speed
3.98 kg/bhp
4.21 kg/bhp
Mercedes GLS 63 AMG
Fuel Economy / Emissions
Bentley Bentayga Speed
Mercedes GLS 63 AMG
Fuel Economy
No data
combined
24 mpg
Bentley Bentayga Speed
mpg
24 mpg
Mercedes GLS 63 AMG
No data
city
18 mpg
No data
motorway
28 mpg
85 L
Fuel Tank Capacity
90 L
No data
Range
466 mi
Bentley Bentayga Speed
mi
466 mi
Mercedes GLS 63 AMG
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).
227.4 kWh
Bentley Bentayga Speed
0 kWh
227.4 kWh
Mercedes GLS 63 AMG
Euro 6
Emission Standard
Euro 6d-ISC-FCM (WLTP) 36AP-AR
308 g/km (NEFZ)
CO2 Emissions
288 g/km (WLTP)
Practical Convenience
Bentley Bentayga Speed
Mercedes GLS 63 AMG
5
Doors
5
5
No. of Seats
7
759 kg
Maximum Payload
765 kg
484 L
Boot Capacity
355 L









1774 L
Boot Capacity (Seats Down)
2400 L