The Comparative Analysis :
Mercedes GLS 63 AMG SPEEDSHIFT PLUS 7G-TRONIC (15 - 19) vs. Bentley Bentayga Speed (19 - ..)
€ 140,200

€ 234,500

€ 140,200
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 slightly. The Mercedes GLS 63 AMG is 0.8 inches longer, 0.6 inches narrower and 4.3 inches taller than the Bentley Bentayga Speed.
Mercedes GLS 63 AMG
Bentley Bentayga Speed
72.8
78
84.3
68.6
78.7
87.6
78 in
Width
78.7 in
84.3 in
Width Incl. Mirrors
87.6 in
72.8 in
Height
68.6 in
121.1
203.2
117.8
202.4
203.2 in
Length
202.4 in
121.1 in
Wheelbase
117.8 in
Vehicle Weight
Mercedes GLS 63 AMG
Bentley Bentayga Speed
5688 lb
Curb Weight
5492 lb
7253 lb
Gross Vehicle
Weight
Weight
7165 lb

Weight Difference:
196 lb
3.45 %

General
Mercedes GLS 63 AMG
Bentley Bentayga Speed
X166
Generation
Bentayga
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Premium Unleaded
Fuel Type
Premium Unleaded

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

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes GLS 63 AMG
Bentley Bentayga Speed
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
V12 gasoline engine with two turbochargers (biturbo)
Mercedes-Benz M 157
Engine Series
VW W12
M 157.982
Engine Code
DCU

4
Valves
4
8
Cylinders
12
5.5 L / 269 cu in
Displacement
6 L / 294 cu in
577 hp
at 5500 rpm
Power
626 hp
at 5000 rpm
Mercedes GLS 63 AMG
577 hp
626 hp
Bentley Bentayga Speed
561 lb‑ft
at 1750 rpm
Max. Torque
664 lb‑ft
at 1500 rpm
Mercedes GLS 63 AMG
561 lb‑ft
664 lb‑ft
Bentley Bentayga Speed
Performance
Mercedes GLS 63 AMG
Bentley Bentayga Speed
155 mph
Maximum Speed
190 mph
4.6 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
210 ft
0.000 sec

Mercedes GLS 63 AMG
62 mph
62
mph
mph
177 ft
0.000 sec

Bentley Bentayga Speed
▶ REPLAY
9.86 lb/hp
Weight-to-Power Ratio
8.77 lb/hp
Mercedes GLS 63 AMG
9.86 lb/hp
8.77 lb/hp
Bentley Bentayga Speed
Fuel Economy / Emissions
Mercedes GLS 63 AMG
Bentley Bentayga Speed
Fuel Economy
19 mpg
combined
No data
Mercedes GLS 63 AMG
19 mpg
mpg
Bentley Bentayga Speed
15 mpg
city
No data
23 mpg
highway
No data
26.4 gal
Fuel Tank Capacity
22.5 gal
505 mi
Range
No data
Mercedes GLS 63 AMG
505 mi
mi
Bentley Bentayga Speed
Environmental Impact
233 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 GLS 63 AMG
233 kWh
0 kWh
Bentley Bentayga Speed
Euro 6
Emission Standard
Euro 6
463 g/mi (NEFZ)
CO2 Emissions
496 g/mi (NEFZ)
Practical Convenience
Mercedes GLS 63 AMG
Bentley Bentayga Speed
5
Doors
5
5
No. of Seats
5
1565 lb
Maximum Payload
1673 lb
19.3 cu ft
Trunk Volume
13.7 cu ft












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