The Comparative Analysis :
Bentley Mulsanne Speed Automatic (16 - ..) vs. Mercedes S 400 h 7G-TRONIC PLUS (15 - 17)
€ 330,500
€ 87,600
€ 330,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 87,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Bentley Mulsanne Speed is significantly bigger in every dimension. It's 18.1 inches longer, 1.1 inches wider and an inch taller than the Mercedes S 400 h.
Bentley Mulsanne Speed
Mercedes S 400 h
59.9
75.8
86.9
58.9
74.8
83.9
75.8 in
Width
74.8 in
86.9 in
Width Incl. Mirrors
83.9 in
59.9 in
Height
58.9 in
128.6
219.5
119.5
201.4
219.5 in
Length
201.4 in
128.6 in
Wheelbase
119.5 in
Vehicle Weight
Bentley Mulsanne Speed
Mercedes S 400 h
5919 lb
Curb Weight
4244 lb
7055 lb
Gross Vehicle
Weight
Weight
5721 lb
Weight Difference:
1676 lb
28.31 %
General
Bentley Mulsanne Speed
Mercedes S 400 h
Mulsanne
Generation
W222/X222
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Bentley Mulsanne Speed
Mercedes S 400 h
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder full hybrid gasoline engine (naturally aspirated engine)
Rolls-Royce–Bentley L-series V8
Engine Series
Mercedes-Benz M 276
CZMB
Engine Code
M 276.960

4
Valves
4
8
Cylinders
6
6.8 L / 333 cu in
Displacement
3.5 L / 171 cu in
530 hp
at 4000 rpm
Power
328 hp
at 6500 rpm
Bentley Mulsanne Speed
530 hp
328 hp
Mercedes S 400 h
811 lb‑ft
at 1750 rpm
Max. Torque
457 lb‑ft
at 3500 rpm
Bentley Mulsanne Speed
811 lb‑ft
457 lb‑ft
Mercedes S 400 h
Performance
Bentley Mulsanne Speed
Mercedes S 400 h
190 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph
62
mph
mph
223 ft
0.000 sec
Bentley Mulsanne Speed
62 mph
62
mph
mph
308 ft
0.000 sec
Mercedes S 400 h
▶ REPLAY
11.17 lb/hp
Weight-to-Power Ratio
12.94 lb/hp
Bentley Mulsanne Speed
11.17 lb/hp
12.94 lb/hp
Mercedes S 400 h
Fuel Economy / Emissions
Bentley Mulsanne Speed
Mercedes S 400 h
Fuel Economy
16 mpg
combined
39 mpg
Bentley Mulsanne Speed
16 mpg
39 mpg
Mercedes S 400 h
10 mpg
city
37 mpg
No data
highway
41 mpg
25.4 gal
Fuel Tank Capacity
18.5 gal
398 mi
Range
725 mi
Bentley Mulsanne Speed
398 mi
725 mi
Mercedes S 400 h
Environmental Impact
284.2 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).
113.6 kWh
Bentley Mulsanne Speed
284.2 kWh
113.6 kWh
Mercedes S 400 h
Euro 6
Emission Standard
Euro 6b (NEFZ)
550 g/mi (NEFZ)
CO2 Emissions
224 g/mi (NEFZ)
Practical Convenience
Bentley Mulsanne Speed
Mercedes S 400 h
4
Doors
4
4
No. of Seats
5
1135 lb
Maximum Payload
1477 lb
12.5 cu ft
Trunk Volume
14.4 cu ft








No data
Cargo Volume (Seats Down)
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