The Comparative Analysis :
BMW 640d Convertible xDrive Steptronic (15 - 18) vs. Mercedes Maybach S 650 Convertible 7G-TRONIC (17 - 17)
€ 99,300
![BMW 640d Convertible xDrive Steptronic (15 - 18)](graphbase/cars/cars_big_png/BMW_6er_F12-15.png)
€ 357,000
![Mercedes Maybach S 650 Convertible 7G-TRONIC (17 - 17)](graphbase/cars/cars_big/Mercedes_S_Maybach_A217.webp)
€ 99,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 357,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640d Cabrio is slightly smaller in every dimension. It's 5.2 inches shorter, 0.2 inches narrower and 1.8 inches lower than the Mercedes Maybach S 650 Convertible.
BMW 640d Cabrio
Mercedes Maybach S 650 Convertible
53.7
74.6
81.9
55.6
74.8
83
74.6 in
Width
74.8 in
81.9 in
Width Incl. Mirrors
83 in
53.7 in
Height
55.6 in
112.4
192.7
115.9
197.9
192.7 in
Length
197.9 in
112.4 in
Wheelbase
115.9 in
Vehicle Weight
BMW 640d Cabrio
Mercedes Maybach S 650 Convertible
4420 lb
Curb Weight
4663 lb
5379 lb
Gross Vehicle
Weight
Weight
5710 lb
![BMW 640d Convertible xDrive Steptronic (15 - 18)](graphbase/cars/cars_big_png/BMW_6er_F12-15.png)
Weight Difference:
243 lb
5.21 %
![Mercedes Maybach S 650 Convertible 7G-TRONIC (17 - 17)](graphbase/cars/cars_big_png/Mercedes_S_Maybach_A217.png)
General
BMW 640d Cabrio
Mercedes Maybach S 650 Convertible
F12
Generation
A217
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
![](graphbase/drivetrain/AWD.png)
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 640d Cabrio
Mercedes Maybach S 650 Convertible
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
V12 gasoline engine with two turbochargers (biturbo)
BMW N57
Engine Series
Mercedes-Benz M 276
N57-D30
Engine Code
M 276.823
![](graphbase/engines/BMW_N57.png)
![](graphbase/engines/Mercedes-Benz_M_276.png)
4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
6 L / 294 cu in
309 hp
at 4400 rpm
Power
621 hp
at 4800 rpm
BMW 640d Cabrio
309 hp
621 hp
Mercedes Maybach S 650 Convertible
465 lb‑ft
at 1500 rpm
Max. Torque
738 lb‑ft
at 2300 rpm
BMW 640d Cabrio
465 lb‑ft
738 lb‑ft
Mercedes Maybach S 650 Convertible
Performance
BMW 640d Cabrio
Mercedes Maybach S 650 Convertible
155 mph
Maximum Speed
155 mph
5.3 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph
62
mph
mph
243 ft
0.000 sec
![](graphbase/cars/cars_small_png/BMW_6er_F12-15.png)
BMW 640d Cabrio
62 mph
62
mph
mph
187 ft
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_S_Maybach_A217.png)
Mercedes Maybach S 650 Convertible
▶ REPLAY
14.3 lb/hp
Weight-to-Power Ratio
7.51 lb/hp
BMW 640d Cabrio
14.3 lb/hp
7.51 lb/hp
Mercedes Maybach S 650 Convertible
Fuel Economy / Emissions
BMW 640d Cabrio
Mercedes Maybach S 650 Convertible
Fuel Economy
41 mpg
combined
20 mpg
BMW 640d Cabrio
41 mpg
20 mpg
Mercedes Maybach S 650 Convertible
35 mpg
city
14 mpg
No data
highway
26 mpg
18.5 gal
Fuel Tank Capacity
21.1 gal
750 mi
Range
414 mi
BMW 640d Cabrio
750 mi
414 mi
Mercedes Maybach S 650 Convertible
Environmental Impact
119.3 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).
227.4 kWh
BMW 640d Cabrio
119.3 kWh
227.4 kWh
Mercedes Maybach S 650 Convertible
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
248 g/mi (NEFZ)
CO2 Emissions
438 g/mi (NEFZ)
Practical Convenience
BMW 640d Cabrio
Mercedes Maybach S 650 Convertible
2
Doors
2
4
No. of Seats
4
959 lb
Maximum Payload
1047 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
No data
Cargo Volume (Seats Down)
No data