The Comparative Analysis :

Mercedes S 500 Convertible 9G-TRONIC (16 - 17) vs. BMW 650i Convertible xDrive Steptronic (15 - 18)

€ 140,500
Mercedes S 500 Convertible 9G-TRONIC (16 - 17) Mercedes S 500 Convertible
€ 106,700
 BMW 650i Convertible xDrive Steptronic (15 - 18) BMW 650i Cabrio
€ 140,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 106,700

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Mercedes S 500 Convertible is slightly bigger in every dimension. It's 5.2 inches longer, 0.2 inches wider and 1.8 inches taller than the BMW 650i Cabrio.
Mercedes S 500 Convertible
BMW 650i Cabrio
55.6
Blueprint Mercedes S 500 Convertible 9G-TRONIC (16 - 17)
74.8
83
53.7
Blueprint BMW 650i Convertible xDrive Steptronic (15 - 18)
74.6
81.9
74.8 in
Width
74.6 in
83 in
Width Incl. Mirrors
81.9 in
55.6 in
Height
53.7 in
Blueprint Mercedes S 500 Convertible 9G-TRONIC (16 - 17)
115.9
197.9
Blueprint BMW 650i Convertible xDrive Steptronic (15 - 18)
112.4
192.7
197.9 in
Length
192.7 in
115.9 in
Wheelbase
112.4 in

Vehicle Weight

Mercedes S 500 Convertible
BMW 650i Cabrio
4663 lb
Curb Weight
4530 lb
5710 lb
Gross Vehicle
Weight
5467 lb
Mercedes S 500 Convertible 9G-TRONIC (16 - 17)
Weight Difference:
132 lb
2.83 %
BMW 650i Convertible xDrive Steptronic (15 - 18)

General

Mercedes S 500 Convertible
BMW 650i Cabrio
A217
Generation
F12
Convertible
Car Body Style
Convertible
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
9-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Mercedes S 500 Convertible
BMW 650i Cabrio
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Mercedes-Benz M 278
Engine Series
BMW N63
M 278.929
Engine Code
N63-B44
4
Valves
4
8
Cylinders
8
4.7 L / 230 cu in
Displacement
4.4 L / 215 cu in
449 hp
at 5250 rpm
Power
444 hp
at 5500 rpm
Mercedes S 500 Convertible
449 hp
444 hp
BMW 650i Cabrio
516 lb‑ft
at 1800 rpm
Max. Torque
479 lb‑ft
at 2000 rpm
Mercedes S 500 Convertible
516 lb‑ft
479 lb‑ft
BMW 650i Cabrio

Performance

Mercedes S 500 Convertible
BMW 650i Cabrio
155 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

210 ft
0.000 sec

Mercedes S 500 Convertible

62 mph 62
mph

207 ft
0.000 sec

BMW 650i Cabrio

▶ REPLAY
10.39 lb/hp
Weight-to-Power Ratio
10.2 lb/hp
Mercedes S 500 Convertible
10.39 lb/hp
10.2 lb/hp
BMW 650i Cabrio

Fuel Economy / Emissions

Mercedes S 500 Convertible
BMW 650i Cabrio
Fuel Economy
28 mpg
combined
25 mpg
Mercedes S 500 Convertible
28 mpg
25 mpg
BMW 650i Cabrio
20 mpg
city
18 mpg
35 mpg
highway
No data
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
585 mi
Range
468 mi
Mercedes S 500 Convertible
585 mi
468 mi
BMW 650i Cabrio
Environmental Impact
161.1 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).
176.2 kWh
Mercedes S 500 Convertible
161.1 kWh
176.2 kWh
BMW 650i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
320 g/mi (NEFZ)
CO2 Emissions
349 g/mi (NEFZ)

Practical Convenience

Mercedes S 500 Convertible
BMW 650i Cabrio
2
Doors
2
4
No. of Seats
4
1047 lb
Maximum Payload
937 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data