The Comparative Analysis :

BMW M6 Convertible SMG (06 - 10) vs. BMW 650i Convertible xDrive Steptronic (13 - 14)

€ 123,200
BMW M6 Convertible SMG (06 - 10) M6 Cabrio
€ 99,300
BMW 650i Convertible xDrive Steptronic (13 - 14) 650i Cabrio
€ 123,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 99,300

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

Vehicle Dimensions

The dimensions of these vehicles differ a little. The M6 Cabrio is 0.9 inches shorter, 1.5 inches narrower and 0.5 inches taller than the 650i Cabrio.
M6 Cabrio
650i Cabrio
54.2
Blueprint BMW M6 Convertible SMG (06 - 10)
73
80.2
53.7
Blueprint BMW 650i Convertible xDrive Steptronic (13 - 14)
74.6
81.9
73 in
Width
74.6 in
80.2 in
Width Incl. Mirrors
81.9 in
54.2 in
Height
53.7 in
Blueprint BMW M6 Convertible SMG (06 - 10)
109.5
191.8
Blueprint BMW 650i Convertible xDrive Steptronic (13 - 14)
112.4
192.7
191.8 in
Length
192.7 in
109.5 in
Wheelbase
112.4 in

Vehicle Weight

M6 Cabrio
650i Cabrio
4420 lb
Curb Weight
4530 lb
5247 lb
Gross Vehicle
Weight
5434 lb
BMW M6 Convertible SMG (06 - 10)
Weight Difference:
110 lb
2.43 %
BMW 650i Convertible xDrive Steptronic (13 - 14)

General

M6 Cabrio
650i Cabrio
E64
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automated manual transmission (AMT)
Transmission
8-speed automatic transmission

Engine

M6 Cabrio
650i Cabrio
V10 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW S85
Engine Series
BMW N63
S85-B50
Engine Code
N63-B44
4
Valves
4
10
Cylinders
8
5 L / 245 cu in
Displacement
4.4 L / 215 cu in
500 hp
at 7750 rpm
Power
444 hp
at 5500 rpm
M6 Cabrio
500 hp
444 hp
650i Cabrio
384 lb‑ft
at 6100 rpm
Max. Torque
479 lb‑ft
at 2000 rpm
M6 Cabrio
384 lb‑ft
479 lb‑ft
650i Cabrio

Performance

M6 Cabrio
650i Cabrio
155 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

220 ft
0.000 sec

M6 Cabrio

62 mph 62
mph

223 ft
0.000 sec

650i Cabrio

 REPLAY
8.84 lb/hp
Weight-to-Power Ratio
10.2 lb/hp
M6 Cabrio
8.84 lb/hp
10.2 lb/hp
650i Cabrio

Fuel Economy / Emissions

M6 Cabrio
650i Cabrio
Fuel Economy
16 mpg
combined
25 mpg
M6 Cabrio
16 mpg
25 mpg
650i Cabrio
11 mpg
city
18 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
296 mi
Range
468 mi
M6 Cabrio
296 mi
468 mi
650i Cabrio
Environmental Impact
278.4 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
M6 Cabrio
278.4 kWh
176.2 kWh
650i Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
566 g/mi (NEFZ)
CO2 Emissions
349 g/mi (NEFZ)

Practical Convenience

M6 Cabrio
650i Cabrio
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
904 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data