The Comparative Analysis :
BMW M6 Convertible SMG (06 - 10) vs. BMW 630i Convertible (07 - 10)
€ 123,200

€ 78,900

€ 123,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 78,900
ⓘ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. Both cars are the same width, but the M6 Cabrio is 2 inches longer and 0.1 inches taller.
M6 Cabrio
630i Cabrio
54.2
73
80.2
54.1
73
80.2
73 in
Width
73 in
80.2 in
Width Incl. Mirrors
80.2 in
54.2 in
Height
54.1 in
109.5
191.8
109.4
189.8
191.8 in
Length
189.8 in
109.5 in
Wheelbase
109.4 in
Vehicle Weight
M6 Cabrio
630i Cabrio
4420 lb
Curb Weight
4001 lb
5247 lb
Gross Vehicle
Weight
Weight
4718 lb

Weight Difference:
419 lb
9.48 %

General
M6 Cabrio
630i Cabrio
E64
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automated manual transmission (AMT)
Transmission
6-speed manual transmission
Engine
M6 Cabrio
630i Cabrio
V10 gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
BMW S85
Engine Series
BMW N53
S85-B50
Engine Code
N53-B30

4
Valves
4
10
Cylinders
6
5 L / 245 cu in
Displacement
3 L / 147 cu in
500 hp
at 7750 rpm
Power
268 hp
at 6700 rpm
M6 Cabrio
500 hp
268 hp
630i Cabrio
384 lb‑ft
at 6100 rpm
Max. Torque
236 lb‑ft
at 2750 rpm
M6 Cabrio
384 lb‑ft
236 lb‑ft
630i Cabrio
Performance
M6 Cabrio
630i Cabrio
155 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
6.7 sec
62 mph
62
mph
mph
220 ft
0.000 sec

M6 Cabrio
62 mph
62
mph
mph
305 ft
0.000 sec

630i Cabrio
▶ REPLAY
8.84 lb/hp
Weight-to-Power Ratio
14.93 lb/hp
M6 Cabrio
8.84 lb/hp
14.93 lb/hp
630i Cabrio
Fuel Economy / Emissions
M6 Cabrio
630i Cabrio
Fuel Economy
16 mpg
combined
28 mpg
M6 Cabrio
16 mpg
28 mpg
630i Cabrio
11 mpg
city
20 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
296 mi
Range
524 mi
M6 Cabrio
296 mi
524 mi
630i 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).
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).
157.2 kWh
M6 Cabrio
278.4 kWh
157.2 kWh
630i Cabrio
Euro 4
Emission Standard
Euro 4
566 g/mi (NEFZ)
CO2 Emissions
319 g/mi (NEFZ)
Practical Convenience
M6 Cabrio
630i Cabrio
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
717 lb
9.9 cu ft
Trunk Volume
9.9 cu ft








No data
Cargo Volume (Seats Down)
No data