The Comparative Analysis :
BMW 640i Convertible xDrive Steptronic (13 - 14) vs. BMW 635d Convertible Sport-Automatic (07 - 10)
€ 87,300
€ 85,200
€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The 640i Cabrio is 2.9 inches longer, 1.5 inches wider and 0.4 inches lower than the 635d Cabrio.
640i Cabrio
635d Cabrio
53.7
74.6
81.9
54.1
73
80.2
74.6 in
Width
73 in
81.9 in
Width Incl. Mirrors
80.2 in
53.7 in
Height
54.1 in
112.4
192.7
109.4
189.8
192.7 in
Length
189.8 in
112.4 in
Wheelbase
109.4 in
Vehicle Weight
640i Cabrio
635d Cabrio
4376 lb
Curb Weight
4266 lb
5291 lb
Gross Vehicle
Weight
Weight
4982 lb
Weight Difference:
110 lb
2.51 %
General
640i Cabrio
635d Cabrio
F12
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
640i Cabrio
635d Cabrio
Straight-six gasoline engine with turbocharger
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
BMW N55
Engine Series
BMW M57
N55-B30
Engine Code
M57-D30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
316 hp
at 5800 rpm
Power
282 hp
at 4400 rpm
640i Cabrio
316 hp
282 hp
635d Cabrio
332 lb‑ft
at 1300 rpm
Max. Torque
428 lb‑ft
at 1750 rpm
640i Cabrio
332 lb‑ft
428 lb‑ft
635d Cabrio
Performance
640i Cabrio
635d Cabrio
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
246 ft
0.000 sec
640i Cabrio
62 mph
62
mph
mph
302 ft
0.000 sec
635d Cabrio
▶ REPLAY
13.85 lb/hp
Weight-to-Power Ratio
15.13 lb/hp
640i Cabrio
13.85 lb/hp
15.13 lb/hp
635d Cabrio
Fuel Economy / Emissions
640i Cabrio
635d Cabrio
Fuel Economy
29 mpg
combined
33 mpg
640i Cabrio
29 mpg
33 mpg
635d Cabrio
21 mpg
city
25 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
531 mi
Range
604 mi
640i Cabrio
531 mi
604 mi
635d Cabrio
Environmental Impact
155.3 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).
148.1 kWh
640i Cabrio
155.3 kWh
148.1 kWh
635d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 4
309 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
640i Cabrio
635d Cabrio
2
Doors
2
4
No. of Seats
4
915 lb
Maximum Payload
717 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
