The Comparative Analysis :
BMW 640i Convertible Steptronic (15 - 18) vs. BMW 640d Convertible Steptronic (15 - 18)
€ 91,700
€ 95,900
€ 91,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the 640i Cabrio and the 640d Cabrio are absolutely identical. Both are 192.7 inches long, 74.6 inches wide and 53.7 inches tall.
640i Cabrio
640d Cabrio
53.7
74.6
81.9
53.7
74.6
81.9
74.6 in
Width
74.6 in
81.9 in
Width Incl. Mirrors
81.9 in
53.7 in
Height
53.7 in
112.4
192.7
112.4
192.7
192.7 in
Length
192.7 in
112.4 in
Wheelbase
112.4 in
Vehicle Weight
640i Cabrio
640d Cabrio
4178 lb
Curb Weight
4266 lb
5126 lb
Gross Vehicle
Weight
Weight
5214 lb
Weight Difference:
88 lb
2.06 %
General
640i Cabrio
640d Cabrio
F12
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
640i Cabrio
640d Cabrio
Straight-six gasoline engine with turbocharger
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
BMW N55
Engine Series
BMW N57
N55-B30
Engine Code
N57-D30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
316 hp
at 5800 rpm
Power
309 hp
at 4400 rpm
640i Cabrio
316 hp
309 hp
640d Cabrio
332 lb‑ft
at 1300 rpm
Max. Torque
465 lb‑ft
at 1500 rpm
640i Cabrio
332 lb‑ft
465 lb‑ft
640d Cabrio
Performance
640i Cabrio
640d Cabrio
155 mph
Maximum Speed
155 mph
5.5 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
249 ft
0.000 sec
640i Cabrio
62 mph
62
mph
mph
249 ft
0.000 sec
640d Cabrio
▶ REPLAY
13.22 lb/hp
Weight-to-Power Ratio
13.81 lb/hp
640i Cabrio
13.22 lb/hp
13.81 lb/hp
640d Cabrio
Fuel Economy / Emissions
640i Cabrio
640d Cabrio
Fuel Economy
31 mpg
combined
42 mpg
640i Cabrio
31 mpg
42 mpg
640d Cabrio
22 mpg
city
36 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
565 mi
Range
777 mi
640i Cabrio
565 mi
777 mi
640d Cabrio
Environmental Impact
145.8 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).
115.2 kWh
640i Cabrio
145.8 kWh
115.2 kWh
640d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
288 g/mi (NEFZ)
CO2 Emissions
240 g/mi (NEFZ)
Practical Convenience
640i Cabrio
640d Cabrio
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
948 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
