The Comparative Analysis :

Porsche 911 Carrera Convertible PDK (08 - 11) vs. BMW 640d Convertible xDrive Steptronic (12 - 14)

€ 100,400
Porsche 911 Carrera Convertible PDK (08 - 11) Porsche 911 Carrera Convertible
€ 90,800
 BMW 640d Convertible xDrive Steptronic (12 - 14) BMW 640d Cabrio
€ 100,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 90,800

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

Vehicle Dimensions

The Porsche 911 Carrera Convertible is significantly smaller in every dimension. It's 18.1 inches shorter, 3.4 inches narrower and 2.2 inches lower than the BMW 640d Cabrio.
Porsche 911 Carrera Convertible
BMW 640d Cabrio
51.6
Blueprint Porsche 911 Carrera Convertible PDK (08 - 11)
71.2
79.1
53.7
Blueprint BMW 640d Convertible xDrive Steptronic (12 - 14)
74.6
81.9
71.2 in
Width
74.6 in
79.1 in
Width Incl. Mirrors
81.9 in
51.6 in
Height
53.7 in
Blueprint Porsche 911 Carrera Convertible PDK (08 - 11)
92.5
174.6
Blueprint BMW 640d Convertible xDrive Steptronic (12 - 14)
112.4
192.7
174.6 in
Length
192.7 in
92.5 in
Wheelbase
112.4 in

Vehicle Weight

Porsche 911 Carrera Convertible
BMW 640d Cabrio
3538 lb
Curb Weight
4420 lb
4211 lb
Gross Vehicle
Weight
5379 lb
Porsche 911 Carrera Convertible PDK (08 - 11)
Weight Difference:
882 lb
19.95 %
BMW 640d Convertible xDrive Steptronic (12 - 14)

General

Porsche 911 Carrera Convertible
BMW 640d Cabrio
997
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed dual clutch transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Carrera Convertible
BMW 640d Cabrio
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW N57
Engine Code
N57-D30
4
Valves
4
6
Cylinders
6
3.6 L / 176 cu in
Displacement
3 L / 147 cu in
340 hp
at 6500 rpm
Power
309 hp
at 4400 rpm
Porsche 911 Carrera Convertible
340 hp
309 hp
BMW 640d Cabrio
288 lb‑ft
at 4400 rpm
Max. Torque
465 lb‑ft
at 1500 rpm
Porsche 911 Carrera Convertible
288 lb‑ft
465 lb‑ft
BMW 640d Cabrio

Performance

Porsche 911 Carrera Convertible
BMW 640d Cabrio
178 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

223 ft
0.000 sec

Porsche 911 Carrera Convertible

62 mph 62
mph

246 ft
0.000 sec

BMW 640d Cabrio

▶ REPLAY
10.41 lb/hp
Weight-to-Power Ratio
14.3 lb/hp
Porsche 911 Carrera Convertible
10.41 lb/hp
14.3 lb/hp
BMW 640d Cabrio

Fuel Economy / Emissions

Porsche 911 Carrera Convertible
BMW 640d Cabrio
Fuel Economy
24 mpg
combined
40 mpg
Porsche 911 Carrera Convertible
24 mpg
40 mpg
BMW 640d Cabrio
16 mpg
city
33 mpg
34 mpg
highway
No data
Kraftstoffanzeige
16.9 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
401 mi
Range
737 mi
Porsche 911 Carrera Convertible
401 mi
737 mi
BMW 640d Cabrio
Environmental Impact
187.5 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).
121.3 kWh
Porsche 911 Carrera Convertible
187.5 kWh
121.3 kWh
BMW 640d Cabrio
Euro 5
Emission Standard
Euro 5
375 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)

Practical Convenience

Porsche 911 Carrera Convertible
BMW 640d Cabrio
2
Doors
2
4
No. of Seats
4
672 lb
Maximum Payload
959 lb
3.8 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data