The Comparative Analysis :

Porsche 911 Carrera Convertible PDK (12 - 15) vs. BMW 640d Convertible xDrive Steptronic (12 - 14)

€ 106,700
Porsche 911 Carrera Convertible PDK (12 - 15) Porsche 911 Carrera Convertible
€ 90,800
 BMW 640d Convertible xDrive Steptronic (12 - 14) BMW 640d Cabrio
€ 106,700
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 15.9 inches shorter, 3.4 inches narrower and 2.6 inches lower than the BMW 640d Cabrio.
Porsche 911 Carrera Convertible
BMW 640d Cabrio
51.1
Blueprint Porsche 911 Carrera Convertible PDK (12 - 15)
71.2
77.9
53.7
Blueprint BMW 640d Convertible xDrive Steptronic (12 - 14)
74.6
81.9
71.2 in
Width
74.6 in
77.9 in
Width Incl. Mirrors
81.9 in
51.1 in
Height
53.7 in
Blueprint Porsche 911 Carrera Convertible PDK (12 - 15)
96.5
176.8
Blueprint BMW 640d Convertible xDrive Steptronic (12 - 14)
112.4
192.7
176.8 in
Length
192.7 in
96.5 in
Wheelbase
112.4 in

Vehicle Weight

Porsche 911 Carrera Convertible
BMW 640d Cabrio
3406 lb
Curb Weight
4420 lb
4123 lb
Gross Vehicle
Weight
5379 lb
Porsche 911 Carrera Convertible PDK (12 - 15)
Weight Difference:
1014 lb
22.94 %
BMW 640d Convertible xDrive Steptronic (12 - 14)

General

Porsche 911 Carrera Convertible
BMW 640d Cabrio
991
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
3.4 L / 166 cu in
Displacement
3 L / 147 cu in
345 hp
at 7400 rpm
Power
309 hp
at 4400 rpm
Porsche 911 Carrera Convertible
345 hp
309 hp
BMW 640d Cabrio
288 lb‑ft
at 5600 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
176 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

220 ft
0.000 sec

Porsche 911 Carrera Convertible

62 mph 62
mph

246 ft
0.000 sec

BMW 640d Cabrio

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

Fuel Economy / Emissions

Porsche 911 Carrera Convertible
BMW 640d Cabrio
Fuel Economy
28 mpg
combined
40 mpg
Porsche 911 Carrera Convertible
28 mpg
40 mpg
BMW 640d Cabrio
21 mpg
city
33 mpg
35 mpg
highway
No data
Kraftstoffanzeige
16.9 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
473 mi
Range
737 mi
Porsche 911 Carrera Convertible
473 mi
737 mi
BMW 640d Cabrio
Environmental Impact
159.2 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
159.2 kWh
121.3 kWh
BMW 640d Cabrio
Euro 5 / Euro 6
Emission Standard
Euro 5
319 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
717 lb
Maximum Payload
959 lb
4.1 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data