The Comparative Analysis :

Porsche 911 Carrera Convertible PDK (08 - 11) vs. BMW 840d Convertible xDrive Steptronic (19 - ..)

€ 100,400
Porsche 911 Carrera Convertible PDK (08 - 11) Porsche 911 Carrera Convertible
€ 108,000
 BMW 840d Convertible xDrive Steptronic (19 - ..) BMW 840d Cabrio
€ 100,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,000

ⓘ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 16.1 inches shorter, 3.7 inches narrower and 1.1 inches lower than the BMW 840d Cabrio.
Porsche 911 Carrera Convertible
BMW 840d Cabrio
51.6
Blueprint Porsche 911 Carrera Convertible PDK (08 - 11)
71.2
79.1
52.7
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
74.9
84.1
71.2 in
Width
74.9 in
79.1 in
Width Incl. Mirrors
84.1 in
51.6 in
Height
52.7 in
Blueprint Porsche 911 Carrera Convertible PDK (08 - 11)
92.5
174.6
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
111.1
190.7
174.6 in
Length
190.7 in
92.5 in
Wheelbase
111.1 in

Vehicle Weight

Porsche 911 Carrera Convertible
BMW 840d Cabrio
3538 lb
Curb Weight
4475 lb
4211 lb
Gross Vehicle
Weight
5478 lb
Porsche 911 Carrera Convertible PDK (08 - 11)
Weight Difference:
937 lb
20.94 %
BMW 840d Convertible xDrive Steptronic (19 - ..)

General

Porsche 911 Carrera Convertible
BMW 840d Cabrio
997
Generation
G14
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 840d Cabrio
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW B57
Engine Code
B57-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
316 hp
at 4400 rpm
Porsche 911 Carrera Convertible
340 hp
316 hp
BMW 840d Cabrio
288 lb‑ft
at 4400 rpm
Max. Torque
502 lb‑ft
at 1750 rpm
Porsche 911 Carrera Convertible
288 lb‑ft
502 lb‑ft
BMW 840d Cabrio

Performance

Porsche 911 Carrera Convertible
BMW 840d Cabrio
178 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

223 ft
0.000 sec

Porsche 911 Carrera Convertible

62 mph 62
mph

236 ft
0.000 sec

BMW 840d Cabrio

▶ REPLAY
10.41 lb/hp
Weight-to-Power Ratio
14.16 lb/hp
Porsche 911 Carrera Convertible
10.41 lb/hp
14.16 lb/hp
BMW 840d Cabrio

Fuel Economy / Emissions

Porsche 911 Carrera Convertible
BMW 840d Cabrio
Fuel Economy
24 mpg
combined
38 mpg
Porsche 911 Carrera Convertible
24 mpg
38 mpg
BMW 840d Cabrio
16 mpg
city
32 mpg
34 mpg
highway
No data
Kraftstoffanzeige
16.9 gal
Fuel Tank Capacity
17.4 gal
Kraftstoffanzeige
401 mi
Range
662 mi
Porsche 911 Carrera Convertible
401 mi
662 mi
BMW 840d 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).
127.6 kWh
Porsche 911 Carrera Convertible
187.5 kWh
127.6 kWh
BMW 840d Cabrio
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
375 g/mi (NEFZ)
CO2 Emissions
296 g/mi (WLTP)

Practical Convenience

Porsche 911 Carrera Convertible
BMW 840d Cabrio
2
Doors
2
4
No. of Seats
4
672 lb
Maximum Payload
1003 lb
3.8 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data