The Comparative Analysis :

BMW 840d Convertible xDrive Steptronic (19 - ..) vs. Porsche 911 Carrera Convertible PDK (15 - 18)

€ 108,000
BMW 840d Convertible xDrive Steptronic (19 - ..) BMW 840d Cabrio
€ 114,500
 Porsche 911 Carrera Convertible PDK (15 - 18) Porsche 911 Carrera Convertible
€ 108,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 114,500

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

Vehicle Dimensions

The BMW 840d Cabrio is considerably bigger in every dimension. It's 13.5 inches longer, 3.7 inches wider and 2 inches taller than the Porsche 911 Carrera Convertible.
BMW 840d Cabrio
Porsche 911 Carrera Convertible
52.7
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
74.9
84.1
50.7
Blueprint Porsche 911 Carrera Convertible PDK (15 - 18)
71.2
77.9
74.9 in
Width
71.2 in
84.1 in
Width Incl. Mirrors
77.9 in
52.7 in
Height
50.7 in
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
111.1
190.7
Blueprint Porsche 911 Carrera Convertible PDK (15 - 18)
96.5
177.1
190.7 in
Length
177.1 in
111.1 in
Wheelbase
96.5 in

Vehicle Weight

BMW 840d Cabrio
Porsche 911 Carrera Convertible
4475 lb
Curb Weight
3516 lb
5478 lb
Gross Vehicle
Weight
4277 lb
BMW 840d Convertible xDrive Steptronic (19 - ..)
Weight Difference:
959 lb
21.43 %
Porsche 911 Carrera Convertible PDK (15 - 18)

General

BMW 840d Cabrio
Porsche 911 Carrera Convertible
G14
Generation
991
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW 840d Cabrio
Porsche 911 Carrera Convertible
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
BMW B57
Engine Series
B57-D30
Engine Code
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
316 hp
at 4400 rpm
Power
365 hp
at 6500 rpm
BMW 840d Cabrio
316 hp
365 hp
Porsche 911 Carrera Convertible
502 lb‑ft
at 1750 rpm
Max. Torque
332 lb‑ft
at 1700 rpm
BMW 840d Cabrio
502 lb‑ft
332 lb‑ft
Porsche 911 Carrera Convertible

Performance

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

236 ft
0.000 sec

BMW 840d Cabrio

62 mph 62
mph

210 ft
0.000 sec

Porsche 911 Carrera Convertible

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

Fuel Economy / Emissions

BMW 840d Cabrio
Porsche 911 Carrera Convertible
Fuel Economy
38 mpg
combined
31 mpg
BMW 840d Cabrio
38 mpg
31 mpg
Porsche 911 Carrera Convertible
32 mpg
city
24 mpg
No data
highway
38 mpg
Kraftstoffanzeige
17.4 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
662 mi
Range
530 mi
BMW 840d Cabrio
662 mi
530 mi
Porsche 911 Carrera Convertible
Environmental Impact
127.6 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).
142.1 kWh
BMW 840d Cabrio
127.6 kWh
142.1 kWh
Porsche 911 Carrera Convertible
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
296 g/mi (WLTP)
CO2 Emissions
277 g/mi (NEFZ)

Practical Convenience

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