The Comparative Analysis :

Porsche 911 Turbo Convertible PDK (13 - 15) vs. BMW 840d Convertible xDrive Steptronic (19 - ..)

€ 177,900
Porsche 911 Turbo Convertible PDK (13 - 15) Porsche 911 Turbo Convertible
€ 108,000
 BMW 840d Convertible xDrive Steptronic (19 - ..) BMW 840d Cabrio
€ 177,900
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 Turbo Convertible is considerably smaller in every dimension. It's 13.3 inches shorter, 0.9 inches narrower and 1.9 inches lower than the BMW 840d Cabrio.
Porsche 911 Turbo Convertible
BMW 840d Cabrio
50.9
Blueprint Porsche 911 Turbo Convertible PDK (13 - 15)
74
77.9
52.7
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
74.9
84.1
74 in
Width
74.9 in
77.9 in
Width Incl. Mirrors
84.1 in
50.9 in
Height
52.7 in
Blueprint Porsche 911 Turbo Convertible PDK (13 - 15)
96.5
177.4
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
111.1
190.7
177.4 in
Length
190.7 in
96.5 in
Wheelbase
111.1 in

Vehicle Weight

Porsche 911 Turbo Convertible
BMW 840d Cabrio
3836 lb
Curb Weight
4475 lb
4508 lb
Gross Vehicle
Weight
5478 lb
Porsche 911 Turbo Convertible PDK (13 - 15)
Weight Difference:
639 lb
14.28 %
BMW 840d Convertible xDrive Steptronic (19 - ..)

General

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

Engine

Porsche 911 Turbo Convertible
BMW 840d Cabrio
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW B57
Engine Code
B57-D30
4
Valves
4
6
Cylinders
6
3.8 L / 186 cu in
Displacement
3 L / 147 cu in
513 hp
at 6000 rpm
Power
316 hp
at 4400 rpm
Porsche 911 Turbo Convertible
513 hp
316 hp
BMW 840d Cabrio
487 lb‑ft
at 5600 rpm
Max. Torque
502 lb‑ft
at 1750 rpm
Porsche 911 Turbo Convertible
487 lb‑ft
502 lb‑ft
BMW 840d Cabrio

Performance

Porsche 911 Turbo Convertible
BMW 840d Cabrio
196 mph
Maximum Speed
155 mph
3.5 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

161 ft
0.000 sec

Porsche 911 Turbo Convertible

62 mph 62
mph

236 ft
0.000 sec

BMW 840d Cabrio

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

Fuel Economy / Emissions

Porsche 911 Turbo Convertible
BMW 840d Cabrio
Fuel Economy
24 mpg
combined
38 mpg
Porsche 911 Turbo Convertible
24 mpg
38 mpg
BMW 840d Cabrio
18 mpg
city
32 mpg
30 mpg
highway
No data
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
17.4 gal
Kraftstoffanzeige
427 mi
Range
662 mi
Porsche 911 Turbo Convertible
427 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 Turbo Convertible
187.5 kWh
127.6 kWh
BMW 840d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
372 g/mi (NEFZ)
CO2 Emissions
296 g/mi (WLTP)

Practical Convenience

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