The Comparative Analysis :

Porsche 911 Carrera Convertible 4S (08 - 12) vs. BMW 840d Convertible xDrive Steptronic (19 - ..)

€ 116,700
Porsche 911 Carrera Convertible 4S (08 - 12) Porsche 911 Carrera Convertible 4S
€ 108,000
 BMW 840d Convertible xDrive Steptronic (19 - ..) BMW 840d Cabrio
€ 116,700
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 4S is considerably smaller in every dimension. It's 16.1 inches shorter, 2 inches narrower and 1.5 inches lower than the BMW 840d Cabrio.
Porsche 911 Carrera Convertible 4S
BMW 840d Cabrio
51.2
Blueprint Porsche 911 Carrera Convertible 4S (08 - 12)
72.9
80.8
52.7
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
74.9
84.1
72.9 in
Width
74.9 in
80.8 in
Width Incl. Mirrors
84.1 in
51.2 in
Height
52.7 in
Blueprint Porsche 911 Carrera Convertible 4S (08 - 12)
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 4S
BMW 840d Cabrio
3616 lb
Curb Weight
4475 lb
4277 lb
Gross Vehicle
Weight
5478 lb
Porsche 911 Carrera Convertible 4S (08 - 12)
Weight Difference:
860 lb
19.22 %
BMW 840d Convertible xDrive Steptronic (19 - ..)

General

Porsche 911 Carrera Convertible 4S
BMW 840d Cabrio
997
Generation
G14
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 Carrera Convertible 4S
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
3.8 L / 186 cu in
Displacement
3 L / 147 cu in
380 hp
at 6500 rpm
Power
316 hp
at 4400 rpm
Porsche 911 Carrera Convertible 4S
380 hp
316 hp
BMW 840d Cabrio
310 lb‑ft
at 4400 rpm
Max. Torque
502 lb‑ft
at 1750 rpm
Porsche 911 Carrera Convertible 4S
310 lb‑ft
502 lb‑ft
BMW 840d Cabrio

Performance

Porsche 911 Carrera Convertible 4S
BMW 840d Cabrio
185 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 4S

62 mph 62
mph

236 ft
0.000 sec

BMW 840d Cabrio

▶ REPLAY
9.52 lb/hp
Weight-to-Power Ratio
14.16 lb/hp
Porsche 911 Carrera Convertible 4S
9.52 lb/hp
14.16 lb/hp
BMW 840d Cabrio

Fuel Economy / Emissions

Porsche 911 Carrera Convertible 4S
BMW 840d Cabrio
Fuel Economy
21 mpg
combined
38 mpg
Porsche 911 Carrera Convertible 4S
21 mpg
38 mpg
BMW 840d Cabrio
14 mpg
city
32 mpg
30 mpg
highway
No data
Kraftstoffanzeige
17.7 gal
Fuel Tank Capacity
17.4 gal
Kraftstoffanzeige
372 mi
Range
662 mi
Porsche 911 Carrera Convertible 4S
372 mi
662 mi
BMW 840d Cabrio
Environmental Impact
212.1 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 4S
212.1 kWh
127.6 kWh
BMW 840d Cabrio
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
423 g/mi (NEFZ)
CO2 Emissions
296 g/mi (WLTP)

Practical Convenience

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