The Comparative Analysis :
BMW M850i Convertible xDrive Steptronic Sport (19 - ..) vs. Porsche 911 Turbo Convertible PDK (09 - 13)
€ 133,700
![BMW M850i Convertible xDrive Steptronic Sport (19 - ..)](graphbase/cars/cars_big_png/BMW_8er_G14.png)
€ 165,600
![Porsche 911 Turbo Convertible PDK (09 - 13)](graphbase/cars/cars_big/Porsche_911_Cabriolet_Turbo_997-08.webp)
€ 133,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 165,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW M850i Cabrio is considerably bigger in every dimension. It's 15.8 inches longer, 2 inches wider and 1.8 inches taller than the Porsche 911 Turbo Convertible.
BMW M850i Cabrio
Porsche 911 Turbo Convertible
53
74.9
84.1
51.2
72.9
80.8
74.9 in
Width
72.9 in
84.1 in
Width Incl. Mirrors
80.8 in
53 in
Height
51.2 in
111.1
191
92.5
175.2
191 in
Length
175.2 in
111.1 in
Wheelbase
92.5 in
Vehicle Weight
BMW M850i Cabrio
Porsche 911 Turbo Convertible
4608 lb
Curb Weight
3847 lb
5545 lb
Gross Vehicle
Weight
Weight
4453 lb
![BMW M850i Convertible xDrive Steptronic Sport (19 - ..)](graphbase/cars/cars_big_png/BMW_8er_G14.png)
Weight Difference:
761 lb
16.52 %
![Porsche 911 Turbo Convertible PDK (09 - 13)](graphbase/cars/cars_big_png/Porsche_911_Cabriolet_Turbo_997-08.png)
General
BMW M850i Cabrio
Porsche 911 Turbo Convertible
G14
Generation
997
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
![](graphbase/drivetrain/AWD.png)
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
![](graphbase/drivetrain/AWD.png)
8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW M850i Cabrio
Porsche 911 Turbo Convertible
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
BMW N63
Engine Series
N63-B44
Engine Code
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3.8 L / 186 cu in
523 hp
at 5500 rpm
Power
493 hp
at 6000 rpm
BMW M850i Cabrio
523 hp
493 hp
Porsche 911 Turbo Convertible
553 lb‑ft
at 1800 rpm
Max. Torque
479 lb‑ft
at 1950 rpm
BMW M850i Cabrio
553 lb‑ft
479 lb‑ft
Porsche 911 Turbo Convertible
Performance
BMW M850i Cabrio
Porsche 911 Turbo Convertible
155 mph
Maximum Speed
194 mph
3.9 sec
Acceleration 0 to 62 mph
3.7 sec
62 mph
62
mph
mph
177 ft
0.000 sec
![](graphbase/cars/cars_small_png/BMW_8er_G14.png)
BMW M850i Cabrio
62 mph
62
mph
mph
167 ft
0.000 sec
![](graphbase/cars/cars_small_png/Porsche_911_Cabriolet_Turbo_997-08.png)
Porsche 911 Turbo Convertible
▶ REPLAY
8.81 lb/hp
Weight-to-Power Ratio
7.8 lb/hp
BMW M850i Cabrio
8.81 lb/hp
7.8 lb/hp
Porsche 911 Turbo Convertible
Fuel Economy / Emissions
BMW M850i Cabrio
Porsche 911 Turbo Convertible
Fuel Economy
23 mpg
combined
20 mpg
BMW M850i Cabrio
23 mpg
20 mpg
Porsche 911 Turbo Convertible
No data
city
14 mpg
No data
highway
29 mpg
18 gal
Fuel Tank Capacity
17.7 gal
414 mi
Range
362 mi
BMW M850i Cabrio
414 mi
362 mi
Porsche 911 Turbo Convertible
Environmental Impact
193.3 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).
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).
217.9 kWh
BMW M850i Cabrio
193.3 kWh
217.9 kWh
Porsche 911 Turbo Convertible
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
420 g/mi (WLTP)
CO2 Emissions
435 g/mi (NEFZ)
Practical Convenience
BMW M850i Cabrio
Porsche 911 Turbo Convertible
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
606 lb
9.9 cu ft
Trunk Volume
3 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
No data
Cargo Volume (Seats Down)
No data