The Comparative Analysis :
BMW M850i Convertible xDrive Steptronic Sport (19 - ..) vs. Porsche 911 Turbo Convertible S PDK (13 - 15)
€ 133,700

€ 209,800

€ 133,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 209,800
ⓘ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 13.6 inches longer, 0.9 inches wider and 2.1 inches taller than the Porsche 911 Turbo Convertible S.
BMW M850i Cabrio
Porsche 911 Turbo Convertible S
53
74.9
84.1
50.9
74
77.9
74.9 in
Width
74 in
84.1 in
Width Incl. Mirrors
77.9 in
53 in
Height
50.9 in
111.1
191
96.5
177.4
191 in
Length
177.4 in
111.1 in
Wheelbase
96.5 in
Vehicle Weight
BMW M850i Cabrio
Porsche 911 Turbo Convertible S
4608 lb
Curb Weight
3858 lb
5545 lb
Gross Vehicle
Weight
Weight
4508 lb

Weight Difference:
750 lb
16.28 %

General
BMW M850i Cabrio
Porsche 911 Turbo Convertible S
G14
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW M850i Cabrio
Porsche 911 Turbo Convertible S
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
552 hp
at 6500 rpm
BMW M850i Cabrio
523 hp
552 hp
Porsche 911 Turbo Convertible S
553 lb‑ft
at 1800 rpm
Max. Torque
516 lb‑ft
at 5600 rpm
BMW M850i Cabrio
553 lb‑ft
516 lb‑ft
Porsche 911 Turbo Convertible S
Performance
BMW M850i Cabrio
Porsche 911 Turbo Convertible S
155 mph
Maximum Speed
198 mph
3.9 sec
Acceleration 0 to 62 mph
3.2 sec
62 mph
62
mph
mph
177 ft
0.000 sec

BMW M850i Cabrio
62 mph
62
mph
mph
144 ft
0.000 sec

Porsche 911 Turbo Convertible S
▶ REPLAY
8.81 lb/hp
Weight-to-Power Ratio
6.99 lb/hp
BMW M850i Cabrio
8.81 lb/hp
6.99 lb/hp
Porsche 911 Turbo Convertible S
Fuel Economy / Emissions
BMW M850i Cabrio
Porsche 911 Turbo Convertible S
Fuel Economy
23 mpg
combined
24 mpg
BMW M850i Cabrio
23 mpg
24 mpg
Porsche 911 Turbo Convertible S
No data
city
18 mpg
No data
highway
30 mpg
18 gal
Fuel Tank Capacity
18 gal
414 mi
Range
427 mi
BMW M850i Cabrio
414 mi
427 mi
Porsche 911 Turbo Convertible S
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).
187.5 kWh
BMW M850i Cabrio
193.3 kWh
187.5 kWh
Porsche 911 Turbo Convertible S
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
420 g/mi (WLTP)
CO2 Emissions
372 g/mi (NEFZ)
Practical Convenience
BMW M850i Cabrio
Porsche 911 Turbo Convertible S
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
650 lb
9.9 cu ft
Trunk Volume
3.3 cu ft







No data
Cargo Volume (Seats Down)
No data