The Comparative Analysis :
BMW M6 Convertible SMG (06 - 10) vs. Porsche 911 Carrera Convertible 4 GTS (11 - 12)
€ 123,200

€ 122,100

€ 123,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 122,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW M6 Cabrio is significantly bigger in every dimension. It's 17.2 inches longer, 0.1 inches wider and 3 inches taller than the Porsche 911 Carrera Convertible 4 GTS.
BMW M6 Cabrio
Porsche 911 Carrera Convertible 4 GTS
54.2
73
80.2
51.2
72.9
80.8
73 in
Width
72.9 in
80.2 in
Width Incl. Mirrors
80.8 in
54.2 in
Height
51.2 in
109.5
191.8
92.5
174.6
191.8 in
Length
174.6 in
109.5 in
Wheelbase
92.5 in
Vehicle Weight
BMW M6 Cabrio
Porsche 911 Carrera Convertible 4 GTS
4420 lb
Curb Weight
3616 lb
5247 lb
Gross Vehicle
Weight
Weight
4277 lb

Weight Difference:
805 lb
18.21 %

General
BMW M6 Cabrio
Porsche 911 Carrera Convertible 4 GTS
E64
Generation
997
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

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

7-speed automated manual transmission (AMT)
Transmission
6-speed manual transmission
Engine
BMW M6 Cabrio
Porsche 911 Carrera Convertible 4 GTS
V10 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
BMW S85
Engine Series
S85-B50
Engine Code
4
Valves
4
10
Cylinders
6
5 L / 245 cu in
Displacement
3.8 L / 186 cu in
500 hp
at 7750 rpm
Power
402 hp
at 7300 rpm
BMW M6 Cabrio
500 hp
402 hp
Porsche 911 Carrera Convertible 4 GTS
384 lb‑ft
at 6100 rpm
Max. Torque
310 lb‑ft
at 4400 rpm
BMW M6 Cabrio
384 lb‑ft
310 lb‑ft
Porsche 911 Carrera Convertible 4 GTS
Performance
BMW M6 Cabrio
Porsche 911 Carrera Convertible 4 GTS
155 mph
Maximum Speed
188 mph
4.8 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
220 ft
0.000 sec

BMW M6 Cabrio
62 mph
62
mph
mph
220 ft
0.000 sec

Porsche 911 Carrera Convertible 4 GTS
▶ REPLAY
8.84 lb/hp
Weight-to-Power Ratio
9 lb/hp
BMW M6 Cabrio
8.84 lb/hp
9 lb/hp
Porsche 911 Carrera Convertible 4 GTS
Fuel Economy / Emissions
BMW M6 Cabrio
Porsche 911 Carrera Convertible 4 GTS
Fuel Economy
16 mpg
combined
21 mpg
BMW M6 Cabrio
16 mpg
21 mpg
Porsche 911 Carrera Convertible 4 GTS
11 mpg
city
14 mpg
No data
highway
29 mpg
18.5 gal
Fuel Tank Capacity
17.7 gal
296 mi
Range
372 mi
BMW M6 Cabrio
296 mi
372 mi
Porsche 911 Carrera Convertible 4 GTS
Environmental Impact
278.4 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).
212.1 kWh
BMW M6 Cabrio
278.4 kWh
212.1 kWh
Porsche 911 Carrera Convertible 4 GTS
Euro 4
Emission Standard
Euro 5
566 g/mi (NEFZ)
CO2 Emissions
423 g/mi (NEFZ)
Practical Convenience
BMW M6 Cabrio
Porsche 911 Carrera Convertible 4 GTS
2
Doors
2
4
No. of Seats
2
827 lb
Maximum Payload
661 lb
9.9 cu ft
Trunk Volume
3 cu ft






No data
Cargo Volume (Seats Down)
No data