The Comparative Analysis :

BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..) vs. Porsche 911 Carrera Convertible S PDK (12 - 15)

€ 176,000
BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..) BMW M8 Competition Cabrio
€ 121,400
 Porsche 911 Carrera Convertible S PDK (12 - 15) Porsche 911 Carrera Convertible S
€ 176,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 121,400

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW M8 Competition Cabrio is significantly bigger in every dimension. It's 14.8 inches longer, 3.9 inches wider and 2.4 inches taller than the Porsche 911 Carrera Convertible S.
BMW M8 Competition Cabrio
Porsche 911 Carrera Convertible S
53.3
Blueprint BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
75.1
84.1
50.9
Blueprint Porsche 911 Carrera Convertible S PDK (12 - 15)
71.2
77.9
75.1 in
Width
71.2 in
84.1 in
Width Incl. Mirrors
77.9 in
53.3 in
Height
50.9 in
Blueprint BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
111.3
191.6
Blueprint Porsche 911 Carrera Convertible S PDK (12 - 15)
96.5
176.8
191.6 in
Length
176.8 in
111.3 in
Wheelbase
96.5 in

Vehicle Weight

BMW M8 Competition Cabrio
Porsche 911 Carrera Convertible S
4597 lb
Curb Weight
3439 lb
5379 lb
Gross Vehicle
Weight
4200 lb
BMW M8 Competition Convertible xDrive Steptronic Sport (19 - ..)
Weight Difference:
1157 lb
25.17 %
Porsche 911 Carrera Convertible S PDK (12 - 15)

General

BMW M8 Competition Cabrio
Porsche 911 Carrera Convertible S
G14
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW M8 Competition Cabrio
Porsche 911 Carrera Convertible S
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW S63
Engine Series
S63-B44
Engine Code
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3.8 L / 186 cu in
616 hp
at 6000 rpm
Power
395 hp
at 7400 rpm
BMW M8 Competition Cabrio
616 hp
395 hp
Porsche 911 Carrera Convertible S
553 lb‑ft
at 1800 rpm
Max. Torque
325 lb‑ft
at 5600 rpm
BMW M8 Competition Cabrio
553 lb‑ft
325 lb‑ft
Porsche 911 Carrera Convertible S

Performance

BMW M8 Competition Cabrio
Porsche 911 Carrera Convertible S
155 mph
Maximum Speed
186 mph
3.3 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

151 ft
0.000 sec

BMW M8 Competition Cabrio

62 mph 62
mph

207 ft
0.000 sec

Porsche 911 Carrera Convertible S

▶ REPLAY
7.46 lb/hp
Weight-to-Power Ratio
8.71 lb/hp
BMW M8 Competition Cabrio
7.46 lb/hp
8.71 lb/hp
Porsche 911 Carrera Convertible S

Fuel Economy / Emissions

BMW M8 Competition Cabrio
Porsche 911 Carrera Convertible S
Fuel Economy
22 mpg
combined
26 mpg
BMW M8 Competition Cabrio
22 mpg
26 mpg
Porsche 911 Carrera Convertible S
No data
city
19 mpg
No data
highway
34 mpg
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
391 mi
Range
447 mi
BMW M8 Competition Cabrio
391 mi
447 mi
Porsche 911 Carrera Convertible S
Environmental Impact
204.5 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).
168.7 kWh
BMW M8 Competition Cabrio
204.5 kWh
168.7 kWh
Porsche 911 Carrera Convertible S
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5 / Euro 6
410 g/mi (WLTP)
CO2 Emissions
338 g/mi (NEFZ)

Practical Convenience

BMW M8 Competition Cabrio
Porsche 911 Carrera Convertible S
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
761 lb
9.9 cu ft
Trunk Volume
4.1 cu ft
No data
Cargo Volume (Seats Down)
No data