The Comparative Analysis :
Porsche 911 Carrera Convertible 4 (08 - 12) vs. BMW 630i Convertible Sport-Automatic (07 - 10)
€ 103,600

€ 81,200

€ 103,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Carrera Convertible 4 is considerably smaller in every dimension. It's 15.2 inches shorter, 0.1 inches narrower and 2.5 inches lower than the BMW 630i Cabrio.
Porsche 911 Carrera Convertible 4
BMW 630i Cabrio
51.6
72.9
80.8
54.1
73
80.2
72.9 in
Width
73 in
80.8 in
Width Incl. Mirrors
80.2 in
51.6 in
Height
54.1 in
92.5
174.6
109.4
189.8
174.6 in
Length
189.8 in
92.5 in
Wheelbase
109.4 in
Vehicle Weight
Porsche 911 Carrera Convertible 4
BMW 630i Cabrio
3594 lb
Curb Weight
4023 lb
4255 lb
Gross Vehicle
Weight
Weight
4740 lb

Weight Difference:
430 lb
10.69 %

General
Porsche 911 Carrera Convertible 4
BMW 630i Cabrio
997
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

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

6-speed manual transmission
Transmission
6-speed automatic transmission
Engine
Porsche 911 Carrera Convertible 4
BMW 630i Cabrio
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
Engine Series
BMW N53
Engine Code
N53-B30

4
Valves
4
6
Cylinders
6
3.6 L / 176 cu in
Displacement
3 L / 147 cu in
340 hp
at 6500 rpm
Power
268 hp
at 6700 rpm
Porsche 911 Carrera Convertible 4
340 hp
268 hp
BMW 630i Cabrio
288 lb‑ft
at 4400 rpm
Max. Torque
236 lb‑ft
at 2750 rpm
Porsche 911 Carrera Convertible 4
288 lb‑ft
236 lb‑ft
BMW 630i Cabrio
Performance
Porsche 911 Carrera Convertible 4
BMW 630i Cabrio
176 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
7 sec
62 mph
62
mph
mph
236 ft
0.000 sec

Porsche 911 Carrera Convertible 4
62 mph
62
mph
mph
318 ft
0.000 sec

BMW 630i Cabrio
▶ REPLAY
10.57 lb/hp
Weight-to-Power Ratio
15.01 lb/hp
Porsche 911 Carrera Convertible 4
10.57 lb/hp
15.01 lb/hp
BMW 630i Cabrio
Fuel Economy / Emissions
Porsche 911 Carrera Convertible 4
BMW 630i Cabrio
Fuel Economy
22 mpg
combined
29 mpg
Porsche 911 Carrera Convertible 4
22 mpg
29 mpg
BMW 630i Cabrio
15 mpg
city
20 mpg
31 mpg
highway
No data
17.7 gal
Fuel Tank Capacity
18.5 gal
385 mi
Range
537 mi
Porsche 911 Carrera Convertible 4
385 mi
537 mi
BMW 630i Cabrio
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).
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).
153.5 kWh
Porsche 911 Carrera Convertible 4
204.5 kWh
153.5 kWh
BMW 630i Cabrio
Euro 5
Emission Standard
Euro 4
409 g/mi (NEFZ)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
Porsche 911 Carrera Convertible 4
BMW 630i Cabrio
2
Doors
2
4
No. of Seats
4
661 lb
Maximum Payload
717 lb
3 cu ft
Trunk Volume
9.9 cu ft






No data
Cargo Volume (Seats Down)
No data