The Comparative Analysis :
BMW 630i Convertible (07 - 10) vs. Porsche 911 Targa 4 (14 - 15)
€ 78,900
€ 110,300
€ 78,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 110,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 630i Cabrio is considerably bigger in every dimension. It's 13 inches longer, 0.1 inches wider and 3 inches taller than the Porsche 911 Targa 4.
BMW 630i Cabrio
Porsche 911 Targa 4
54.1
73
80.2
51.1
72.9
77.9
73 in
Width
72.9 in
80.2 in
Width Incl. Mirrors
77.9 in
54.1 in
Height
51.1 in
109.4
189.8
96.5
176.8
189.8 in
Length
176.8 in
109.4 in
Wheelbase
96.5 in
Vehicle Weight
BMW 630i Cabrio
Porsche 911 Targa 4
4001 lb
Curb Weight
3560 lb
4718 lb
Gross Vehicle
Weight
Weight
4244 lb
Weight Difference:
441 lb
11.02 %
General
BMW 630i Cabrio
Porsche 911 Targa 4
E64
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
7-speed manual transmission
Engine
BMW 630i Cabrio
Porsche 911 Targa 4
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
BMW N53
Engine Series
N53-B30
Engine Code
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.4 L / 166 cu in
268 hp
at 6700 rpm
Power
345 hp
at 7400 rpm
BMW 630i Cabrio
268 hp
345 hp
Porsche 911 Targa 4
236 lb‑ft
at 2750 rpm
Max. Torque
288 lb‑ft
at 5600 rpm
BMW 630i Cabrio
236 lb‑ft
288 lb‑ft
Porsche 911 Targa 4
Performance
BMW 630i Cabrio
Porsche 911 Targa 4
155 mph
Maximum Speed
175 mph
6.7 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
305 ft
0.000 sec
BMW 630i Cabrio
62 mph
62
mph
mph
236 ft
0.000 sec
Porsche 911 Targa 4
▶ REPLAY
14.93 lb/hp
Weight-to-Power Ratio
10.32 lb/hp
BMW 630i Cabrio
14.93 lb/hp
10.32 lb/hp
Porsche 911 Targa 4
Fuel Economy / Emissions
BMW 630i Cabrio
Porsche 911 Targa 4
Fuel Economy
28 mpg
combined
25 mpg
BMW 630i Cabrio
28 mpg
25 mpg
Porsche 911 Targa 4
20 mpg
city
18 mpg
No data
highway
31 mpg
18.5 gal
Fuel Tank Capacity
18 gal
524 mi
Range
445 mi
BMW 630i Cabrio
524 mi
445 mi
Porsche 911 Targa 4
Environmental Impact
157.2 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).
179.9 kWh
BMW 630i Cabrio
157.2 kWh
179.9 kWh
Porsche 911 Targa 4
Euro 4
Emission Standard
Euro 6b (NEFZ)
319 g/mi (NEFZ)
CO2 Emissions
359 g/mi (NEFZ)
Practical Convenience
BMW 630i Cabrio
Porsche 911 Targa 4
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
683 lb
9.9 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
