The Comparative Analysis :

BMW 630i Convertible Sport-Automatic (07 - 10) vs. Porsche 911 Targa 4S (15 - 15)

€ 81,200
BMW 630i Convertible Sport-Automatic (07 - 10) BMW 630i Cabrio
€ 138,900
 Porsche 911 Targa 4S (15 - 15) Porsche 911 Targa 4S
€ 81,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 138,900

ⓘ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 3.3 inches taller than the Porsche 911 Targa 4S.
BMW 630i Cabrio
Porsche 911 Targa 4S
54.1
Blueprint BMW 630i Convertible Sport-Automatic (07 - 10)
73
80.2
50.8
Blueprint Porsche 911 Targa 4S (15 - 15)
72.9
77.9
73 in
Width
72.9 in
80.2 in
Width Incl. Mirrors
77.9 in
54.1 in
Height
50.8 in
Blueprint BMW 630i Convertible Sport-Automatic (07 - 10)
109.4
189.8
Blueprint Porsche 911 Targa 4S (15 - 15)
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 4S
4023 lb
Curb Weight
3594 lb
4740 lb
Gross Vehicle
Weight
4321 lb
BMW 630i Convertible Sport-Automatic (07 - 10)
Weight Difference:
430 lb
10.69 %
Porsche 911 Targa 4S (15 - 15)

General

BMW 630i Cabrio
Porsche 911 Targa 4S
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 automatic transmission
Transmission
7-speed manual transmission

Engine

BMW 630i Cabrio
Porsche 911 Targa 4S
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
3.8 L / 186 cu in
268 hp
at 6700 rpm
Power
424 hp
at 7500 rpm
BMW 630i Cabrio
268 hp
424 hp
Porsche 911 Targa 4S
236 lb‑ft
at 2750 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
BMW 630i Cabrio
236 lb‑ft
325 lb‑ft
Porsche 911 Targa 4S

Performance

BMW 630i Cabrio
Porsche 911 Targa 4S
155 mph
Maximum Speed
188 mph
7 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph 62
mph

318 ft
0.000 sec

BMW 630i Cabrio

62 mph 62
mph

213 ft
0.000 sec

Porsche 911 Targa 4S

▶ REPLAY
15.01 lb/hp
Weight-to-Power Ratio
8.48 lb/hp
BMW 630i Cabrio
15.01 lb/hp
8.48 lb/hp
Porsche 911 Targa 4S

Fuel Economy / Emissions

BMW 630i Cabrio
Porsche 911 Targa 4S
Fuel Economy
29 mpg
combined
24 mpg
BMW 630i Cabrio
29 mpg
24 mpg
Porsche 911 Targa 4S
20 mpg
city
17 mpg
No data
highway
31 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
537 mi
Range
423 mi
BMW 630i Cabrio
537 mi
423 mi
Porsche 911 Targa 4S
Environmental Impact
153.5 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).
189.4 kWh
BMW 630i Cabrio
153.5 kWh
189.4 kWh
Porsche 911 Targa 4S
Euro 4
Emission Standard
Euro 6b (NEFZ)
309 g/mi (NEFZ)
CO2 Emissions
381 g/mi (NEFZ)

Practical Convenience

BMW 630i Cabrio
Porsche 911 Targa 4S
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
728 lb
9.9 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data