The Comparative Analysis :
Porsche 911 Targa 4 (08 - 12) vs. BMW 635d Convertible Sport-Automatic (07 - 10)
€ 100,800
€ 85,200
€ 100,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Targa 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 635d Cabrio.
Porsche 911 Targa 4
BMW 635d 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 Targa 4
BMW 635d Cabrio
3538 lb
Curb Weight
4266 lb
4211 lb
Gross Vehicle
Weight
Weight
4982 lb
Weight Difference:
728 lb
17.07 %
General
Porsche 911 Targa 4
BMW 635d Cabrio
997
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed automatic transmission
Engine
Porsche 911 Targa 4
BMW 635d Cabrio
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Engine Series
BMW M57
Engine Code
M57-D30
4
Valves
4
6
Cylinders
6
3.6 L / 176 cu in
Displacement
3 L / 147 cu in
340 hp
at 6500 rpm
Power
282 hp
at 4400 rpm
Porsche 911 Targa 4
340 hp
282 hp
BMW 635d Cabrio
288 lb‑ft
at 4400 rpm
Max. Torque
428 lb‑ft
at 1750 rpm
Porsche 911 Targa 4
288 lb‑ft
428 lb‑ft
BMW 635d Cabrio
Performance
Porsche 911 Targa 4
BMW 635d Cabrio
176 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
236 ft
0.000 sec
Porsche 911 Targa 4
62 mph
62
mph
mph
302 ft
0.000 sec
BMW 635d Cabrio
▶ REPLAY
10.41 lb/hp
Weight-to-Power Ratio
15.13 lb/hp
Porsche 911 Targa 4
10.41 lb/hp
15.13 lb/hp
BMW 635d Cabrio
Fuel Economy / Emissions
Porsche 911 Targa 4
BMW 635d Cabrio
Fuel Economy
22 mpg
combined
33 mpg
Porsche 911 Targa 4
22 mpg
33 mpg
BMW 635d Cabrio
15 mpg
city
25 mpg
32 mpg
highway
No data
17.7 gal
Fuel Tank Capacity
18.5 gal
393 mi
Range
604 mi
Porsche 911 Targa 4
393 mi
604 mi
BMW 635d Cabrio
Environmental Impact
200.8 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).
148.1 kWh
Porsche 911 Targa 4
200.8 kWh
148.1 kWh
BMW 635d Cabrio
Euro 5
Emission Standard
Euro 4
401 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
Porsche 911 Targa 4
BMW 635d Cabrio
2
Doors
2
4
No. of Seats
4
672 lb
Maximum Payload
717 lb
3 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
