The Comparative Analysis :
BMW 635d Convertible Sport-Automatic (07 - 10) vs. Porsche 911 Targa 4S (14 - 15)
€ 85,200

€ 125,000

€ 85,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 125,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 635d 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 635d Cabrio
Porsche 911 Targa 4S
54.1
73
80.2
50.8
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
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 635d Cabrio
Porsche 911 Targa 4S
4266 lb
Curb Weight
3594 lb
4982 lb
Gross Vehicle
Weight
Weight
4321 lb

Weight Difference:
672 lb
15.75 %

General
BMW 635d Cabrio
Porsche 911 Targa 4S
E64
Generation
991
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded

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

6-speed automatic transmission
Transmission
7-speed manual transmission
Engine
BMW 635d Cabrio
Porsche 911 Targa 4S
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
BMW M57
Engine Series
M57-D30
Engine Code

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.8 L / 186 cu in
282 hp
at 4400 rpm
Power
395 hp
at 7400 rpm
BMW 635d Cabrio
282 hp
395 hp
Porsche 911 Targa 4S
428 lb‑ft
at 1750 rpm
Max. Torque
325 lb‑ft
at 5600 rpm
BMW 635d Cabrio
428 lb‑ft
325 lb‑ft
Porsche 911 Targa 4S
Performance
BMW 635d Cabrio
Porsche 911 Targa 4S
155 mph
Maximum Speed
184 mph
6.6 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
302 ft
0.000 sec

BMW 635d Cabrio
62 mph
62
mph
mph
220 ft
0.000 sec

Porsche 911 Targa 4S
▶ REPLAY
15.13 lb/hp
Weight-to-Power Ratio
9.1 lb/hp
BMW 635d Cabrio
15.13 lb/hp
9.1 lb/hp
Porsche 911 Targa 4S
Fuel Economy / Emissions
BMW 635d Cabrio
Porsche 911 Targa 4S
Fuel Economy
33 mpg
combined
24 mpg
BMW 635d Cabrio
33 mpg
24 mpg
Porsche 911 Targa 4S
25 mpg
city
17 mpg
No data
highway
31 mpg
18.5 gal
Fuel Tank Capacity
18 gal
604 mi
Range
423 mi
BMW 635d Cabrio
604 mi
423 mi
Porsche 911 Targa 4S
Environmental Impact
148.1 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).
189.4 kWh
BMW 635d Cabrio
148.1 kWh
189.4 kWh
Porsche 911 Targa 4S
Euro 4
Emission Standard
Euro 6b (NEFZ)
306 g/mi (NEFZ)
CO2 Emissions
381 g/mi (NEFZ)
Practical Convenience
BMW 635d 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