The Comparative Analysis :
Audi S4 Convertible (05 - 09) vs. BMW 420d Convertible (15 - 17)
€ 64,600
€ 47,900
€ 64,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 47,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Audi S4 Convertible is 2.6 inches shorter, 1.9 inches narrower and 0.3 inches taller than the BMW 420d Cabrio.
Audi S4 Convertible
BMW 420d Cabrio
54.8
70
76.1
54.5
71.9
79.4
70 in
Width
71.9 in
76.1 in
Width Incl. Mirrors
79.4 in
54.8 in
Height
54.5 in
104.3
180
110.6
182.6
180 in
Length
182.6 in
104.3 in
Wheelbase
110.6 in
Vehicle Weight
Audi S4 Convertible
BMW 420d Cabrio
4255 lb
Curb Weight
3913 lb
5104 lb
Gross Vehicle
Weight
Weight
4784 lb
Weight Difference:
342 lb
8.04 %
General
Audi S4 Convertible
BMW 420d Cabrio
B7 (8E)
Generation
F33
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 manual transmission
Engine
Audi S4 Convertible
BMW 420d Cabrio
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with turbocharger
Engine Series
BMW B47
BBK
Engine Code
B47-D20

5
Valves
4
8
Cylinders
4
4.2 L / 206 cu in
Displacement
2 L / 98 cu in
339 hp
at 7000 rpm
Power
187 hp
at 4000 rpm
Audi S4 Convertible
339 hp
187 hp
BMW 420d Cabrio
302 lb‑ft
at 3500 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
Audi S4 Convertible
302 lb‑ft
295 lb‑ft
BMW 420d Cabrio
Performance
Audi S4 Convertible
BMW 420d Cabrio
155 mph
Maximum Speed
146 mph
5.9 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
269 ft
0.000 sec
Audi S4 Convertible
62 mph
62
mph
mph
371 ft
0.000 sec
BMW 420d Cabrio
▶ REPLAY
12.55 lb/hp
Weight-to-Power Ratio
20.93 lb/hp
Audi S4 Convertible
12.55 lb/hp
20.93 lb/hp
BMW 420d Cabrio
Fuel Economy / Emissions
Audi S4 Convertible
BMW 420d Cabrio
Fuel Economy
17 mpg
combined
49 mpg
Audi S4 Convertible
17 mpg
49 mpg
BMW 420d Cabrio
12 mpg
city
41 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.1 gal
284 mi
Range
738 mi
Audi S4 Convertible
284 mi
738 mi
BMW 420d Cabrio
Environmental Impact
261.5 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).
98.8 kWh
Audi S4 Convertible
261.5 kWh
98.8 kWh
BMW 420d Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
533 g/mi (NEFZ)
CO2 Emissions
204 g/mi (NEFZ)
Practical Convenience
Audi S4 Convertible
BMW 420d Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
871 lb
8.9 cu ft
Trunk Volume
10.5 cu ft








No data
Cargo Volume (Seats Down)
No data














