The Comparative Analysis :
Audi RS4 Convertible (06 - 09) vs. BMW 420i Convertible Steptronic (17 - ..)
€ 85,100

€ 50,800

€ 85,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,800
ⓘ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 RS4 Convertible is 3.3 inches shorter, 0.4 inches narrower and 0.3 inches taller than the BMW 420i Cabrio.
Audi RS4 Convertible
BMW 420i Cabrio
54.8
71.4
76.1
54.5
71.9
79.4
71.4 in
Width
71.9 in
76.1 in
Width Incl. Mirrors
79.4 in
54.8 in
Height
54.5 in
104.3
179.3
110.6
182.6
179.3 in
Length
182.6 in
104.3 in
Wheelbase
110.6 in
Vehicle Weight
Audi RS4 Convertible
BMW 420i Cabrio
4233 lb
Curb Weight
3946 lb
5082 lb
Gross Vehicle
Weight
Weight
4817 lb

Weight Difference:
287 lb
6.78 %

General
Audi RS4 Convertible
BMW 420i Cabrio
B7 (8E)
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

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

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Audi RS4 Convertible
BMW 420i Cabrio
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
Engine Series
BMW B48
BNS
Engine Code
B48-B20

4
Valves
4
8
Cylinders
4
4.2 L / 206 cu in
Displacement
2 L / 98 cu in
414 hp
at 7800 rpm
Power
181 hp
at 5000 rpm
Audi RS4 Convertible
414 hp
181 hp
BMW 420i Cabrio
317 lb‑ft
at 5500 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
Audi RS4 Convertible
317 lb‑ft
199 lb‑ft
BMW 420i Cabrio
Performance
Audi RS4 Convertible
BMW 420i Cabrio
155 mph
Maximum Speed
143 mph
4.9 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph
62
mph
mph
223 ft
0.000 sec

Audi RS4 Convertible
62 mph
62
mph
mph
384 ft
0.000 sec

BMW 420i Cabrio
▶ REPLAY
10.22 lb/hp
Weight-to-Power Ratio
21.8 lb/hp
Audi RS4 Convertible
10.22 lb/hp
21.8 lb/hp
BMW 420i Cabrio
Fuel Economy / Emissions
Audi RS4 Convertible
BMW 420i Cabrio
Fuel Economy
17 mpg
combined
37 mpg
Audi RS4 Convertible
17 mpg
37 mpg
BMW 420i Cabrio
11 mpg
city
32 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
281 mi
Range
592 mi
Audi RS4 Convertible
281 mi
592 mi
BMW 420i Cabrio
Environmental Impact
263.3 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).
119.4 kWh
Audi RS4 Convertible
263.3 kWh
119.4 kWh
BMW 420i Cabrio
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
538 g/mi (NEFZ)
CO2 Emissions
288 g/mi (WLTP)
Practical Convenience
Audi RS4 Convertible
BMW 420i 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