The Comparative Analysis :

BMW 428i Convertible Steptronic (14 - 15) vs. Audi RS4 Convertible (06 - 09)

€ 50,400
BMW 428i Convertible Steptronic (14 - 15) BMW 428i Cabrio
€ 85,100
 Audi RS4 Convertible (06 - 09) Audi RS4 Convertible
€ 50,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,100

ⓘ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 BMW 428i Cabrio is 3.3 inches longer, 0.4 inches wider and 0.3 inches lower than the Audi RS4 Convertible.
BMW 428i Cabrio
Audi RS4 Convertible
54.5
Blueprint BMW 428i Convertible Steptronic (14 - 15)
71.9
79.4
54.8
Blueprint Audi RS4 Convertible (06 - 09)
71.4
76.1
71.9 in
Width
71.4 in
79.4 in
Width Incl. Mirrors
76.1 in
54.5 in
Height
54.8 in
Blueprint BMW 428i Convertible Steptronic (14 - 15)
110.6
182.6
Blueprint Audi RS4 Convertible (06 - 09)
104.3
179.3
182.6 in
Length
179.3 in
110.6 in
Wheelbase
104.3 in

Vehicle Weight

BMW 428i Cabrio
Audi RS4 Convertible
3913 lb
Curb Weight
4233 lb
4762 lb
Gross Vehicle
Weight
5082 lb
BMW 428i Convertible Steptronic (14 - 15)
Weight Difference:
320 lb
7.56 %
Audi RS4 Convertible (06 - 09)

General

BMW 428i Cabrio
Audi RS4 Convertible
F33
Generation
B7 (8E)
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW 428i Cabrio
Audi RS4 Convertible
Straight-four gasoline engine with tur­bo­charger
Engine Type
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N20
Engine Series
N20-B20
Engine Code
BNS
4
Valves
4
4
Cylinders
8
2 L / 98 cu in
Displacement
4.2 L / 206 cu in
242 hp
at 5000 rpm
Power
414 hp
at 7800 rpm
BMW 428i Cabrio
242 hp
414 hp
Audi RS4 Convertible
258 lb‑ft
at 1250 rpm
Max. Torque
317 lb‑ft
at 5500 rpm
BMW 428i Cabrio
258 lb‑ft
317 lb‑ft
Audi RS4 Convertible

Performance

BMW 428i Cabrio
Audi RS4 Convertible
155 mph
Maximum Speed
155 mph
6.4 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

292 ft
0.000 sec

BMW 428i Cabrio

62 mph 62
mph

223 ft
0.000 sec

Audi RS4 Convertible

▶ REPLAY
16.17 lb/hp
Weight-to-Power Ratio
10.22 lb/hp
BMW 428i Cabrio
16.17 lb/hp
10.22 lb/hp
Audi RS4 Convertible

Fuel Economy / Emissions

BMW 428i Cabrio
Audi RS4 Convertible
Fuel Economy
36 mpg
combined
17 mpg
BMW 428i Cabrio
36 mpg
17 mpg
Audi RS4 Convertible
27 mpg
city
11 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
565 mi
Range
281 mi
BMW 428i Cabrio
565 mi
281 mi
Audi RS4 Convertible
Environmental Impact
125 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).
263.3 kWh
BMW 428i Cabrio
125 kWh
263.3 kWh
Audi RS4 Convertible
Euro 6b (NEFZ)
Emission Standard
Euro 4
248 g/mi (NEFZ)
CO2 Emissions
538 g/mi (NEFZ)

Practical Convenience

BMW 428i Cabrio
Audi RS4 Convertible
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
849 lb
10.5 cu ft
Trunk Volume
8.9 cu ft
No data
Cargo Volume (Seats Down)
No data