The Comparative Analysis :

BMW 420i Coupé Steptronic (16 - 17) vs. Alfa Romeo Brera 2.4 JTDM 20V Q-Tronic (08 - 10)

€ 39,700
BMW 420i Coupé Steptronic (16 - 17) BMW 420i Coupé
€ 38,000
Alfa Romeo Brera 2.4 JTDM 20V Q-Tronic (08 - 10) Alfa Romeo Brera 2.4 JTDM 20V
€ 39,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,000

Base price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ considerably. The BMW 420i Coupé is 9 inches longer, 0.2 inches narrower and 1.4 inches taller than the Alfa Romeo Brera 2.4 JTDM 20V.
BMW 420i Coupé
Alfa Romeo Brera 2.4 JTDM 20V
54.2
Blueprint BMW 420i Coupé Steptronic (16 - 17)
71.9
79.4
52.8
Blueprint Alfa Romeo Brera 2.4 JTDM 20V Q-Tronic (08 - 10)
72
80.1
71.9 in
Width
72 in
79.4 in
Width Incl. Mirrors
80.1 in
54.2 in
Height
52.8 in
Blueprint BMW 420i Coupé Steptronic (16 - 17)
110.6
182.6
Blueprint Alfa Romeo Brera 2.4 JTDM 20V Q-Tronic (08 - 10)
99.5
173.6
182.6 in
Length
173.6 in
110.6 in
Wheelbase
99.5 in

Vehicle Weight

BMW 420i Coupé
Alfa Romeo Brera 2.4 JTDM 20V
3461 lb
Curb Weight
3682 lb
4442 lb
Gross Vehicle
Weight
4530 lb
BMW 420i Coupé Steptronic (16 - 17)
Weight Difference:
220 lb
5.98 %
Alfa Romeo Brera 2.4 JTDM 20V Q-Tronic (08 - 10)

General

BMW 420i Coupé
Alfa Romeo Brera 2.4 JTDM 20V
F32
Generation
Typ 939
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Front-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

BMW 420i Coupé
Alfa Romeo Brera 2.4 JTDM 20V
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-five diesel engine with tur­bo­charger
BMW B48
Engine Series
B48-B20
Engine Code
939 A3.000
4
Valves
4
4
Cylinders
5
2 L / 98 cu in
Displacement
2.4 L / 117 cu in
181 hp
at 5000 rpm
Power
197 hp
at 4000 rpm
BMW 420i Coupé
181 hp
197 hp
Alfa Romeo Brera 2.4 JTDM 20V
199 lb‑ft
at 1350 rpm
Max. Torque
295 lb‑ft
at 2000 rpm
BMW 420i Coupé
199 lb‑ft
295 lb‑ft
Alfa Romeo Brera 2.4 JTDM 20V

Performance

BMW 420i Coupé
Alfa Romeo Brera 2.4 JTDM 20V
147 mph
Maximum Speed
140 mph
7.5 sec
Acceleration 0 to 62 mph
8.3 sec
62 mph 62
mph

341 ft
0.000 sec

BMW 420i Coupé

62 mph 62
mph

377 ft
0.000 sec

Alfa Romeo Brera 2.4 JTDM 20V

 REPLAY
19.12 lb/hp
Weight-to-Power Ratio
18.69 lb/hp
BMW 420i Coupé
19.12 lb/hp
18.69 lb/hp
Alfa Romeo Brera 2.4 JTDM 20V

Fuel Economy / Emissions

BMW 420i Coupé
Alfa Romeo Brera 2.4 JTDM 20V
Fuel Economy
43 mpg
combined
30 mpg
BMW 420i Coupé
43 mpg
30 mpg
Alfa Romeo Brera 2.4 JTDM 20V
33 mpg
city
21 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
678 mi
Range
551 mi
BMW 420i Coupé
678 mi
551 mi
Alfa Romeo Brera 2.4 JTDM 20V
Environmental Impact
104.1 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).
162.5 kWh
BMW 420i Coupé
104.1 kWh
162.5 kWh
Alfa Romeo Brera 2.4 JTDM 20V
Euro 6b (NEFZ)
Emission Standard
Euro 4
204 g/mi (NEFZ)
CO2 Emissions
335 g/mi (NEFZ)

Practical Convenience

BMW 420i Coupé
Alfa Romeo Brera 2.4 JTDM 20V
2
Doors
3
4
No. of Seats
4
981 lb
Maximum Payload
849 lb
12.6 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data