The Comparative Analysis :
BMW 330xi Coupé Automatic (07 - 08) vs. BMW 420i Coupé Steptronic (17 - ..)
€ 47,100
€ 43,400
€ 47,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,400
ⓘ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 330xi Coupé is 2.3 inches shorter, 1.7 inches narrower and 0.7 inches taller than the 420i Coupé.
330xi Coupé
420i Coupé
54.9
70.2
78.1
54.2
71.9
79.4
70.2 in
Width
71.9 in
78.1 in
Width Incl. Mirrors
79.4 in
54.9 in
Height
54.2 in
108.7
180.3
110.6
182.6
180.3 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in
Vehicle Weight
330xi Coupé
420i Coupé
3660 lb
Curb Weight
3461 lb
4553 lb
Gross Vehicle
Weight
Weight
4442 lb
Weight Difference:
198 lb
5.41 %
General
330xi Coupé
420i Coupé
E92
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
330xi Coupé
420i Coupé
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
BMW N53
Engine Series
BMW B48
N53-B30
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
268 hp
at 6700 rpm
Power
181 hp
at 5000 rpm
330xi Coupé
268 hp
181 hp
420i Coupé
236 lb‑ft
at 2750 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
330xi Coupé
236 lb‑ft
199 lb‑ft
420i Coupé
Performance
330xi Coupé
420i Coupé
155 mph
Maximum Speed
147 mph
6.3 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph
62
mph
mph
289 ft
0.000 sec
330xi Coupé
62 mph
62
mph
mph
341 ft
0.000 sec
420i Coupé
▶ REPLAY
13.66 lb/hp
Weight-to-Power Ratio
19.12 lb/hp
330xi Coupé
13.66 lb/hp
19.12 lb/hp
420i Coupé
Fuel Economy / Emissions
330xi Coupé
420i Coupé
Fuel Economy
29 mpg
combined
40 mpg
330xi Coupé
29 mpg
40 mpg
420i Coupé
21 mpg
city
35 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
490 mi
Range
632 mi
330xi Coupé
490 mi
632 mi
420i Coupé
Environmental Impact
151.6 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).
111.8 kWh
330xi Coupé
151.6 kWh
111.8 kWh
420i Coupé
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
311 g/mi (NEFZ)
CO2 Emissions
278 g/mi (WLTP)
Practical Convenience
330xi Coupé
420i Coupé
2
Doors
2
4
No. of Seats
4
893 lb
Maximum Payload
981 lb
12.5 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data
