The Comparative Analysis :
BMW 430i Coupé Steptronic (17 - ..) vs. BMW 420i Coupé Steptronic (16 - 17)
€ 48,600

€ 39,700

€ 48,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the 430i Coupé and the 420i Coupé are absolutely identical. Both are 182.6 inches long, 71.9 inches wide and 54.2 inches tall.
430i Coupé
420i Coupé
54.2
71.9
79.4
54.2
71.9
79.4
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
54.2 in
Height
54.2 in
110.6
182.6
110.6
182.6
182.6 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in
Vehicle Weight
430i Coupé
420i Coupé
3494 lb
Curb Weight
3461 lb
4475 lb
Gross Vehicle
Weight
Weight
4442 lb

Weight Difference:
33 lb
0.94 %

General
430i Coupé
420i Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
430i Coupé
420i Coupé
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
BMW B48
Engine Series
BMW B48
B48-B20
Engine Code
B48-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
249 hp
at 5200 rpm
Power
181 hp
at 5000 rpm
430i Coupé
249 hp
181 hp
420i Coupé
258 lb‑ft
at 1450 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
430i Coupé
258 lb‑ft
199 lb‑ft
420i Coupé
Performance
430i Coupé
420i Coupé
155 mph
Maximum Speed
147 mph
5.8 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph
62
mph
mph
266 ft
0.000 sec

430i Coupé
62 mph
62
mph
mph
341 ft
0.000 sec

420i Coupé
▶ REPLAY
14.03 lb/hp
Weight-to-Power Ratio
19.12 lb/hp
430i Coupé
14.03 lb/hp
19.12 lb/hp
420i Coupé
Fuel Economy / Emissions
430i Coupé
420i Coupé
Fuel Economy
39 mpg
combined
43 mpg
430i Coupé
39 mpg
43 mpg
420i Coupé
34 mpg
city
33 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.9 gal
621 mi
Range
678 mi
430i Coupé
621 mi
678 mi
420i Coupé
Environmental Impact
113.6 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).
104.1 kWh
430i Coupé
113.6 kWh
104.1 kWh
420i Coupé
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
277 g/mi (WLTP)
CO2 Emissions
204 g/mi (NEFZ)
Practical Convenience
430i Coupé
420i Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
981 lb
12.6 cu ft
Trunk Volume
12.6 cu ft








No data
Cargo Volume (Seats Down)
No data