The Comparative Analysis :
BMW 420i Coupé Steptronic (16 - 17) vs. BMW 430d Coupé Steptronic (17 - ..)
€ 39,700
€ 54,300
€ 39,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 54,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the 420i Coupé and the 430d Coupé are absolutely identical. Both are 182.6 inches long, 71.9 inches wide and 54.2 inches tall.
420i Coupé
430d 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
420i Coupé
430d Coupé
3461 lb
Curb Weight
3737 lb
4442 lb
Gross Vehicle
Weight
Weight
4641 lb
Weight Difference:
276 lb
7.39 %
General
420i Coupé
430d Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
420i Coupé
430d Coupé
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six diesel engine with turbocharger
BMW B48
Engine Series
BMW N57
B48-B20
Engine Code
N57-D30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
181 hp
at 5000 rpm
Power
254 hp
at 4000 rpm
420i Coupé
181 hp
254 hp
430d Coupé
199 lb‑ft
at 1350 rpm
Max. Torque
413 lb‑ft
at 1500 rpm
420i Coupé
199 lb‑ft
413 lb‑ft
430d Coupé
Performance
420i Coupé
430d Coupé
147 mph
Maximum Speed
155 mph
7.5 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
341 ft
0.000 sec
420i Coupé
62 mph
62
mph
mph
249 ft
0.000 sec
430d Coupé
▶ REPLAY
19.12 lb/hp
Weight-to-Power Ratio
14.71 lb/hp
420i Coupé
19.12 lb/hp
14.71 lb/hp
430d Coupé
Fuel Economy / Emissions
420i Coupé
430d Coupé
Fuel Economy
43 mpg
combined
43 mpg
420i Coupé
43 mpg
43 mpg
430d Coupé
33 mpg
city
37 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.1 gal
678 mi
Range
644 mi
420i Coupé
678 mi
644 mi
430d Coupé
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).
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).
113.1 kWh
420i Coupé
104.1 kWh
113.1 kWh
430d Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
204 g/mi (NEFZ)
CO2 Emissions
280 g/mi (WLTP)
Practical Convenience
420i Coupé
430d Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
904 lb
12.6 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data
