The Comparative Analysis :
BMW 420i Coupé Steptronic (17 - ..) vs. BMW 420d Coupé xDrive Steptronic (17 - ..)
€ 43,400
€ 49,200
€ 43,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 49,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same length and width, but the 420i Coupé is 0.6 inches lower.
420i Coupé
420d Coupé
54.2
71.9
79.4
54.8
71.9
79.4
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
54.2 in
Height
54.8 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
420d Coupé
3461 lb
Curb Weight
3715 lb
4442 lb
Gross Vehicle
Weight
Weight
4685 lb
Weight Difference:
254 lb
6.84 %
General
420i Coupé
420d Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
420i Coupé
420d Coupé
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
BMW B48
Engine Series
BMW B47
B48-B20
Engine Code
B47-D20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
187 hp
at 4000 rpm
420i Coupé
181 hp
187 hp
420d Coupé
199 lb‑ft
at 1350 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
420i Coupé
199 lb‑ft
295 lb‑ft
420d Coupé
Performance
420i Coupé
420d Coupé
147 mph
Maximum Speed
143 mph
7.5 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
341 ft
0.000 sec
420i Coupé
62 mph
62
mph
mph
331 ft
0.000 sec
420d Coupé
▶ REPLAY
19.12 lb/hp
Weight-to-Power Ratio
19.87 lb/hp
420i Coupé
19.12 lb/hp
19.87 lb/hp
420d Coupé
Fuel Economy / Emissions
420i Coupé
420d Coupé
Fuel Economy
40 mpg
combined
47 mpg
420i Coupé
40 mpg
47 mpg
420d Coupé
35 mpg
city
41 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.1 gal
632 mi
Range
708 mi
420i Coupé
632 mi
708 mi
420d Coupé
Environmental Impact
111.8 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).
102.8 kWh
420i Coupé
111.8 kWh
102.8 kWh
420d Coupé
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
278 g/mi (WLTP)
CO2 Emissions
254 g/mi (WLTP)
Practical Convenience
420i Coupé
420d Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
970 lb
12.6 cu ft
Trunk Volume
12.6 cu ft








No data
Cargo Volume (Seats Down)
No data





















