The Comparative Analysis :
BMW 420i Coupé Steptronic (16 - 17) vs. BMW 420d Coupé Steptronic (17 - ..)
€ 39,700

€ 46,700

€ 39,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,700
ⓘ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 420d Coupé are absolutely identical. Both are 4638 mm long, 1825 mm wide and 1377 mm tall.
420i Coupé
420d Coupé
1377
1825
2017
1377
1825
2017
1825 mm
Width
1825 mm
2017 mm
Width Incl. Mirrors
2017 mm
1377 mm
Height
1377 mm
2810
4638
2810
4638
4638 mm
Length
4638 mm
2810 mm
Wheelbase
2810 mm
Vehicle Weight
420i Coupé
420d Coupé
1570 kg
Kerb Weight
1615 kg
2015 kg
Gross Vehicle
Weight
Weight
2065 kg

Weight Difference:
45 kg
2.79 %

General
420i Coupé
420d Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Diesel

Rear-wheel drive
Drive
Rear-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
420i Coupé
420d Coupé
Straight-four petrol 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
1997 CC
Engine Capacity
1995 CC
181 bhp
at 5000 rpm
Power
187 bhp
at 4000 rpm
420i Coupé
181 bhp
187 bhp
420d Coupé
270 NM
at 1350 rpm
Max. Torque
400 NM
at 1750 rpm
420i Coupé
270 NM
400 NM
420d Coupé
Performance
420i Coupé
420d Coupé
147 mph
Maximum Speed
144 mph
7.5 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph
62
mph
mph
104 m
0.000 sec

420i Coupé
62 mph
62
mph
mph
100 m
0.000 sec

420d Coupé
▶ REPLAY
8.67 kg/bhp
Weight-to-Power Ratio
8.64 kg/bhp
420i Coupé
8.67 kg/bhp
8.64 kg/bhp
420d Coupé
Fuel Economy / Emissions
420i Coupé
420d Coupé
Fuel Economy
51 mpg
combined
63 mpg
420i Coupé
51 mpg
63 mpg
420d Coupé
40 mpg
city
54 mpg
No data
motorway
No data
60 L
Fuel Tank Capacity
57 L
678 mi
Range
787 mi
420i Coupé
678 mi
787 mi
420d 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).
92.5 kWh
420i Coupé
104.1 kWh
92.5 kWh
420d Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
127 g/km (NEFZ)
CO2 Emissions
148 g/km (WLTP)
Practical Convenience
420i Coupé
420d Coupé
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
450 kg
445 L
Boot Capacity
445 L








No data
Boot Capacity (Seats Down)
No data