The Comparative Analysis :

BMW 428i Gran Coupé Steptronic (14 - 15) vs. BMW 420i Gran Coupé Steptronic (17 - ..)

€ 43,600
BMW 428i Gran Coupé Steptronic (14 - 15) 428i Gran Coupé
€ 43,400
 BMW 420i Gran Coupé Steptronic (17 - ..) 420i Gran Coupé
€ 43,600
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 the 428i Gran Coupé and the 420i Gran Coupé are absolutely identical. Both are 182.6 inches long, 71.9 inches wide and 54.7 inches tall.
428i Gran Coupé
420i Gran Coupé
54.7
Blueprint BMW 428i Gran Coupé Steptronic (14 - 15)
71.9
79.4
54.7
Blueprint BMW 420i Gran Coupé Steptronic (17 - ..)
71.9
79.4
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
54.7 in
Height
54.7 in
Blueprint BMW 428i Gran Coupé Steptronic (14 - 15)
110.6
182.6
Blueprint BMW 420i Gran Coupé Steptronic (17 - ..)
110.6
182.6
182.6 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in

Vehicle Weight

428i Gran Coupé
420i Gran Coupé
3538 lb
Curb Weight
3560 lb
4608 lb
Gross Vehicle
Weight
4630 lb
BMW 428i Gran Coupé Steptronic (14 - 15)
Weight Difference:
22 lb
0.62 %
BMW 420i Gran Coupé Steptronic (17 - ..)

General

428i Gran Coupé
420i Gran Coupé
F36
Generation
F36
Hatchback
Car Body Style
Hatchback
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

428i Gran Coupé
420i Gran Coupé
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW N20
Engine Series
BMW B48
N20-B20
Engine Code
B48-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5000 rpm
Power
181 hp
at 5000 rpm
428i Gran Coupé
242 hp
181 hp
420i Gran Coupé
258 lb‑ft
at 1250 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
428i Gran Coupé
258 lb‑ft
199 lb‑ft
420i Gran Coupé

Performance

428i Gran Coupé
420i Gran Coupé
155 mph
Maximum Speed
147 mph
6 sec
Acceleration 0 to 62 mph
7.7 sec
62 mph 62
mph

272 ft
0.000 sec

428i Gran Coupé

62 mph 62
mph

351 ft
0.000 sec

420i Gran Coupé

▶ REPLAY
14.62 lb/hp
Weight-to-Power Ratio
19.67 lb/hp
428i Gran Coupé
14.62 lb/hp
19.67 lb/hp
420i Gran Coupé

Fuel Economy / Emissions

428i Gran Coupé
420i Gran Coupé
Fuel Economy
37 mpg
combined
40 mpg
428i Gran Coupé
37 mpg
40 mpg
420i Gran Coupé
29 mpg
city
34 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
592 mi
Range
632 mi
428i Gran Coupé
592 mi
632 mi
420i Gran Coupé
Environmental Impact
119.4 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).
111.8 kWh
428i Gran Coupé
119.4 kWh
111.8 kWh
420i Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
237 g/mi (NEFZ)
CO2 Emissions
282 g/mi (WLTP)

Practical Convenience

428i Gran Coupé
420i Gran Coupé
5
Doors
5
5
No. of Seats
5
1069 lb
Maximum Payload
1069 lb
13.6 cu ft
Trunk Volume
13.6 cu ft
36.8 cu ft
Cargo Volume (Seats Down)
36.8 cu ft