The Comparative Analysis :
BMW 428i Gran Coupé (14 - 15) vs. BMW 420i Gran Coupé xDrive Steptronic (16 - 17)
€ 41,400

€ 42,200

€ 41,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,200
ⓘ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 428i Gran Coupé is 0.6 inches lower.
428i Gran Coupé
420i Gran Coupé
54.7
71.9
79.4
55.3
71.9
79.4
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
54.7 in
Height
55.3 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
428i Gran Coupé
420i Gran Coupé
3494 lb
Curb Weight
3726 lb
4564 lb
Gross Vehicle
Weight
Weight
4795 lb

Weight Difference:
231 lb
6.2 %

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
Permanent all-wheel drive (AWD)

6-speed manual 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
144 mph
6.1 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
279 ft
0.000 sec

428i Gran Coupé
62 mph
62
mph
mph
371 ft
0.000 sec

420i Gran Coupé
▶ REPLAY
14.44 lb/hp
Weight-to-Power Ratio
20.59 lb/hp
428i Gran Coupé
14.44 lb/hp
20.59 lb/hp
420i Gran Coupé
Fuel Economy / Emissions
428i Gran Coupé
420i Gran Coupé
Fuel Economy
36 mpg
combined
40 mpg
428i Gran Coupé
36 mpg
40 mpg
420i Gran Coupé
26 mpg
city
31 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.9 gal
565 mi
Range
632 mi
428i Gran Coupé
565 mi
632 mi
420i Gran Coupé
Environmental Impact
125 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).
111.8 kWh
428i Gran Coupé
125 kWh
111.8 kWh
420i Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
248 g/mi (NEFZ)
CO2 Emissions
220 g/mi (NEFZ)
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