The Comparative Analysis :
BMW 420i Coupé (17 - ..) vs. BMW 420i Coupé Steptronic (17 - ..)
€ 41,300

€ 43,400

€ 41,300
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 420i Coupé and the 420i Coupé Steptronic are absolutely identical. Both are 182.6 inches long, 71.9 inches wide and 54.2 inches tall.
420i Coupé
420i Coupé Steptronic
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
420i Coupé Steptronic
3417 lb
Curb Weight
3461 lb
4398 lb
Gross Vehicle
Weight
Weight
4442 lb

Weight Difference:
44 lb
1.27 %

General
420i Coupé
420i Coupé Steptronic
F32
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
420i Coupé
420i Coupé Steptronic
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
BMW B48
Engine Series
BMW B48
B48-B20
Engine Code
B48-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
181 hp
at 5000 rpm
420i Coupé
181 hp
181 hp
420i Coupé Steptronic
199 lb‑ft
at 1350 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
420i Coupé
199 lb‑ft
199 lb‑ft
420i Coupé Steptronic
Performance
420i Coupé
420i Coupé Steptronic
147 mph
Maximum Speed
147 mph
7.3 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph
62
mph
mph
331 ft
0.000 sec

420i Coupé
62 mph
62
mph
mph
341 ft
0.000 sec

420i Coupé Steptronic
▶ REPLAY
18.88 lb/hp
Weight-to-Power Ratio
19.12 lb/hp
420i Coupé
18.88 lb/hp
19.12 lb/hp
420i Coupé Steptronic
Fuel Economy / Emissions
420i Coupé
420i Coupé Steptronic
Fuel Economy
37 mpg
combined
40 mpg
420i Coupé
37 mpg
40 mpg
420i Coupé Steptronic
29 mpg
city
35 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.9 gal
583 mi
Range
632 mi
420i Coupé
583 mi
632 mi
420i Coupé Steptronic
Environmental Impact
121.2 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
420i Coupé
121.2 kWh
111.8 kWh
420i Coupé Steptronic
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
269 g/mi (WLTP)
CO2 Emissions
278 g/mi (WLTP)
Practical Convenience
420i Coupé
420i Coupé Steptronic
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
981 lb
12.6 cu ft
Trunk Volume
12.6 cu ft








No data
Cargo Volume (Seats Down)
No data