BMW 4 Series G22/G23/G26 420i Coupe
135 kW184 PS181 hp300 Nm2020
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- Power
- 135 kW 184 PS · 181 hp
- Torque
- 300 Nm 221 lb-ft
- 0–100 km/h
- 7.5 s
- Top speed
- 250 km/h
The BMW 4 Series G22/G23/G26 420i produces 135 kW (184 PS) and 300 Nm of torque from a four-cylinder petrol engine and comes as a coupe. An eight-speed automatic transmission sends the 4 Series G22/G23/G26 420i's drive to the rear wheels.
This is the entry point among the 2 petrol versions of the 4 Series G22/G23/G26; the range-topping M440i xDrive (275 kW) has 104% more power. In figures, it sprints from 0 to 100 km/h in 7.5 s and tops out at 250 km/h.
Dimensions drawing
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grid 500 mm1 ft Side view: dashed lines mark the axles
Engine
| Engine code | B48 |
|---|---|
| Fuel | Petrol |
| Cylinders | 4 |
| Power | 135 kW 184 PS · 181 hp |
| Torque | 300 Nm 221 lb-ft |
Transmission
| Gearbox | Automatic |
|---|---|
| Gears | 8 |
| Drive | Rear-wheel drive |
Performance
| 0–100 km/h | 7.5 s 0–62 mph |
|---|---|
| Top speed | 250 km/h 155 mph |
Dimensions and weight
| Length | 4,768 mm 187.7 in |
|---|---|
| Width | 1,852 mm 72.9 in |
| Height | 1,387 mm 54.6 in |
| Wheelbase | 2,851 mm 112.2 in |
Production
| Body type | Coupe |
|---|---|
| Years | 2020 |
| Generation | 4 Series G22/G23/G26 (2020–present) |
BMW B48 engine Compare size All 4 Series G22/G23/G26 versions All BMW spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 16 of 25 fields · 1 source · data changed 28 Oct 2026