BMW
BMW 4 Series G23 (2020–2024) Specs
Specifications, engines, dimensions and technical data.
Gen 2
2020 - 2025
G23
Coupe
W
L
H
WB
GC
Boot
Engine
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Power
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Fuel
—
Gears
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Platform
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Body Style
Chassis
Engines
Quick Specs
Fuel
Fuel
Combined
Combined
Chassis & Body
Engine Lineup
| Trans | Engine | Gears | HP | Fuel | CO₂ |
|---|---|---|---|---|---|
| AT | 420d Mild Hybrid Steptronic | 8 | 190 HP | Diesel | — |
| AT | 420i Steptronic | 8 | 170 HP | Petrol | — |
| MT | 420i xDrive Steptronic | 8 | 184 HP | Petrol | — |
| AT | 430d Mild Hybrid Steptronic | 8 | 286 HP | Diesel | — |
| AT | 430i xDrive Steptronic | 8 | 245 HP | Petrol | — |
| AT | 430i Steptronic | 8 | 258 HP | Petrol | — |
| AT | M440d Mild Hybrid xDrive Steptronic | 8 | 340 HP | Diesel | — |
| AT | M440i Mild Hybrid xDrive Steptronic | 8 | 374 HP | Petrol | — |
| AT | M440i Mild Hybrid xDrive Steptronic | 8 | 382 HP | Petrol | — |
Note: Performance figures may vary based on market and conditions.
BMW 4 Series G23 overview
The BMW 4 Series (G23) is the 2nd generation of the 4 Series, built from 2020 to 2024. It is offered as a Coupe with 9 engines (petrol, diesel), from 170 HP to 382 HP. The 430i (245 Hp) Steptronic accelerates from 0 to 100 km/h in 6.2 s, reaches a top speed of 250 km/h and is 4783 mm long.
How much horsepower does the BMW 4 Series have?
The BMW 4 Series (G23) has 170 HP to 382 HP, depending on the engine: 2.0 B48 (170 HP), 2.0 N20 (184 HP), 2.0 B47 (190 HP), 2.0 B48 (245 HP), 2.0 B48 (258 HP), 3.0 B57 (286 HP), 3.0 B57 (340 HP), 3.0 B58 (374 HP), 3.0 B58 (382 HP).
What engines are available for the BMW 4 Series?
The BMW 4 Series is available with 9 engines: 2.0 B48 (170 HP, petrol), 2.0 N20 (184 HP, petrol), 2.0 B47 (190 HP, diesel), 2.0 B48 (245 HP, petrol), 2.0 B48 (258 HP, petrol), 3.0 B57 (286 HP, diesel), 3.0 B57 (340 HP, diesel), 3.0 B58 (374 HP, petrol), 3.0 B58 (382 HP, petrol).
What are the dimensions of the BMW 4 Series?
The BMW 4 Series is 4783 mm long, 1852 mm wide, 1442 mm tall, with a 2856 mm wheelbase.
How fast is the BMW 4 Series?
The BMW 4 Series 430i (245 Hp) Steptronic goes from 0 to 100 km/h in 6.2 s and has a top speed of 250 km/h.
Advanced Specs
Overview
| Generation | BMW 4 Series Gran Coupe G26 |
|---|---|
| Year | 2021–2024 |
| Platform | BMW CLAR |
| Variant | 430i (245 Hp) Steptronic |
| Body type | coupe |
| Engine type | Fuel |
| Fuel type | Petrol |
| Seats | 5 |
| Doors | 5 |
| Emission standard | Euro 6d |
Power & torque
| Power | 245 HP |
|---|---|
| Power @ min rpm | 4500 rpm |
| Power @ max rpm | 6500 rpm |
| Torque | 400 Nm |
| Torque @ min rpm | 1600 rpm |
| Torque @ max rpm | 4000 rpm |
Performance
| Top speed | 250 km/h |
|---|---|
| 0–100 km/h | 6.2 s |
| 0–62 mph | 6.2 s |
Engine
| Engine code | B48B20M1 |
|---|---|
| Displacement | 1998 cc |
| Cylinders | 4 |
| Configuration | inline |
| Injection system | Direct Injection |
| Aspiration | Turbocharger Intercooler |
| Oil capacity | 5.0 L |
| Engine layout | Front Longitudinal |
| Engine systems | Start Stop Systemparticulate Filter |
Drivetrain & transmission
| Drive | Rear Wheel Drive |
|---|---|
| Powertrain architecture | Internal Combustion Engine |
| Drivetrain architecture | The Internal Combustion Engine Ice Drives The Rear Wheels Of The Vehicle |
| Gearbox type | Torque Converter |
| Gears | 8 |
| Gearbox code | 8hp51 |
| Gearbox manufacturer | zf |
Dimensions
| Length | 4783 mm |
|---|---|
| Width | 1852 mm |
| Height | 1442 mm |
| Wheelbase | 2856 mm |
| Front track | 1595 mm |
| Rear track | 1623 mm |
| Boot space | 470 – 1290 L |
| Ground clearance | 140 mm |
| Turning circle | 12.0 m |
Mass
| Kerb weight | 1645 kg |
|---|---|
| Max weight | 2200 kg |
| Max load | 555 kg |
Consumption & emissions
| Fuel combined (WLTP) | 6.8 L/100km |
|---|---|
| CO₂ (WLTP) | 156 g/km |
| Fuel tank | 59.0 L |
Chassis & brakes
| Front suspension | Double Wishbone |
|---|---|
| Rear suspension | Independent Multi Link Suspension |
| Front brakes | Ventilated Discs |
| Rear brakes | Ventilated Discs |
| Steering type | Steering Rack And Pinion |
| Power steering | Electric Steering |
| Tire size | 225/55 R17 101Y XL |
| Wheel rims | 7.5J x 17 |
| Assisting systems | Abs Anti Lock Braking System |
Efficiency ratios
| Weight-to-power | 6.7 kg/Hp, 148.9 Hp/tonne |
|---|---|
| Weight-to-torque | 4.1 kg/Nm, 243.2 Nm/tonne |
| Max roof load | 75 kg |
Other
| Start Of Production | 2021 |
|---|---|
| End Of Production | 2024 |
Performance
Engine speed (1k/rpm)
! Figures from catalog data; real-world values may differ.
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