BMW
BMW 4 Series G23 Facelift (2024–2025) Specs
Specifications, engines, dimensions and technical data.
Gen 2
2020 - 2025
G23
Cabriolet
W
L
H
WB
GC
Boot
Engine
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Power
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Fuel
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Gears
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Platform
—
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 | — |
| 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 Mild Hybrid xDrive Steptronic | 8 | 255 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 | 392 HP | Petrol | — |
Note: Performance figures may vary based on market and conditions.
BMW 4 Series G23 Facelift overview
The BMW 4 Series (G23 Facelift) is the 2nd generation of the 4 Series, built from 2024 to 2025. It is offered as a Cabriolet with 9 engines (petrol, diesel), from 170 HP to 375 HP. The 430i (245 Hp) xDrive Steptronic accelerates from 0 to 100 km/h in 6.3 s, reaches a top speed of 250 km/h and is 4768 mm long.
How much horsepower does the BMW 4 Series have?
The BMW 4 Series (G23 Facelift) has 170 HP to 375 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 (255 HP), 3.0 B57 (286 HP), 3.0 B57 (340 HP), 3.0 B58 (374 HP), 3.0 B58 (375 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 (255 HP, petrol), 3.0 B57 (286 HP, diesel), 3.0 B57 (340 HP, diesel), 3.0 B58 (374 HP, petrol), 3.0 B58 (375 HP, petrol).
What are the dimensions of the BMW 4 Series?
The BMW 4 Series is 4768 mm long, 1852 mm wide, 1391 mm tall, with a 2851 mm wheelbase.
How fast is the BMW 4 Series?
The BMW 4 Series 430i (245 Hp) xDrive Steptronic goes from 0 to 100 km/h in 6.3 s and has a top speed of 250 km/h.
Advanced Specs
Overview
| Generation | BMW 4 Series Convertible G23 LCI facelift |
|---|---|
| Year | 2024–present |
| Platform | BMW CLAR |
| Variant | 430i (245 Hp) xDrive Steptronic |
| Body type | cabriolet |
| Engine type | Fuel |
| Fuel type | Petrol |
| Seats | 4 |
| Doors | 2 |
| Emission standard | Euro 6e |
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 | 6.3 s |
| 0–62 mph | 6.3 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 | All wheel drive (4x4) |
|---|---|
| Powertrain architecture | Internal Combustion Engine |
| Drivetrain architecture | The Internal Combustion Engine Ice Drives Permanently The Four Wheels Of The Vehicle |
| Gearbox type | Torque Converter |
| Gears | 8 |
| Gearbox code | 8hp51 |
| Gearbox manufacturer | zf |
Dimensions
| Length | 4768 mm |
|---|---|
| Width | 1852 mm |
| Height | 1391 mm |
| Wheelbase | 2851 mm |
| Front track | 1573 mm |
| Rear track | 1612 mm |
| Boot space | 300 – 385 L |
| Ground clearance | 123 mm |
| Turning circle | 12.0 m |
Mass
| Kerb weight | 1765 kg |
|---|---|
| Max weight | 2260 kg |
| Max load | 495 kg |
Consumption & emissions
| Fuel combined (WLTP) | 7.3 L/100km |
|---|---|
| CO₂ (WLTP) | 166 g/km |
| Fuel tank | 59.0 L |
Chassis & brakes
| Front suspension | Spring Strut Transverse Stabilizer |
|---|---|
| Rear suspension | Independent Multi Link Spring Suspension With Stabilizer |
| Front brakes | Ventilated Discs |
| Rear brakes | Ventilated Discs |
| Steering type | Steering Rack And Pinion |
| Power steering | Electric Steering |
| Tire size | 225/50 R17 |
| Wheel rims | 7.5J x 17 |
| Assisting systems | Abs Anti Lock Braking System |
Efficiency ratios
| Weight-to-power | 7.2 kg/Hp, 138.8 Hp/tonne |
|---|---|
| Weight-to-torque | 4.4 kg/Nm, 226.6 Nm/tonne |
Other
| Start Of Production | 2024 |
|---|---|
| Width Including Mirrors | 2081 |
| Front Overhang | 858 |
| Rear Overhang | 1059 |
Performance
Engine speed (1k/rpm)
! Figures from catalog data; real-world values may differ.
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