BMW
BMW 4 Series G23 Facelift (2024–2025) 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
—
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 | — |
| 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 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 Coupe with 9 engines (petrol, diesel), from 170 HP to 375 HP. The M440i (386 Hp) Mild Hybrid Steptronic reaches a top speed of 210 km/h and is 4787 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 4787 mm long, 1852 mm wide, 1442 mm tall, with a 2856 mm wheelbase.
Advanced Specs
Overview
| Generation | BMW 4 Series Gran Coupe G26 LCI facelift |
|---|---|
| Year | 2024–present |
| Platform | BMW CLAR |
| Variant | M440i (386 Hp) Mild Hybrid Steptronic |
| Body type | coupe |
| Engine type | Mild Hybrid |
| Fuel type | Petrol |
| Seats | 5 |
| Doors | 5 |
Power & torque
| Power | 375 HP |
|---|
Performance
| Top speed | 210 km/h |
|---|---|
| 0–60 mph | 4.6 s |
Engine
| Engine code | B58B30O2 |
|---|---|
| Displacement | 2998 cc |
| Cylinders | 6 |
| Configuration | inline |
| Bore | 82.0 mm |
| Stroke | 94.6 mm |
| Valves per cylinder | 4 |
| Injection system | Direct Injection |
| Aspiration | Twin Scroll Turbo Intercooler |
| Valvetrain | Double Vanos Valvetronic |
| Engine layout | Front Longitudinal |
| Engine systems | Start Stop System |
Drivetrain & transmission
| Drive | Rear Wheel Drive |
|---|---|
| Powertrain architecture | Mhev Mild Hybrid Electric Vehicle Power Assist Hybrid Battery Assisted Hybrid Vehicles Bahv |
| Drivetrain architecture | The Internal Combustion Engine Ice And Electric Motor Drive The Rear Wheels Of The Car With The Ability To Work Only In Mixed Mode |
| Gearbox type | Torque Converter |
| Gears | 8 |
| Gearbox code | 8hp51 |
| Gearbox manufacturer | zf |
Dimensions
| Length | 4787 mm |
|---|---|
| Width | 1852 mm |
| Height | 1442 mm |
| Wheelbase | 2856 mm |
| Front track | 1582 mm |
| Rear track | 1610 mm |
| Boot space | 470 – 1291 L |
| Ground clearance | 140 mm |
| Turning circle | 12.0 m |
Mass
| Kerb weight | 1882 kg |
|---|---|
| Max weight | 2415 kg |
| Max load | 533 kg |
Consumption & emissions
| 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 | Front wheel tires: 245/45 R18; 245/40 R19; 245/35 R20Rear wheel tires: 245/45 R18; 255/40 R19; 255/35 R20 |
| Wheel rims | Front wheel rims: 8.5J x 18; 8.5J x 19; 8.5J x 20Rear wheel rims: 8.5J x 18; 9J x 19; 9J x 20 |
| Assisting systems | Abs Anti Lock Braking System |
Efficiency ratios
| Weight-to-power | 4.9 kg/Hp, 205.1 Hp/tonne |
|---|---|
| Weight-to-torque | 3.5 kg/Nm, 286.9 Nm/tonne |
Electric / hybrid
| Battery capacity (gross) | 0.4 kWh |
|---|---|
| Electric motor power | 11 HP |
| Electric motor torque | 25 Nm |
Other
| Start Of Production | 2024 |
|---|---|
| Width Including Mirrors | 2073 |
Performance
Engine speed (1k/rpm)
! Figures from catalog data; real-world values may differ.
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