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BMW 4 Series G23 Facelift (2024–2025) Specs

Specifications, engines, dimensions and technical data.

Gen 2 2020 - 2025 G23 Coupe
BMW 4 Series
Engine —
Power —
Fuel —
Gears —
Platform —

Body Style



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 (374 Hp) Mild Hybrid xDrive Steptronic accelerates from 0 to 100 km/h in 4.7 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 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 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 M440i (374 Hp) Mild Hybrid xDrive Steptronic goes from 0 to 100 km/h in 4.7 s and has a top speed of 250 km/h.

Advanced Specs

Overview

Generation BMW 4 Series Gran Coupe G26 LCI facelift
Year 2024–2025
Platform BMW CLAR
Variant M440i (374 Hp) Mild Hybrid xDrive Steptronic
Body type coupe
Engine type Mild Hybrid
Fuel type Petrol
Seats 5
Doors 5
Emission standard Euro 6e

Power & torque

Power 374 HP
Power @ min rpm 5500 rpm
Power @ max rpm 6500 rpm
Torque 500 Nm
Torque @ min rpm 1900 rpm
Torque @ max rpm 5000 rpm

Performance

Top speed 250 km/h
0–100 km/h 4.7 s
0–62 mph 4.7 s

Engine

Engine code B58B30B
Displacement 2998 cc
Cylinders 6
Configuration inline
Bore 82.0 mm
Stroke 94.6 mm
Compression ratio 10.2
Valves per cylinder 4
Injection system Direct Injection
Aspiration Twin Power Turbo Intercooler
Valvetrain Valvetronic Double Vanos
Oil capacity 6.5 L
Engine layout Front Longitudinal
Engine systems Start Stop Systemparticulate Filter

Drivetrain & transmission

Drive All wheel drive (4x4)
Powertrain architecture Mhev Mild Hybrid Electric Vehicle Power Assist Hybrid Battery Assisted Hybrid Vehicles Bahv
Drivetrain architecture The Internal Combustion Engine Ice And The Electric Motor Permanently Drive The Four 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 4783 mm
Width 1852 mm
Height 1442 mm
Wheelbase 2856 mm
Front track 1585 mm
Rear track 1612 mm
Boot space 470 – 1290 L
Ground clearance 140 mm
Turning circle 12.0 m

Mass

Kerb weight 1825 kg
Max weight 2380 kg
Max load 555 kg

Consumption & emissions

Fuel combined (WLTP) 8.2 L/100km
CO₂ (WLTP) 186 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 245/45 R18
Wheel rims 8.5J x 18
Assisting systems Abs Anti Lock Braking System

Efficiency ratios

Weight-to-power 4.9 kg/Hp, 204.9 Hp/tonne
Weight-to-torque 3.7 kg/Nm, 274 Nm/tonne
Max roof load 75 kg

Electric / hybrid

Battery capacity (gross) 0.4 kWh
Electric motor power 11 HP
Electric motor torque 25 Nm

Other

Start Of Production 2024
End Of Production 2025
Width Including Mirrors 2073
Front Overhang 862
Rear Overhang 1065

Performance

Engine speed (1k/rpm)

Figures from catalog data; real-world values may differ.

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