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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 420i (170 Hp) Steptronic accelerates from 0 to 100 km/h in 8.2 s, reaches a top speed of 230 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, 1383 mm tall, with a 2851 mm wheelbase.

How fast is the BMW 4 Series?

The BMW 4 Series 420i (170 Hp) Steptronic goes from 0 to 100 km/h in 8.2 s and has a top speed of 230 km/h.

Advanced Specs

Overview

Generation BMW 4 Series Coupe G22 LCI facelift
Year 2024–present
Platform BMW CLAR
Variant 420i (170 Hp) Steptronic
Body type coupe
Engine type Fuel
Fuel type Petrol
Seats 4
Doors 2

Power & torque

Power 170 HP
Power @ min rpm 5000 rpm
Power @ max rpm 6000 rpm
Torque 250 Nm
Torque @ min rpm 2000 rpm
Torque @ max rpm 4700 rpm

Performance

Top speed 230 km/h
0–100 km/h 8.2 s
0–62 mph 8.2 s

Engine

Engine code B48B20M0
Displacement 1597 cc
Cylinders 4
Configuration inline
Bore 82.0 mm
Stroke 75.6 mm
Compression ratio 9
Valves per cylinder 4
Injection system Direct Injection
Aspiration Twin Power Turbo Intercooler
Valvetrain Valvetronic Double Vanos
Oil capacity 5.3 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 4768 mm
Width 1852 mm
Height 1383 mm
Wheelbase 2851 mm
Front track 1573 mm
Rear track 1612 mm
Boot space 440 L
Ground clearance 127 mm
Turning circle 11.4 m

Mass

Kerb weight 1525 kg

Consumption & emissions

Fuel combined (WLTP) 7.1 L/100km
Fuel combined 7.4 L/100km
CO₂ (WLTP) 160 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 Front wheel tires: 225/50 R17; 225/45 R18; 225/40 R19Rear wheel tires: 225/50 R17; 255/40 R18; 255/35 R19
Wheel rims Front wheel rims: 7.5J x 17; 7.5J x 18; 8J x 19Rear wheel rims: 7.5J x 17; 8.5J x 18; 8.5J x 19
Assisting systems Abs Anti Lock Braking System

Efficiency ratios

Weight-to-power 9 kg/Hp, 111.5 Hp/tonne
Weight-to-torque 6.1 kg/Nm, 163.9 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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