Full specifications
BMW 4-Series 420i Gran Coupé Specifications
Complete technical specifications for the BMW 4-Series 420i Gran Coupé — 184 hp, petrol, hatchback, 2024. Performance highlights: 0–100 km/h in 7.9 s, top speed 235 km/h (146 mph), consumption 6.6 l/100km (42.8 mpg UK · 35.6 mpg US).
General · 2 fields
| Vehicle class | Passenger Car |
|---|---|
| Market segment | D-segment (Mid-size) |
Fuel & Engine · 11 fields
| Bore | 82 mm |
|---|---|
| Catalytic converter | Closed-loop |
| Compression ratio | 11 :1 |
| Fuel system | Direct Injection |
| Fuel tank capacity | 59 L (15.6 gal US) |
| RPM at 100 km/h | 1,450 rpm |
| RPM at 130 km/h | 1,900 rpm |
| Stroke | 95 mm |
| Turbocharged | Yes |
| Valve actuation | DOHC |
| Valves per cylinder | 4 |
Chassis · 11 fields
| Front spring type | Coil Springs |
|---|---|
| Rear spring type | Coil Springs |
| Front anti-roll bar | Yes |
| Rear anti-roll bar | Yes |
| Front brakes | Ventilated Discs |
| Front suspension | MacPherson Struts |
| Rear brakes | Ventilated Discs |
| Rear suspension | Multilink |
| Turning circle | 12.0 m (39.4 ft) |
| Front tyre size | 225/55R17 |
| Rear tyre size | 225/55R17 |
Weights · 9 fields
| Ball pressure | 75 kg (165 lb) |
|---|---|
| Front axle weight | 1,015 kg (2,238 lb) |
| Gross vehicle weight | 2,175 kg (4,795 lb) |
| Kerb weight | 1,595 kg (3,516 lb) |
| Payload | 580 kg (1,279 lb) |
| Rear axle weight | 1,245 kg (2,745 lb) |
| Roof load | 75 kg (165 lb) |
| Towing weight (braked) | 1,600 kg (3,527 lb) |
| Towing weight (unbraked) | 750 kg (1,653 lb) |
Luggage / Load · 1 fields
| Boot capacity | 470 L (16.6 cu ft) |
|---|
Exterior Sizes · 7 fields
| Length | 4,783 mm (188.3 in) |
|---|---|
| Width | 1,852 mm (72.9 in) |
| Height | 1,442 mm (56.8 in) |
| Wheelbase | 2,856 mm (112.4 in) |
| Front track | 1,595 mm |
| Ground clearance | 140 mm (5.5 in) |
| Rear track | 1,623 mm |
Safety · 30 fields
| Crash test rating | 5 stars |
|---|---|
| ABS | Standard |
| EBD | Standard |
| Brake assist | Standard |
| ESP | Standard |
| Traction control | Standard |
| Limited slip differential | Not Available |
| Electronic damping | Optional |
| Automatic level control | Not Available |
| Hill start assist | Standard |
| Forward collision warning | Standard |
| Autonomous emergency braking | Standard |
| Pedestrian AEB | Standard |
| Lane keeping assist | Standard |
| Steering assist | Optional Package |
| Blind spot detection | Optional |
| Fatigue detection | Standard |
| Tyre pressure monitoring | Standard |
| Night vision | Not Available |
| Pre-crash system | Optional Package |
| High beam assist | Optional |
| Traffic sign recognition | Standard |
| Cross traffic warning | Optional Package |
| Driver airbag | Standard |
| Passenger airbag | Standard |
| Side airbags | Standard (Front) |
| Curtain airbags | Standard (Front & Rear) |
| Driver knee airbag | Not Available |
| ISOFIX | Standard |
| Emergency call (eCall) | Standard |
Comfort · 15 fields
| Central locking | Standard |
|---|---|
| Keyless entry/start | Optional |
| Smartphone key | Not Available |
| Start button | Standard |
| Power steering | Standard |
| Steering wheel controls | Optional |
| Electric windows | Standard (Front) |
| Cruise control | Standard |
| Air conditioning | Standard (Automatic) |
| Dual zone climate | Standard |
| Parking sensors | Standard (Front & Rear) |
| Reverse camera | Standard |
| Park assist | Standard |
| Electric parking brake | Standard |
| Start/stop system | Standard |
Interior · 32 fields
| Seat height adjustment | Standard (Driver & Passenger) |
|---|---|
| Lumbar support | Optional |
| Electric seat adjustment | Not Available |
| Heated seats | Standard (Front) |
| Ventilated seats | Optional |
| Sport seats | Standard |
| Leather steering wheel | Standard |
| Adjustable steering | Standard |
| Heated steering wheel | Optional |
| Leather upholstery | Standard |
| Rear headrests | Standard |
| Folding rear seats | Standard (Split) |
| Sliding rear seats | Not Available |
| Armrest | Standard |
| Pre-heating | Optional |
| Auto-dimming mirror | Standard |
| Rev counter | Standard |
| Trip computer | Standard |
| Digital instruments | Not Available |
| Head-up display | Optional |
| Audio system | Standard |
| Digital radio (DAB+) | Standard |
| Audio steering controls | Standard |
| Audio input | Standard |
| Navigation | Standard |
| Bluetooth | Standard |
| Wireless charging | Optional |
| Apple CarPlay | Standard |
| Android Auto | Not Available |
| OTA updates | Not Available |
| Outside temperature | Standard |
| Reading lights | Standard |
Exterior · 21 fields
| Rain sensor | Standard (Rain Sensor) |
|---|---|
| Alloy wheels | Standard |
| Sunroof | Optional |
| Panoramic roof | Not Available |
| Roof rails | Not Available |
| Metallic paint | Optional |
| Body-coloured bumpers | Standard |
| Tinted glass | Standard |
| Privacy glass | Optional |
| Electric boot | Standard |
| Electric mirrors | Standard (Heated) |
| Folding mirrors | Optional |
| Auto-dimming ext. mirrors | Standard |
| Indicators in mirrors | Standard |
| Front fog lights | Optional |
| Automatic headlights | Standard |
| Xenon headlights | Not Available |
| LED headlights | Standard |
| LED tail lights | Standard |
| Headlight washers | Not Available |
| Alarm | Standard |
Service & Warranty · 3 fields
| Service interval | variable / 2 years |
|---|---|
| General warranty | 3 years, onbeperkt |
| Body warranty | 12 years |
Costs · 1 fields
| Road tax quarterly (NL) | €293 |
|---|