Full specifications
BMW 4-Series 420i Coupé Specifications
Complete technical specifications for the BMW 4-Series 420i Coupé — 184 hp, petrol, coupe, 2017. Performance highlights: 0–100 km/h in 7.3 s, top speed 236 km/h (147 mph), consumption 5.8 l/100km (48.7 mpg UK · 40.6 mpg US).
General · 2 fields
| Vehicle class | Passenger Car |
|---|---|
| Market segment | G (Sporty) |
Fuel & Engine · 11 fields
| Bore | 82 mm |
|---|---|
| Catalytic converter | Closed-loop |
| Compression ratio | 11 :1 |
| Fuel system | Direct Injection |
| Fuel tank capacity | 60 L (15.9 gal US) |
| RPM at 100 km/h | 1,850 rpm |
| RPM at 130 km/h | 2,400 rpm |
| Stroke | 95 mm |
| Turbocharged | Yes |
| Valve actuation | DOHC |
| Valves per cylinder | 4 |
Consumption (NEDC) · 2 fields
| Urban consumption | 7.7 l/100km (36.7 mpg UK · 30.5 mpg US) |
|---|---|
| Extra-urban consumption | 4.7 l/100km (60.1 mpg UK · 50.0 mpg US) |
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 | 11.3 m (37.1 ft) |
| Front tyre size | 225/50R17 |
| Rear tyre size | 225/50R17 |
Weights · 9 fields
| Ball pressure | 75 kg (165 lb) |
|---|---|
| Front axle weight | 940 kg (2,072 lb) |
| Gross vehicle weight | 1,995 kg (4,398 lb) |
| Kerb weight | 1,450 kg (3,197 lb) |
| Payload | 545 kg (1,202 lb) |
| Rear axle weight | 1,115 kg (2,458 lb) |
| Roof load | 75 kg (165 lb) |
| Towing weight (braked) | 1,400 kg (3,086 lb) |
| Towing weight (unbraked) | 695 kg (1,532 lb) |
Luggage / Load · 1 fields
| Boot capacity | 445 L (15.7 cu ft) |
|---|
Exterior Sizes · 7 fields
| Length | 4,640 mm (182.7 in) |
|---|---|
| Width | 1,825 mm (71.9 in) |
| Height | 1,377 mm (54.2 in) |
| Wheelbase | 2,810 mm (110.6 in) |
| Front track | 1,545 mm |
| Ground clearance | 130 mm (5.1 in) |
| Rear track | 1,594 mm |
Interior Sizes · 1 fields
| Step-in height | 475 mm (18.7 in) |
|---|
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 | Not Available |
| Automatic level control | Not Available |
| Hill start assist | Standard |
| Forward collision warning | Not Available |
| Autonomous emergency braking | Not Available |
| Pedestrian AEB | Not Available |
| Lane keeping assist | Optional |
| Steering assist | Not Available |
| Blind spot detection | Optional |
| Fatigue detection | Optional |
| Tyre pressure monitoring | Standard |
| Night vision | Not Available |
| Pre-crash system | Not Available |
| High beam assist | Optional |
| Traffic sign recognition | Optional |
| Cross traffic warning | Not Available |
| 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 | Not Available |
| Electric windows | Standard (Front) |
| Cruise control | Standard |
| Air conditioning | Standard (Automatic) |
| Dual zone climate | Standard |
| Parking sensors | Standard (Rear) |
| Reverse camera | Optional |
| Park assist | Optional |
| Electric parking brake | Not Available |
| Start/stop system | Standard |
Interior · 32 fields
| Seat height adjustment | Standard (Driver & Passenger) |
|---|---|
| Lumbar support | Optional |
| Electric seat adjustment | Not Available |
| Heated seats | Optional |
| Ventilated seats | Not Available |
| Sport seats | Optional |
| Leather steering wheel | Standard |
| Adjustable steering | Standard |
| Heated steering wheel | Optional |
| Leather upholstery | Optional |
| Rear headrests | Standard |
| Folding rear seats | Standard (Split) |
| Sliding rear seats | Not Available |
| Armrest | Standard |
| Pre-heating | Not Available |
| Auto-dimming mirror | Standard |
| Rev counter | Standard |
| Trip computer | Standard |
| Digital instruments | Not Available |
| Head-up display | Optional |
| Audio system | Standard |
| Digital radio (DAB+) | Optional |
| Audio steering controls | Standard |
| Audio input | Standard |
| Navigation | Optional |
| Bluetooth | Standard |
| Wireless charging | Not Available |
| Apple CarPlay | Optional |
| Android Auto | Not Available |
| OTA updates | Not Available |
| Outside temperature | Standard |
| Reading lights | Standard |
Exterior · 21 fields
| Rain sensor | Standard |
|---|---|
| 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 | Optional |
| Indicators in mirrors | Standard |
| Front fog lights | Standard |
| Automatic headlights | Standard |
| Xenon headlights | Not Available |
| LED headlights | Standard |
| LED tail lights | Standard |
| Headlight washers | Not Available |
| Alarm | Optional |
Service & Warranty · 3 fields
| Service interval | variable / 2 years |
|---|---|
| General warranty | 2 years, onbeperkt |
| Body warranty | 12 years |
Costs · 1 fields
| Road tax quarterly (NL) | €265 |
|---|