In-depth reviews

BMW 4 Series Coupe 420d MHT M Sport 2dr Step Auto

Doors	2
Fuel Delivery	COMMON RAIL
Transmission	Semi-auto
Fuel Type	Diesel
Engine Capacity - CC	1995
Trim	M Sport
Price	£45,540
Engine Power - BHP	190
Acceleration	7.1
Top Speed	149 mph
WLTP - MPG - Comb	60.1
WLTP - CO2 (g/km) - Comb	122
Length	4768 mm
Width	1852 mm
Height	1383 mm
Luggage Capacity (Seats Up)	440 l
Minimum Kerbweight	1605 kg

Driver Convenience

Active guard plus
Attentiveness assist
Auto start-stop
BMW ConnectedDrive online services
BMW iDrive controller on centre console
BMW Live Cockpit Professional Nav with 12.3" instrument display + 10.25" display, Intelligent Voice Assist, BMW OS 7, HDD, 2USB, 4G LTE connect
BMW service history
BMW Teleservices
Brake pad wear indicator in front and rear
Check Control warning system for monitoring of lights and door/luggage compartment open warning
Condition based service
Cruise control with speed limit function
Electric power steering with Servotronic steering optimised at all speed ranges
Gearshift time display in manual mode
Instrument cluster with speedometer with mph readout, tachometer, fuel gauge and oil temperature gauge
Integrated owners handbook
Oil sensor for level and grade, warning by check control system
On board computer - average speed, fuel consumption, outside temp display with acoustic warning, clock/date, service interval, odometer/trip meter
Optimum shift indicator
Run flat indicator
Shifting point display
Touch control functionality for BMW Live Cockpit Professional Nav
Variable sport steering

Engine/Drivetrain/Suspension

48V Mild hybrid technology
8 speed automatic steptronic transmission with gearshift paddles
Balanced 50/50 weight distribution
Diesel particulate filter
Double joint spring strut front axle
Drive performance control - ECO PRO, comfort and sport modes
Incorrect fuelling protection
Low centre of gravity
M sport suspension
Stroke dependent dampers

Entertainment

2x USB Type C ports in front centre console for charging and data transfer
2x USB Type C ports in rear centre console for charging
DAB tuner
Electronic service booklet

Exterior Features

3rd brake light
Acoustic glazing
Automatic headlight beam throw control with load dependent regulating reaction, dynamic compensation of braking dive and acceleration squat
Automatic windscreen wipers and automatic headlight
Automatically dimming electrochromatic rear view mirror
BMW emblem on engine compartment lid and tailgate
BMW kidney grille with mesh grille front side of the nuggets in matt aluminium and frame in chrome high gloss
Body colour fuel filler flap
Body colour roof fin
Brushed aluminium inserts in the front door sill finishers with BMW designation
Door sill strips
Dynamic brake lights
Electric windows - front and rear, with open/close fingertip control, anti trap facility and comfort closing function all round
Exterior mirrors - electrically folding with anti-dazzle
Fading support
Follow me home headlights
Front and rear bumper system
Front apron plastic in body colour
Green tinted heat protection glazing
High gloss shadow line exterior trim
Illuminated bow type door handles in body colour drivers side with door lock
Interior rear view electrochromatic mirror with automatic anti dazzle function
LED daytime running lights
LED front fog lights
LED front indicators
Licence plate panel integrated into front bumper and tailgate
Lightweight engineering
M designation on front side panels, left and right
M sport rear boot spoiler with body colour gurney
Model designation on right side of tailgate
One piece front bumper cover including towing eye cover in body colour
Preparation for high beam assistant
Rear boot
Reversing light
Side frame decorative moulding black matt
Two part LED tailights in L-shape with components in smoked glass, brake light, LED turn indicator and rear fog light
Visible exhaust tailpipe finisher
Visible VIN plate
Welcome lights in interior and door handle area
Widened track and increased camber values for max transverse dynamics, agility and steering precision
Window recess cover black high gloss
Windscreen wipers with integrated heated washing jets

Interior Features

12V power socket in front centre console
2 front cupholder in centre console with clamping elements and matt black inlay
2 Rear seat headrests
2 seat bench in second row
3 spoke M sport leather multifunction steering wheel
3 zone automatic air conditioning
4 pieces lashing eyelets in luggage compartment
40:20:40 split folding rear seat and rear centre armrest with two cupholders
Anthracite headlining
Armrest integrated in front and rear door trim + front centre console armrest
Battery in luggage compartment
BMW ID
Driver seat backrest width adjustment
Four grab handles integrated in roof lining
Front and rear door pockets
Front and rear reading lights
Front sport seats
Heated driver and front passenger seats
Height adjustable front headrests
Height adjustable mechanically and infinitely variable steering column
Illuminated armrest storage compartment
Illuminated glove compartment with separate small compartment
Make-up mirror lights
Single front passenger seat
Storage compartment in rear centre console
Sunvisors with illuminated vanity mirrors and ticket pocket
Toolkit located in luggage compartment
Velour front floor mats
Vernasca leather upholstery

Packs

Ambient lighting pack - 4 Series
Connected professional pack - 4 Series
M sport exterior styling pack - 4 Series

Passive Safety

2 x 3-point rear seatbelts
Battery safety cut-off
BMW emergency call
Brake energy regeneration
Braking pre-tensioning
Child seat ISOFIX attachment for the two outer rear seats
Coasting in idle in ECO PRO mode
Cornering brake control (CBC)
Crash sensor activating of airbags, Unlocking doors, hazard warning lights, interior light, safety battery terminal
Driver and front passenger side airbags, integrated in the door side seat backrest bolsters for all seat variants
Driver/Front Passenger airbags
Dry braking
Dynamic brake control
Dynamic stability control + (DSC+) - Anti-lock Braking System (ABS) with brake assist and cornering brake control + Automatic Stability Control (ASC)
Dynamic Traction Control - DTC
Electric parking brake including automatic hold function and automatic release of the parking brake when driving off
Electronic differential lock control (EDLC)
Front and rear ventilated brake disc
Front passenger manual airbag deactivation
Head airbags for all 4 outer seats
Hill start assistant
Seat belt security check for driver and front passenger
Seat belt with belt stopper, pyrotechnic belt tensioners and belt force limiters
Seat occupancy detection for driver and passenger side
Side impact protection
Tyre pressure monitoring with three level warning strategy
Warning triangle and first aid kit

Security

Alarm system (Thatcham 1) with remote control and electronic engine immobiliser
Central locking switch for all doors, fuel filler cap and luggage compartment
Remote control with integrated key one button open/close vehicle and windows, sole opening of the luggage compartment lid and panic mode
Start/stop button with Comfort Go keyless engine start and auto Start/stop deactivation button
Vehicle key with M specific designation

Trim

Sensatec instrument panel

Wheels

Reduced rolling resistance tyres

Emissions - ICE

Standard Euro Emissions	EURO 6
WLTP - CO2 (g/km) - Comb	122
WLTP - CO2 (g/km) - Comb - TEH	130
WLTP - CO2 (g/km) - Comb - TEL	122
WLTP - CO2 (g/km) - Extra High	125
WLTP - CO2 (g/km) - Extra High - TEH	133
WLTP - CO2 (g/km) - Extra High - TEL	124
WLTP - CO2 (g/km) - High	108
WLTP - CO2 (g/km) - High - TEH	114
WLTP - CO2 (g/km) - High - TEL	107
WLTP - CO2 (g/km) - Low	154
WLTP - CO2 (g/km) - Low - TEH	158
WLTP - CO2 (g/km) - Low - TEL	149
WLTP - CO2 (g/km) - Medium	118
WLTP - CO2 (g/km) - Medium - TEH	125
WLTP - CO2 (g/km) - Medium - TEL	116

Engine and Drive Train

Catalytic Convertor	Yes
Engine capacity (cc)	1995
Compression Ratio	16.5:1
Cylinder Layout	IN-LINE
Cylinders	4
Cylinders - Bore (mm)	84
Cylinders - Stroke (mm)	90
Engine Layout	NORTH SOUTH
Gears	8 SPEED
Number of Valves	16
Transmission	SEMI-AUTO

Fuel Consumption - ICE

WLTP - MPG - Comb	60.1
WLTP - MPG - Comb - TEH	56.5
WLTP - MPG - Comb - TEL	60.1
WLTP - MPG - Extra High	58.9
WLTP - MPG - Extra High - TEH	55.4
WLTP - MPG - Extra High - TEL	60.1
WLTP - MPG - High	68.9
WLTP - MPG - High - TEH	64.2
WLTP - MPG - High - TEL	68.9
WLTP - MPG - Low	47.9
WLTP - MPG - Low - TEH	47.1
WLTP - MPG - Low - TEL	49.6
WLTP - MPG - Medium	62.8
WLTP - MPG - Medium - TEH	58.9
WLTP - MPG - Medium - TEL	64.2

General

AdBlue	Yes
Generation Mark	2
Insurance Group 1 - 50 Effective January 07	32E
NCAP Adult Occupant Protection %	97
NCAP Child Occupant Protection %	83
NCAP Overall Rating - Effective February 09	5
NCAP Pedestrian Protection %	93
NCAP Safety Assist %	72
Service Interval Frequency - Months	24
Service Interval Mileage	15000
Standard manufacturers warranty - Mileage	Unlimited
Standard manufacturers warranty - Years	3
Vehicle Homologation Class	M1

Performance

0 to 62 mph (secs)	7.1
Engine Power - BHP	190
Engine Power - RPM	4000
Engine Torque - NM	400
Engine Torque - RPM	1750
Top Speed	149 mph

Test Cycles

RDE Certification Level

RDE 2

Tyres

Space Saver?	No
Tyre Size Front	225/45 R18
Tyre Size Rear	225/45 R18
Tyre Size Spare	TYRE REPAIR KIT
Wheel Style	DOUBLE SPOKE STYLE 848M
Wheel Type	18" ALLOY

Vehicle Dimensions

Height	1383 mm
Length	4768 mm
Wheelbase	2851 mm
Width	1852 mm
Width (including mirrors)	2081 mm

Weight and Capacities

Fuel Tank Capacity (Litres)	59
Gross Vehicle Weight	2095 kg
Luggage Capacity (Seats Up)	440 l
Max. Loading Weight	490 kg
Max. Roof Load	75
Max. Towing Weight - Braked	1600
Max. Towing Weight - Unbraked	750
Minimum Kerbweight	1605 kg
No. of Seats	4
Turning Circle - Kerb to Kerb	11.4 m

Coupes

Most Popular

.imgHideOnJavaScriptDisabled_40599y15mkoznfiq { display: none !important; }

Vauxhall sales are up because it’s not greedy, unlike some of its rivals

Mike Rutherford takes a closer look at the UK new car sales figures from 2025

Opinion

18 Jan 2026

.imgHideOnJavaScriptDisabled_40599y15mkoznfir { display: none !important; }

Car Deal of the Day: the Audi RS 3 rocketship is yours for a superb £494 per month

Put a smile on your face with one of Audi’s best RS models ever. The RS 3 is our Deal of the Day for January 18.

News