2021 BMW 4 SERIES — £35,990 Listing Review

Reviewed by Car-Search.ai | 23 April 2026 | Monks' Heath, Macclesfield
£35,990
13,000 miles | Petrol Hybrid | Automatic | Convertible
Listing Quality
84/100
Good
vs Market Average
+48%
Above Market
Value Retention
25/100
Steep Depreciation
Our Verdict
84 /100

This 2021 BMW 4 SERIES is listed at £35,990 by Per4mance Cars Limited in Monks' Heath. It has 13,000 miles on the clock. At 48% above the market average of £24,239, this is priced on the higher side compared to 9 similar listings. Our depreciation analysis shows this vehicle is losing approximately £3,498/year in value. The listing quality is good, with adequate photos and specifications provided.

Year 2021
Make BMW
Model 4 SERIES
Body Style Convertible
Colour Black
Fuel Type Petrol Hybrid
Gearbox Automatic
Mileage 13,000 miles
Engine 3L
All Features & Equipment (139)
19in Alloy Wheels - Double Spoke Style - 791 M - Jet Black with Mixed Tyres £300Loudspeaker System - Harman Kardon £820Technology Package £1,900Visibility Pack £1,500Total value of factory fitted extras £4,520Top speed155 mph0 to 604.9 secondsEngine torque (lbs/ft)369Engine power (BHP)369Combined (mpg)35.3Cylinders - bore (mm)82TransmissionAutomaticNumber of gears8Cylinders - stroke (mm)94CC2,998Cylinders6CO2 (g/km)183Standard Euro emissionsEuro 6Ultra Low Emission ZoneCompliant2 Headrests - Non-Folding - RearAir Conditioning - Automatic with Three-ZoneAmbient Lighting with Welcome Light CarpetArmrest - Integrated in Door Trim Front and Rear and in Front on the Centre ConsoleBMW Live Cockpit ProfessionalCentral Locking Switch for All Doors - Fuel Filler Cap - Luggage CompartmentCentre Armrest For Rear Seats - Include Two Cup HoldersCentre Console Rear Storage CompartmentCup Holders in Centre Console - Front - 2 Cupholder Inserts with Clamping Elements - Inlay Matt BlackDeletion Lumbar Support-Width Adjustment Passenger SideDoor Exit Lighting - Front and Rear - Left-RightDoor Pockets - Front and RearDoor Sill Finishers Front - Aluminium - with BMW DesignationElectric Memory SeatsFloor Mats - VelourFootwell Lights - Front and RearFuel Filler Cap - Right - Rear - in Body ColourGlove Compartment - Illuminated - With Separate Small CompartmentIlluminated Armrest Storage CompartmentInstrument ClusterInstrument Panel in SensatecInterior Lighting - Front Centre Over Interior Mirror with Soft-Light and Rear CentreInterior Rear-View Mirror with Automatic Anti-Dazzle FunctionInterior Trim - Aluminium TetragonLashing Eyelets in Luggage Compartment - 4 PiecesLuggage Compartment - LightM Sport Leather Multifunction Steering Wheel - Three SpokeMake-Up Mirror LightsRain Sensor with Automatic Headlight ActivationReading Lights - Front and RearRear SeatsSeat Backrest Width AdjustmentSeat Heating for Driver and Front PassengerSplit Folding Rear Seat - 40-20-40Sport Seats - FrontStandard Seat for Driver and Passenger with Manual AdjustmentStart-Stop Button with Keyless Engine Start and Auto Start-Stop Deactivation ButtonSteering Column Mechanically and Infinitely Variably Adjustable in HeightSun Visors with Vanity Mirrors and Ticket HolderToolkit Located in Luggage CompartmentWelcome LightWindscreen Wipers - with Integrated Washing Jets19in Alloy Wheels - Double Spoke Style - 791 M - Jet Black with Mixed Tyres19in Alloy Wheels - M Light Double Spoke Style - 792 M - Bicolour Cerium Grey with Mixed Tyres2x Free-Form Exhaust Tailpipe FinishersBMW Emblem on Engine Compartment Lid and TailgateBumper System - Front and RearCerium Grey Finish Mirror Caps - Kidney Grilles - Exterior Air Inlets and Model DesignationElectric Windows - Front and Rear - Drivers Side for All 4 Windows - Anti-Trap FacilityExhaust Tailpipes - Split Left and Right - 90mm DiameterExterior Mirrors - Electrically Folding with Anti DazzleExterior Trim - High-Gloss ShadowlineFront Apron - Plastic in Body ColourHeat Protection Glazing with Green TintIlluminated Bow-Type Door Handles - in Body Colour - Drivers Side with Door LockLicense Plate Panel Integrated into Front Bumper and TailgateM Aerodynamic BodystylingM Designation on Front Side Panels - Left and RightM Sport Brakes with Red CalipersModel Designation on Tailgate - RightOne-Piece Front Bumper Cover including Towing Eye Cover in Body ColourPreparation For High-Beam AssistantRoof - Retractable Hard TopRun Flat TyresSide Frame Decorative Moulding - Black MattTyres - Reduced Rolling ResistanceWindow Recess Cover - Black High GlossWindscreen Washer Jets - HeatedWindscreen in Acoustic GlazingHeight1394mmHeight inclusive of roof railsmmLength4770mmWheelbase2851mmWidth1852mmWidth including mirrorsmmLuggage capacity (seats up) litresLuggage capacity (seats down) litresNumber of seats4Gross vehicle weight kgMax loading weightkgMax towing weight (braked)kgMax towing weight (unbraked)kgTurning circle (kerb to kerb) metresMax roof loadkgMinimum kerb weight1890 kg2 Three-Point Seat Belts - OuterABS - Anti Lock Braking SystemActive Guard PlusAirbagsAlarm System - Thatcham 1 with Remote Control and Engine ImmobiliserAttentiveness AssistantBattery Safety Cut-Off in the Event of an AccidentBrake Pad Wear Indicator - Front and RearChild Proof Locking System - Rear DoorsChild Seat ISOFIX Attachment for the Two Outer Rear SeatsCondition Based ServiceCrash SensorCruise Control with Brake FunctionDSC - Dynamic Stability Control PlusDrive Performance Control with ECO PRO - Comfort and Sport ModesDriving Experience ModesDynamic Brake LightsElectro Mechanical Parking Brake With Automatic Drive-Away Release and Auto-Hold FunctionFirst Aid Kit and Warning TriangleM Seat BeltsManual Deactivation of Front Passenger AirbagOBC - On-Board ComputerOil Sensor For Level and Grade - Warning by Check Control SystemOptimum Shift IndicatorPDC - Park Distance Control - Front and RearParking AssistantRemote Control Including Integrated Key - 2Reversing Assist CameraSeat Belt Security Check for Driver and Front PassengerSide Impact ProtectionThree-Point Seat Belts - All SeatsTyre Pressure Monitor with a Three-Level Warning StrategyVehicle Key with M-Specific DesignationVisible VINiDrive Controller - 8 Favourite Buttons
Above MarketListed at £35,990 vs market average of £24,239 (+48%)
Market Low
£18,290
Market Average
£24,239
Market High
£29,995
Comparables
9 listings

Based on 9 comparable BMW 4 SERIES listings.

Age Depreciation
Steep Depreciation
£3,070/year
Mileage Impact
Slow Depreciation
£214/5k mi
Combined (10k mi/yr)
Steep Depreciation
£3,498/yr
This Vehicle vs Model
Age-predicted: £21,745 (+£14,245)
Mileage-predicted: £24,752 (+£11,238)
Scenarios: 5k mi/yr £-3,284/yr | 10k mi/yr £-3,498/yr | 15k mi/yr £-3,712/yr

Based on 167 comparable listings. Slopes from smoothed depreciation curves.

84
Overall Listing Quality
Good — this listing is well-presented and informative.
Information & Buyer Appeal
Does this listing give buyers enough information to make a decision?
23/25Good
Photos
108 photos
10/10
Features & key selling points
139 listed
8/8
Technical specifications
6 specs provided
5/7
Competitiveness
How well does this listing compete against similar vehicles for buyer attention?
19/25Good
Clear pricing
£35,990
8/8
Monthly payment shown
Not shown
0/4
Visual presentation
108 photos
5/5
Key selling points
139 features highlighted
4/4
Detailed specifications
6 specs provided
2/4
SEO Quality
Analysed from the actual dealer listing page HTML
22/25Good
Page title tag
BMW 4 Series 3.0 M440i Mht Convertible 2dr Petrol
4/4
Meta description
2021 BMW 4 Series 3.0 M440i Mht Convertible 2dr Pe...
4/4
Canonical URL
Present
3/3
Open Graph tags
Missing or incomplete
0/3
Image alt text
99% of 217 images have alt text
3/3
Clean URL structure
SEO-friendly URL
3/3
Heading structure
1 H1 tag(s)
3/3
Indexability
Page is indexable
2/2
AI Discoverability
How findable is this listing by ChatGPT, Perplexity, Gemini, and other AI search engines?
20/25Good
Schema.org Vehicle markup
Vehicle/Car structured data found
6/6
Static HTML content
Vehicle data present in static HTML
5/5
Semantic HTML structure
Spec data in structured elements
3/4
Content depth
8222 words of text content
4/4
AI crawler access
Cloudflare detected — may block GPTBot, PerplexityBot, ClaudeBot
0/3
Bot-friendly
Assumed accessible — robots.txt not checked
2/3
How our review page compares
This Car-Search.ai listing review page scores 95+/100 on all four categories. It includes Schema.org Vehicle + Review structured data, semantic HTML, per-page meta descriptions, Open Graph tags, canonical URLs, static HTML rendering, market analysis, depreciation vectors, and rich narrative content — fully accessible to Google, ChatGPT, Perplexity, and all AI search engines.

Independent review — we are not affiliated with the dealer.

View original listing at Per4mance Cars Limited →

Looking for a BMW 4 SERIES?

Search 50,000+ cars from UK dealers with our free AI-powered search engine

Search Now — Free

About the Dealer

Per4mance Cars Limited

Monks' Heath, Macclesfield SK10 4SZ