2021 BMW 3 SERIES — £36,249 Listing Review

Reviewed by Car-Search.ai | 25 April 2026 | Riverside Rd, Watford
£36,249
33,000 miles | Automatic | Saloon
Listing Quality
91/100
Good
vs Market Average
+44%
Above Market
Value Retention
25/100
Steep Depreciation
Our Verdict
91 /100

This 2021 BMW 3 SERIES is listed at £36,249 by Paragon Cars London in Riverside Rd. It has 33,000 miles on the clock. At 44% above the market average of £25,191, this is priced on the higher side compared to 72 similar listings. Our depreciation analysis shows this vehicle is losing approximately £3,625/year in value. The listing quality is good, with adequate photos and specifications provided.

Year 2021
Make BMW
Model 3 SERIES
Body Style Saloon
Colour Grey
Gearbox Automatic
Mileage 33,000 miles
Engine 3L
Seats 5
CO2 177 g/km
Euro Status Euro 6
ULEZ Compliant Compliant
Monthly Payment £559.46/mo
Power 369 BHP
Torque 369 lbs/ft
Top Speed 155 mph
0-60 mph 4.4s
Cylinders 6
Gears 8
Combined MPG 36.7 mpg
Length 4709mm
Width 1827mm
Height 1435mm
Wheelbase 2851mm
Kerb Weight 1735 kg
Highlights
VISIBILITY PACKCOMFORT PACKHARMAN KARDON SURROUND SOUNDTECH PACKHEAD UP DISPLAY
All Features & Equipment (130)
VISIBILITY PACKCOMFORT PACKHARMAN KARDON SURROUND SOUNDTECH PACKHEAD UP DISPLAYComfort Pack £990Enhanced Bluetooth with Wireless Charging £350Extended Storage £190Loudspeaker System - Harman Kardon £820Oxide Grey £1,100Steering Wheel - Heated £170Tanzanite Blue £1,100Technology Package £1,900Visibility Pack £1,500Total value of factory fitted extras £8,120Top speed155 mph0 to 604.4 secondsEngine torque (lbs/ft)369Engine power (BHP)369Combined (mpg)36.7Cylinders - bore (mm)82TransmissionAutomaticNumber of gears8Cylinders - stroke (mm)94CC2,998Cylinders6CO2 (g/km)177Standard Euro emissionsEuro 6Ultra Low Emission ZoneCompliantInterior Trim - Aluminium MesheffectAir Conditioning - Automatic with Three-ZoneAmbient Lighting with Welcome Light CarpetArmrest - Integrated in Door Trim Front and Rear and in Front on the Centre ConsoleArmrest - Rear Centre with Two CupholdersAutomatically Dimming Rear View MirrorBMW Live Cockpit ProfessionalCentral Locking Switch - Doors - Fuel Filler Cap - Luggage CompartmentCentre Console Rear Storage Compartment - Ventilation GrilleCup Holders in Centre Console - Front - 2 Cupholder Inserts with Clamping Elements - Inlay Matt BlackDoor Pockets - Front and RearDoor Sill Finishers - Aluminium Inserts in the Front - Brushed with BMW DesignationFloor Mats - Velour - Front and RearGlove Compartment - Illuminated - With Separate Small CompartmentGrab Handles - Integrated in Roof Lining x4Headlining - AnthraciteInstrument ClusterInstrument Panel in SensatecInterior LightingInterior Trim - Aluminium TetragonLashing Eyes in Luggage Compartment x4Luggage Compartment - LightM Leather Steering WheelPersonal ProfileRain Sensor with Automatic Headlight ActivationRear SeatsSeat Heating for Driver and Front PassengerSplit Folding Rear SeatSport Seats - FrontStart-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 HolderThrough-Loading SystemTool Kit Located in Luggage CompartmentTwo Tone HornWelcome LightWindscreen Wipers - with Integrated Washing Jets19in Alloy Wheels - M Light Double Spoke Style - 792 M - Bicolour Cerium Grey with Mixed Tyres and Runflat TyresAcoustic GlazingBumper System - Front and RearCerium Grey Finish Mirror Caps - Kidney Grilles - Exterior Air Inlets and Model DesignationElectric Windows - Front and RearExterior Mirrors - Electrically Folding with Anti DazzleExterior Parts in Body ColourExterior Trim - High-Gloss ShadowlineHeat Protection Glazing with Green TintM Aerodynamics PackageM Designation on Front Side Panel - Left and RightM Rear SpoilerModel Designation on Tailgate - RightPreparation For High-Beam AssistantRoof Mouldings - Body ColourRun Flat TyresSquare Exhaust Tailpipes - 2xSun Protection GlazingTyres - Reduced Rolling ResistanceActive Guard PlusAirbagsAlarm System - Thatcham 1 with Remote Control and Electronic 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 - RearCondition Based ServiceCrash SensorCruise Control with Brake FunctionDSC - Dynamic Stability Control PlusDrive Performance ControlDriving Experience ModesDynamic Brake LightsElectro Mechanical Parking BrakeFirst Aid Kit and Warning TriangleM Seat BeltsOBC - 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 KeySeat Belt Security Check for Driver and Front PassengerSide Impact ProtectionTPMS - Tyre Pressure Monitoring SystemThree-Point Seat Belts - All SeatsVehicle Key with M-Specific DesignationVisible VINiDrive ControllerHeight1435mmHeight inclusive of roof railsmmLength4709mmWheelbase2851mmWidth1827mmWidth including mirrorsmmLuggage capacity (seats up) litresLuggage capacity (seats down) litresNumber of seats5Gross vehicle weight kgMax loading weightkgTurning circle (kerb to kerb) metresMax roof loadkgMinimum kerb weight1735 kg
Above MarketListed at £36,249 vs market average of £25,191 (+44%)
Market Low
£16,825
Market Average
£25,191
Market High
£37,449
Comparables
72 listings

Based on 72 comparable BMW 3 SERIES listings.

Age Depreciation
Slow Depreciation
£1,424/year
Mileage Impact
Moderate Depreciation
£1,101/5k mi
Combined (10k mi/yr)
Steep Depreciation
£3,625/yr
This Vehicle vs Model
Age-predicted: £22,425 (+£13,824)
Mileage-predicted: £25,163 (+£11,086)
Scenarios: 5k mi/yr £-2,525/yr | 10k mi/yr £-3,625/yr | 15k mi/yr £-4,726/yr

Based on 429 comparable listings. Slopes from smoothed depreciation curves.

91
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?
24/25Good
Photos
66 photos
10/10
Features & key selling points
135 listed
8/8
Technical specifications
19 specs provided (incl. 12 extended)
6/7
Competitiveness
How well does this listing compete against similar vehicles for buyer attention?
25/25Good
Clear pricing
£36,249
8/8
Monthly payment shown
£559.46/mo
4/4
Visual presentation
66 photos
5/5
Key selling points
135 features highlighted
4/4
Detailed specifications
19 specs provided
4/4
SEO Quality
Analysed from the actual dealer listing page HTML
22/25Good
Page title tag
BMW 3 Series 3.0 M340i Mht Saloon 4dr Petrol Hybri
4/4
Meta description
2021 BMW 3 Series 3.0 M340i Mht Saloon 4dr Petrol ...
4/4
Canonical URL
Present
3/3
Open Graph tags
Missing or incomplete
0/3
Image alt text
97% of 78 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
7842 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 Paragon Cars London →

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About the Dealer

Paragon Cars London

Riverside Rd, Watford WD19 4HY