2021 BMW 3 SERIES — £174,995 Listing Review

Reviewed by Car-Search.ai | 25 April 2026 | Gayton Rd, Northampton
£174,995
15,373 miles | Diesel | Automatic | Saloon
Listing Quality
85/100
Good
vs Market Average
+552%
Above Market
Value Retention
45/100
Moderate Depreciation
Our Verdict
85 /100

This 2021 BMW 3 SERIES is listed at £174,995 by Hampton Car Sales in Gayton Rd. It has 15,373 miles on the clock. At 552% above the market average of £26,845, this is priced on the higher side compared to 28 similar listings. Our depreciation analysis shows this vehicle is losing approximately £2,339/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 Black
Fuel Type Diesel
Gearbox Automatic
Mileage 15,373 miles
Engine 2L
Seats 5
CO2 176 g/km
Euro Status Euro 6
ULEZ Compliant Compliant
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
this vehicle offers peace of mind for the discerning buyer.
All Features & Equipment (119)
this vehicle offers peace of mind for the discerning buyer.Top 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)176NOx (mg/km)0Standard Euro emissionsEuro 6Ultra Low Emission ZoneCompliantAir 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 BlackDeletion Lumbar Support-Width Adjustment Passenger SideDoor 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 Backrest Width AdjustmentSeat 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 HeightSteering Wheel - Gearshift PaddlesSun Visors with Vanity Mirrors and Ticket HolderTool 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 Designation on Front Side Panel - Left and RightM Rear SpoilerM Sport Exterior StylingModel 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 - RearCrash 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 weightkgMax towing weight (braked)kgMax towing weight (unbraked)kgTurning circle (kerb to kerb) metresMax roof loadkgMinimum kerb weight1735 kg
Above MarketListed at £174,995 vs market average of £26,845 (+552%)
Market Low
£19,999
Market Average
£26,845
Market High
£37,391
Comparables
28 listings

Based on 28 comparable BMW 3 SERIES listings.

Age Depreciation
Slow Depreciation
£1,424/year
Mileage Impact
Slow Depreciation
£458/5k mi
Combined (10k mi/yr)
Moderate Depreciation
£2,339/yr
This Vehicle vs Model
Age-predicted: £22,425 (+£152,570)
Mileage-predicted: £25,934 (+£149,061)
Scenarios: 5k mi/yr £-1,882/yr | 10k mi/yr £-2,339/yr | 15k mi/yr £-2,797/yr

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

85
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?
25/25Good
Photos
55 photos
10/10
Features & key selling points
119 listed
8/8
Technical specifications
20 specs provided (incl. 12 extended)
7/7
Competitiveness
How well does this listing compete against similar vehicles for buyer attention?
21/25Good
Clear pricing
£174,995
8/8
Monthly payment shown
Not shown
0/4
Visual presentation
55 photos
5/5
Key selling points
119 features highlighted
4/4
Detailed specifications
20 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
98% of 108 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?
17/25Average
Schema.org Vehicle markup
Vehicle/Car structured data found
6/6
Static HTML content
Some static content but may require JS for full data
2/5
Semantic HTML structure
Spec data in structured elements
3/4
Content depth
9416 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 Hampton Car Sales →

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About the Dealer

Hampton Car Sales

Gayton Rd, Northampton NN7 3AB