2021 Audi A4 2L S Line 4dr — £23,995 Listing Review

Reviewed by Car-Search.ai | 19 April 2026 | Castlereagh, Belfast
£23,995
24,633 miles | Diesel | Automatic | Saloon
Listing Quality
50/100
Average
vs Market Average
+20%
Above Market
Value Retention
90/100
Slight Appreciation
Our Verdict
50 /100

This 2021 Audi A4 2L S Line 4dr is listed at £23,995 by Crawford Clarke Cars in Castlereagh. It has 24,633 miles on the clock. At 20% above the market average of £19,971, this is priced on the higher side compared to 20 similar listings. Our depreciation analysis shows this vehicle is gaining approximately £351/year in value. The listing quality is average — it could benefit from more photos or detailed specifications.

Year 2021
Make Audi
Model A4
Trim 2L S Line 4dr
Body Style Saloon
Colour Blue
Fuel Type Diesel
Gearbox Automatic
Mileage 24,633 miles
Engine 2L
Doors 4
Seats 5
CO2 137 g/km
Euro Status Euro 6
ULEZ Compliant Yes
Road Tax £195/yr
Monthly Payment £451.84/mo
Highlights
Speedo and Rev Counter - Electronic OdomRoof Rails - Black17in Alloy Wheels - ClaytonInstrument Lighting - White Adjustable PAudi Drive Select
All Features & Equipment (73)
Speedo and Rev Counter - Electronic OdomRoof Rails - Black17in Alloy Wheels - ClaytonInstrument Lighting - White Adjustable PAudi Drive Select19in Alloy Wheels - 8.5J 5-Arm Torsio Design2 USB Charging Ports3-spoke Leather High Multi-function Sport Steering Wheel with Grips in Perforated Leather with S Badging4-Way Electric Lumbar Support6-Airbag System8 Passive LoudspeakersAnti Theft Locking Wheel BoltsAnti-Theft AlarmAudi Connect Infotainment Services (36 Month Subscription From New)Audi Connect with Amazon Alexa IntegrationAudi Smartphone InterfaceAudi Virtual CockpitAuto-Dimming Rear-View MirrorAutomatic Start-Stop with Coasting Functionality and Efficiency ProgrammeBluetooth InterfaceBody Coloured Door MirrorsBody Coloured Side Sill TrimsCloth Headlining in BlackContrast Stitching on Seats - Steering Wheel and Gear-Lever GaiterCruise Control System with Speed LimiterDAB Digital Radio ReceptionDeluxe 3-Zone Electronic Climate ControlDoor Handles - Body ColouredDoor Mirrors - Folding with Auto-DimmingElectric Boot Lid ReleaseElectric Windows - FrontElectromechanical Power SteeringEmail - Calendar and Text Messages can be Displayed on your Vehicles MMIESC - Electronic Stabilisation Control inc ABS - ASR and EDLFirst Aid Kit and Warning TriangleFront Centre ArmrestFront Spoiler Lip in Body ColourFront Sports SeatsGear-lever Knob in Black Perforated LeatherHeadlights - High-Beam AssistHeated Front SeatsHigh Gloss PackageHill Hold AssistIlluminated Door Sill Trims with S LogoInlays - Matt Brushed AluminiumISOFIX Child Seat Mounting and Top TetherKeyless GoLED Headlights with LED Rear Lights and Dynamic Rear IndicatorsLED Interior Lighting PackLight and Rain SensorManual Seat AdjustmentMMI Navigation Plus including MMI TouchMulti Collision Brake AssistParking System Plus - Front and Rear SensorsPedals and Footrest - Stainless SteelPop-Up Bonnet for Pedestrian ProtectionPre-Sense CityPrivacy GlassRadiator Grille with Honeycomb Structure in Grained Matt BlackRear-View CameraS Line Badges on Front WingsS line Front and Rear Bumpers and Side SkirtsS Line Rear Diffuser in Matt Titanium Black with Trim Strip in Matt Aluminium SilverSeat Belt MonitoringSide Air Inlets in Grained Matt Black with Inlay in Matt Aluminium SilverSplit-Folding Rear Seat Bench in 3 Parts - 40-20-40 with Rear Centre ArmrestSport SuspensionSteering Wheel - Gear Shift PaddlesTailpipe Trims in Matt Aluminium SilverTool KitTyre Repair KitVoice ControlWindscreen with Acoustic Glazing
Above MarketListed at £23,995 vs market average of £19,971 (+20%)
Market Low
£15,795
Market Average
£19,971
Market High
£27,000
Comparables
20 listings

Based on 20 comparable Audi A4 listings.

Age Depreciation
Slow Depreciation
£647/year
Mileage Impact
Strong Appreciation
£499/5k mi
Combined (10k mi/yr)
Slight Appreciation
£351/yr
This Vehicle vs Model
Age-predicted: £18,236 (+£5,759)
Mileage-predicted: £20,597 (+£3,398)
Scenarios: 5k mi/yr £-148/yr | 10k mi/yr £351/yr | 15k mi/yr £850/yr

Based on 191 comparable listings. Slopes from smoothed depreciation curves.

50
Overall Listing Quality
Average — some areas could be improved.
Information & Buyer Appeal
Does this listing give buyers enough information to make a decision?
25/25Good
Photos
27 photos
10/10
Features & key selling points
74 listed
8/8
Technical specifications
9 specs provided
7/7
Competitiveness
How well does this listing compete against similar vehicles for buyer attention?
25/25Good
Clear pricing
£23,995
8/8
Monthly payment shown
£451.84/mo
4/4
Visual presentation
27 photos
5/5
Key selling points
74 features highlighted
4/4
Detailed specifications
9 specs provided
4/4
SEO Quality
Page HTML not captured — scores are estimated
0/25Poor
Page HTML
Not captured — cannot analyze
0/25
AI Discoverability
How findable is this listing by ChatGPT, Perplexity, Gemini, and other AI search engines?
0/25Poor
Page HTML
Not captured — cannot analyze
0/25
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 Crawford Clarke Cars →

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About the Dealer

Crawford Clarke Cars

Castlereagh, Belfast BT5 6QE