2023 BMW 4 Series
420i M Sport Convertible · Petrol · Automatic · Blue
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6.6% above catalogue typical · Price only — facts unverified
drive-away price, no admin fees
~7% above typical
Limited broad comparison · same-model asking-price middle range £27,333–£30,972
Broader same-model evidence — not the same variant: 22 live cars from 10 independent sellers. Estimate based on current advertised catalogue prices, not completed sale prices; it may change as listings update.
Listed 29 Jul 2026 · source updated 29 Jul 2026 · dealer seller
LISTING OVERVIEW · check details with the seller
Seller information: “Experience the perfect blend of style, performance and innovation with the BMW 4 Series 2.0 420i M Sport Convertible. Finished in striking Portimao Blue, this vehicle commands attention whether cruising through city streets or exploring open roads. Its sleek, aerodynamic design is complemented by 19-inch M Double Spoke Style 797 Bi-Colour Jet Black alloy wheels, equipped with mixed tyres for optimal grip and agility. Step inside to discover the luxury of Vernasca Leather upholstery in Black with subtle Grey stitching, offering both comfort and sophistication. The M Sport package enhances not only the aesthetics but also the driving dynamics, featuring M Sport brakes with eye-catching red calipers and M Sport suspension for sharper handling and a more responsive ride. Technology takes centre stage with BMW Live Cockpit Professional, delivering a fully digital instrument cluster and a high-resolution central display that seamlessly integrate navigation, entertainment and vehicle information. The 2.0-litre petrol engine, paired with an automatic gearbox, provides 184 PS of smooth power with Euro 6 emissions compliance and a stop/start system for improved efficiency. Whether you’re enjoying the open air with the convertible roof down or appreciating refined details inside, this BMW 420i M Sport Convertible represents a harmonious balance between luxury and exhilarating performance. Elevate your driving experience—test drive this exceptional model today and see why the BMW 4 Series continues to lead its class.”. Seller claims are never treated as verified.
Technical data
Vehicle specifications
Engine and drivetrain
- Transmission
- Automatic
Technical data can vary by derivative and optional equipment. Confirm the exact vehicle specification before purchase.
Official record
DVLA: awaiting verification · DVSA MOT history · free- DVSAClaimed
Mileage
Odometer readings are not consistent — investigate before buying
- DVSANot checked
Mot History
MOT history not yet confirmed with DVSA
- DVLANot checked
Registration
Registration not yet confirmed with DVLA
This car at a glance— sources and estimates labelled
AI-written · summarised, not judged2023 BMW 4 Series — a source-labelled summary of the available record.
- estimatedHigh price: about £1,938 above current comparable asking prices in our catalogue.
- estimatedRunning costs require a verified vehicle check.
Not verified by this summary
- Not yet matched against DVLA — treat registration details as unconfirmed.
- Condition, photos and the seller's description are not independently verified.
- Running costs such as insurance and servicing are estimates, not quotes.
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True cost of ownership
- Road tax (VED)
- Check required
- Insurance group
- Check required
- ULEZ / CAZ
- Check required
- Dealer admin fee
- None
Price history
Listed 0 days ago at £31,450, no changes since.
On the market 0 days.
Seen on 1 site
- Group 1 Chelmsford BMW£31,450
Seller reviews
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