2023 BMW 4 Series
420i M Sport Convertible · Petrol · Automatic · Blue
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12.0% above catalogue typical · Price only — facts unverified
drive-away price, no admin fees
~12% above typical
Limited broad comparison · same-model asking-price middle range £28,409–£30,499
Broader same-model evidence — not the same variant: 19 live cars from 7 independent sellers. Estimate based on current advertised catalogue prices, not completed sale prices; it may change as listings update.
Listed 18 Aug 2026 · source updated 18 Aug 2026 · dealer seller
LISTING OVERVIEW · check details with the seller
Seller information: “Discover the perfect blend of sporty performance and refined luxury with the BMW 4 Series 420i M Sport Convertible, presented here in the striking Portimao Blue. This model is designed to captivate, combining dynamic driving experience with sophisticated style that turns heads wherever you go. Step inside and appreciate the meticulously crafted interior, featuring premium Vernaupholstery in black accented with grey contrast stitching. The M Sport Package enhances both aesthetics and agility, delivering sharper handling and a more engaging drive. Heated front seats ensure comfort during cooler days, allowing you to enjoy every journey in warmth and style. Parking is effortless with the advanced Parking Assistant, providing confidence even in the tightest spots. The widescreen display puts all your driving essentials, navigation, and entertainment conveniently at your fingertips, offering intuitive control and connectivity. Under the bonnet, the 420i engine delivers responsive performance and efficient driving dynamics that perfectly suit urban and open-road adventures alike. Whether you’re cruising through city streets or enjoying the thrill of open air motoring with the roof down, this convertible offers sophistication and exhilaration in equal measure. With BMW’s renowned build quality and attention to detail, the 4 Series 420i M Sport Convertible is more than just a car; it’s a statement of style, performance, and driving pleasure. Experience the ultimate in sporty elegance — arrange your test drive today and elevate your journey.”. 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 £3,496 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 £32,545, no changes since.
On the market 0 days.
Seen on 1 site
- Group 1 Borehamwood BMW£32,545
Seller reviews
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