2021 BMW 4 Series
420i M Sport Convertible · Petrol · Automatic · Black
Use your browser location to show the real distance to each car. It stays on this device.
3.7% above catalogue typical · Price only — facts unverified
drive-away price, no admin fees
~4% above typical
Limited broad comparison · same-model asking-price middle range £21,850–£29,999
Broader same-model evidence — not the same variant: 27 live cars from 9 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: “Discover the epitome of driving exhilaration with the BMW 4 Series 2.0 420i M Sport Convertible. Finished in a striking Black Sapphire, this vehicle embodies refined elegance combined with dynamic performance. The Vernasca Leather upholstery in black, perfectly complemented by subtle grey stitching, elevates the interior to a new standard of luxury and craftsmanship. Under the bonnet, the 2.0-litre petrol engine delivers 184 brake horsepower paired with an automatic transmission and Euro 6 compliant technology, ensuring efficient yet thrilling drives. The M Sport Suspension enhances handling and stability, allowing you to experience precision and agility on every journey, whether cruising through open roads or city centres. Step inside to the BMW Live Cockpit Professional, a fully digital display that seamlessly integrates navigation, entertainment, and vehicle information in crisp, intuitive detail. The BMW Connected Package Professional keeps you effortlessly linked to your digital world, with features designed to enhance convenience and connectivity at every turn. Adaptive LED headlights not only offer superior visibility but also adjust intelligently to road conditions, raising safety standards while adding a sleek, modern aesthetic. This 2-door convertible not only promises an engaging drive but delivers the freedom to enjoy open-air motoring with style and comfort. Ideal for enthusiasts who demand both performance and sophistication, the BMW 4 Series 420i M Sport Convertible is a statement of exceptional design, innovative technology, and pure driving pleasure. Experience it for yourself — a car built to impress, perform, and inspire. Arrange a test drive today and take your driving to the next level.”. 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 judged2021 BMW 4 Series — a source-labelled summary of the available record.
- estimatedFair price: about £999 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.
Run a free vehicle check
This listing's facts are seller-stated. Look up the official DVLA and MOT record yourself — free, no paywall. Finance, theft and write-off only when a provider is connected.
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 £27,798, no changes since.
On the market 0 days.
Seen on 1 site
- Group 1 Chelmsford BMW£27,798
Seller reviews
No reviews yet. Any buyer who contacted this seller through CarMia can leave a verified review — real experiences only, no fakes.


