Motorwatch - car price tracker
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Motorwatch - car price tracker

Tracks car prices and MOT history across 7 UK sites, with no sign-up needed.

★★★★★ 4.8 75 reviews 7K+ users · Shopping
Limited site access

What it does

Permissions and access

Taken from the extension's own manifest file inside the package. The store listing does not spell this out, so it is worth reading before you install.

Can act on autotrader.co.uk, heycar.com, marketplace.autoexpress.co.uk, motorcyclenews.com, quotes.carwow.co.uk, www.autotrader.co.uk, www.cinch.co.uk, www.gumtree.com, www.heycar.com, www.motors.co.uk, www.motorwatch.co.uk, www.pistonheads.com
PermissionWhat it allows
storageStore its own settings and data

Requests 1 permission — extensions doing the same job average 6.7.

Technical details

Version1.0.0
Download size153 KB
PlatformManifest V3
InterfaceToolbar popup
Interface languages Not translated

Description

Motorwatch is a free browser extension designed for anyone shopping for a vehicle in the UK. It automatically tracks both the price and MOT history of cars, vans, and bikes across seven major online marketplaces, including AutoTrader UK, Carwow, and Cinch. This breadth of coverage means you can monitor listings on the most popular platforms without switching between tools. On AutoTrader, the extension works with a wide range of vehicle types, from everyday cars and vans to motorhomes and farm equipment, making it useful for both personal and commercial buyers.

Key Features

  • Price and MOT tracking on seven UK sites: Motorwatch integrates with AutoTrader UK, Carwow, Cinch, and four other marketplaces, automatically displaying historical price data and MOT records directly on each listing. This saves you from manually checking multiple websites or keeping your own notes.
  • No sign-up required: You can start using Motorwatch immediately after installation. There is no account creation, no email verification, and no personal data collected. The extension also does not require Chrome Sync, so your browsing history remains private.
  • Note tagging for organisation: Keep track of your research by adding custom tags to any listing. For example, you can mark a car as “shortlisted,” “called the dealer,” or “viewed in person.” This helps you manage multiple vehicles and remember where you are in the buying process.
  • MOT checker with anomaly detection: The extension flags suspicious mileage discrepancies or date changes in the MOT history that might indicate tampering or odometer rollback. It also highlights recurring faults, such as tyres failing multiple times, which could point to a deeper issue like a suspension problem. This gives you concrete questions to ask the seller before committing.
  • Direct link to official MOT certificate: Each MOT record includes a direct link to the DVLA’s official certificate, so you can verify the details yourself without searching government websites.
  • Suggested negotiation points: Based on the car’s price history and MOT records, Motorwatch generates specific talking points you can use during price negotiations. For instance, if the price has been reduced several times, you can use that as leverage.
  • Real-time price changes on listings: The extension displays percentage and absolute price changes right on the listing page. You can see if a seller has cut the price before you even click into the ad, giving you an advantage when haggling.
  • User-contributed prices with regular verification: Prices are added by other users of the extension and are regularly checked by the team, ensuring the data you see is current and accurate, not a one-time snapshot.
  • Continuous improvement: The extension was recently rebuilt from scratch, and new features are added regularly. The developers actively seek feedback and address issues reported via the Web Store, their website, or Discord.

Motorwatch has already tracked over 30 million vehicle prices, demonstrating its reliability and popularity among UK car buyers. Whether you are a first-time buyer or a seasoned negotiator, this tool provides the data you need to make informed decisions and save money.

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Store data last checked August 14, 2026.