Modified Cars for Sale in the UK

The UK's dedicated marketplace for modified, tuned, and performance cars. No standard stock — just cars that deserve attention.

Modified only

No standard stock. Every car on Madlows has been worked on.

Checked by hand

Every listing is reviewed before it goes live.

Direct to the seller

Talk to the owner or the dealer, no middleman.

Recent Listings

2021 AUDI RSQ8
£66,995

2021 AUDI RSQ8

Elland, West Yorkshire
47,000 mi
Petrol
Automatic

This car has also been tastefully modified with a Maxton Design kit including front splitter, side skirts, rear diffuser, side spats and upper and lower spoiler lips. Along with Stage 1 ECU & downpipe

2021 Porsche 718 Cayman
£74,990

2021 Porsche 718 Cayman

Chester le Street, Durham
25,596 mi
Other
Automatic

This 2021 Porsche 718 Cayman GT4 offers an exceptional driving experience, boasting a powerful 4.0L Euro 6 petrol engine. Finished in a striking colour scheme, this GT4 variant features Racing Yellow

Modified Cars for Sale

Madlows is a dedicated UK marketplace for modified and performance cars. Whether you're searching for a Stage 2 Golf GTI, a big-turbo BMW M140i, a track-ready Focus ST or a fully built show car, you'll find enthusiast-owned vehicles from across the country.

Unlike general car sites, Madlows focuses exclusively on modified cars for sale in the UK. That means no standard stock vehicles or dealership filler — just tuned, upgraded and performance-focused cars listed by real owners.

Performance and Tuned Cars Across the UK

From Stage 2 daily drivers to full Stage 3 track builds, Madlows lists the kind of cars you won't find elsewhere. Browse project cars that are ready for your next build, or pick up a turn-key performance machine.

Sell Your Modified Car

Got something special in the garage? Sell your modified car for free on Madlows. Your listing goes out to a focused audience of enthusiasts who actually care about what you've built — not tyre-kickers browsing mainstream sites.

Want more visibility? Upgrade to a Featured Listing to appear at the top of search results and reach more serious buyers.

Ready to sell your modified car?

Madlows is built for one thing: modified cars. Your listing goes in front of people who came here specifically to find them.