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

2015 Audi TT 2.0 TFSI S line S Tronic quattro Euro 6 (s/s) 3dr
£16,999

2015 Audi TT 2.0 TFSI S line S Tronic quattro Euro 6 (s/s) 3dr

Bishop's Stortford, Hertfordshire
29,000 mi
Other
Automatic

METICULOUSLY MAINTAINED BY PREVIOUS KEEPER+STAGE 1 REMAP BY R TECH PERFORMANCE+VIRTUAL DASH WITH UPGRADED NAVIGATION INCLUDING SPEED WARNINGS+SUPER SPORT ROCK GREY LEATHER HEATED SEATS+LUMBAR SUPPORT+

2019 BMW 1 Series 3.0 M140i Shadow Edition Auto 5dr
£24,999

2019 BMW 1 Series 3.0 M140i Shadow Edition Auto 5dr

Kidderminster, Worcestershire
53,500 mi
Other
Other

Stage 2 ECU Remap: Upgraded engine calibration delivering enhanced performance and throttle response., OZ Racing Alloy Wheels: Premium aftermarket alloy wheels enhancing the vehicle's sporting appeara

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.