255/40R18Tyres

The cheapest 255/40 R18 tyres start at R1 384 from TyreWide. Most online retailers in SA — including The Tyre Mall, Errol's Tyres, and TyreWide — ship nationwide. Use the comparison table above to see all current prices and click through to the retailer of your choice.

255/40 R18 tyres in SA range from around R1 384 for budget brands like GT Radial up to roughly R3 460 for premium brands like Michelin or Continental. Prices vary based on brand, performance rating, and whether fitment is included.

Always check your vehicle's door jamb sticker or owner's manual for the correct tyre size. Many 255/40 R18-fitted vehicles can also fit a small list of approved alternative sizes — these are listed on each vehicle page on TyreCompare.

Tyre fitting at most Cape Town fitment centres costs R200–R300 per tyre, including balancing. Some online retailers arrange fitment at a partner workshop when you order. See our /cape-town/tyres page for a full list of CT-based options.

Yes — these are the same size. The space before the R is just a formatting convention. Both refer to a 255mm wide tyre with a 40% sidewall profile fitted to a 18-inch rim.