315/40 R21 Tyre Price - From R6 537

315/40 R21 tyre prices in South Africa currently start from R6 537 at Tip Top Tyres. Premium brands can cost more, so compare the table above by brand, retailer, and fitment inclusion before you buy.

The cheapest 315/40 R21 tyres start at R6 537 from Tip Top Tyres. 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.

Always check your vehicle's door jamb sticker or owner's manual for the correct tyre size. Many 315/40 R21-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 SA fitment centres costs R180–R300 per tyre, including balancing. Wheel alignment is usually a separate R350–R650 charge. Some online retailers arrange fitment at a partner workshop when you order. Visit our city hubs (Cape Town, Johannesburg, Pretoria, Durban, Gqeberha and others) for the retailers serving your area.

Yes — these are the same size. The space before the R is just a formatting convention. Both refer to a 315mm wide tyre with a 40% sidewall profile fitted to a 21-inch rim.