To buy Tesla tyres at a cheap price, start by comparing Tesla tyres prices across various online retailers and marketplaces. Websites like Tyre Rack, Discount Tyre, and Amazon often offer competitive prices and seasonal discounts. Check for promotions, sales events, and coupon codes that can further reduce costs. Additionally, consider purchasing slightly used tyres from reputable sellers on platforms like eBay or local classified ads, as they can offer significant savings. It's also wise to join Tesla owner forums and social media groups where members frequently share deals and recommendations on where to find the best Tesla tyres prices.