×
15% OFF All Season Tyres
T&Cs apply
choose our fully fitted service
2,200+ local fitting partners

Buy 21 Inch Tyres Online

Save up to 15% off today on All Season tyres

Today save 15% OFF the price of selected All Season tyres. Use promotion code SAVE15 at the basket.

Blackcircles.com is named best site

Join our newsletter be the first to know

Sign up to our newsletter and be first to know when our exclusive offers go live this Black Friday!

Join our newsletter

Tyre Guarantee on all tyre brands

For £10.99 per tyre our Tyre Guarantee covers accidental damage, punctures and bulges. T&Cs apply.

Tyre Guarantee

Looking for 21-inch tyres?

Blackcircles.com stocks an extensive assortment of tyres featuring a rim size of 21 inches.

21 Inch Tyres

The market for 21-inch tyres is often linked with luxury and advanced performance, making them a preferred choice for numerous prestigious vehicle manufacturers. Regardless of whether one is seeking cost-effective solutions, reliable mid-range products, or the pinnacle of high-performance tyres, our comprehensive range of 21-inch tyres is designed to cater to a variety of specific requirements.

Several luxury car models are routinely fitted with 21-inch tyres, underscoring their popularity among discerning motorists. Notable examples include the Porsche Cayenne, Range Rover Sport, Tesla Model X, and Audi Q7. These vehicles often utilise 21-inch tyres to enhance both performance and aesthetic allure.

21 Inch Tread Patterns and Compounds

Each tyre model available through our website is the culmination of extensive engineering, aimed at meeting exacting performance criteria. Tread patterns are meticulously designed to perform optimally under a broad spectrum of conditions, including maintaining superior grip on dry roads and facilitating effective water dispersal in wet conditions, as commonly experienced in the UK. It is advisable for consumers to select tyres whose characteristics align with their driving habits and the environments they typically encounter.

Popular Tyre Sizes with a 21" Rim Size

Popular car models for 21" tyres


The 21” tyre is a popular choice amongst car manufacturers for its versatile size and relative affordability.

Find tyres for the most popular car manufacturers

Audi Q7

Embrace the luxurious and versatile driving experience of the Audi Q7.


  • // Spacious interior with premium features
  • // Advanced safety and technology systems
  • // Dynamic performance and smooth handling
  • // Most popular size ordered - 285/40 R21
Audi Q7

Porsche Cayenne

Experience unmatched sportiness combined with the luxury of Porsche Cayenne.


  • // Impressive power and acceleration
  • // Luxurious and comfortable interior
  • // Cutting-edge technology and infotainment system
  • // Most popular size ordered - 295/35 R21
Porsche Cayenne

BMW X3

Discover the perfect balance of luxury and off-road capability in the BMW X3.


  • // Robust engine performance with agile handling
  • // Premium interior with advanced features
  • // Innovative technology and connectivity
  • // Most popular size ordered - 275/35 R21
BMW X3

Land Rover Range Rover

Conquer any terrain in style with the iconic Land Rover Range Rover.


  • // Unmatched off-road capabilities
  • // Luxurious and spacious interior
  • // State-of-the-art safety and driving features
  • // Most popular size ordered - 275/45 R21
Land Rover Range Rover

Frequently Asked Questions about 21-inch Tyres

What are the benefits of choosing 21-inch tyres for my vehicle?

21-inch tyres are often associated with enhanced vehicle aesthetics, providing a more commanding and robust look. They can also offer improved handling and cornering stability due to a wider contact area with the road. However, it's essential to consider that while they can enhance performance and style, they may also lead to a firmer ride and potentially reduced fuel efficiency due to increased rolling resistance.

How does the size of a tyre, like a 21-inch tyre, impact vehicle performance?

The size of a tyre can significantly affect vehicle performance in various ways. Larger tyres like 21-inch options can improve grip and stability, especially in high-performance or luxury vehicles. However, they can also impact the fuel economy and speedometer accuracy if they're not standard for the vehicle. It's crucial to recalibrate your vehicle's systems if you change tyre sizes to ensure accurate readings and optimal performance.

What types of vehicles are best suited for 21-inch tyres?

Vehicles best suited for 21-inch tyres typically include high-performance sports cars, luxury sedans, and some SUVs. These vehicles are designed to accommodate larger tyres for both performance and aesthetic purposes. However, it's always recommended to consult the vehicle's manual or a professional to ensure that 21-inch tyres are a suitable choice for your specific model and make.

How do I choose the right 21-inch tyres for my driving conditions?

Choosing the right 21-inch tyres involves considering your typical driving conditions and priorities. For instance, if you often drive in wet conditions, look for tyres with excellent water displacement capabilities and grip. For primarily city or highway driving, focus on tyres that offer a comfortable ride and low noise levels. Always consider the tyre's performance characteristics, including handling, braking distance, and durability, when making your selection.

What are the maintenance requirements for 21-inch tyres?

Maintaining 21-inch tyres involves regular checks and routine care. Ensure they are always inflated to the manufacturer's recommended tyre pressure to prevent uneven wear and maintain fuel efficiency. Regularly inspect tyres for signs of wear or damage, and have them rotated every 5,000 to 8,000 miles to promote even tyre wear. It's also advisable to have your wheel alignment checked periodically, especially if you notice any irregular tyre wear or steering issues.

Can I switch from 20-inch to 21-inch tyres without modifying my vehicle?

It is not always possible. Switching from 20-inch tyres to 21-inch tyres typically requires careful consideration of several vehicle factors to ensure compatibility. You'll need to verify that the larger tyres can fit within the wheel arches without rubbing against the suspension or bodywork during turns or over bumps. Additionally, the change may necessitate recalibration of the speedometer and odometer, as the tyre's circumference will alter these readings. Always consult with a tyre professional or your vehicle's manufacturer to understand the implications on handling, suspension setup, and overall vehicle performance.

What considerations are there for changing from 21-inch to 22-inch tyres?

Upgrading from 21-inch to 22-inch tyres involves several important considerations to ensure the change benefits your vehicle without adverse effects. The increased tyre size can affect speedometer accuracy, fuel economy, and ride comfort. It's crucial to check that the larger tyres won't interfere with your vehicle's wheel wells or suspension components. Adjustments to the vehicle's suspension system may be required to accommodate the larger tyres and maintain optimal ride quality. Consulting with a professional is essential to ensure these changes do not compromise vehicle safety or performance.

Blackcircles.com News

Company News and Industry Comment

Blackcircles.com Latest Tyre News & Information

In the Blackcircles.com news section, you can find the latest information from the world of tyres - covering product launches, interesting facts, help & advice and much more. Whether it's how to prepare your car for its next MOT or news of the latest tyre to launch into the market - our news section will keep you up to date with the latest stories from the tyre and motoring industries. Read the latest tyre news

PayPal
Representative Example: Purchase rate: 23.9% p.a. (variable). Representative: 23.9% APR (variable). Assumed Credit Limit: £1,200

PayPal Credit and PayPal Pay in 3 are trading names of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH. Terms and conditions apply. Credit subject to status and approval, 18+ UK residents only. PayPal Credit and PayPal Pay in 3 are a form of credit, so carefully consider whether the purchase is affordable and how you will make the repayments. PayPal Pay in 3 is not regulated by the FCA. See product terms for more details and FAQs. Learn more about PayPal Credit.  Learn more about PayPal Pay in 3.