Tyre Pressure Guide: Safety, Performance & Fuel Efficiency

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For most cars, the correct tyre pressure is typically between 30 and 35 PSI, though this varies by vehicle.

Your tyres are the only point of contact between your vehicle and the road, so maintaining the correct pressure is essential for safety, handling, and fuel efficiency. Incorrect pressure can lead to reduced grip, uneven tyre wear, and increased fuel consumption.

This guide explains why tyre pressure matters, how to check it, and how to keep it at the correct level.

Understanding tyre pressure is essential to maintaining safety, performance, and fuel efficiency.

Learn how tyre load ratings affect pressure and performance in our tyre load rating guide >

Read our tyre size guide to understand how tyre size affects pressure recommendations.

The correct tyre pressure for your vehicle is set by the manufacturer and can be found in several places:

• Driver’s Door Jamb: Most vehicles have a sticker inside the driver’s door showing the recommended pressure for the front and rear tyres.
• Owner’s Manual: Your vehicle handbook provides the correct pressure and may include guidance for different loads or driving conditions.
• Fuel Filler Cap: Some vehicles display pressure information inside the fuel filler door.
• Digital Display: Many modern vehicles show pressure on the onboard display or via a monitoring system (TPMS).

Always follow your vehicle manufacturer’s recommended pressure rather than the maximum pressure listed on the tyre sidewall.

Different Load Conditions: If you’re carrying heavy loads or towing, your vehicle may need higher pressure. Always consult your owner’s manual for guidance.

• Check Your Spare Tyre: Spare tyres can lose pressure over time, so check them regularly.
• Don’t Rely Only on TPMS: Many vehicles have a Monitoring System (TPMS), but it may not detect small pressure changes. Regular manual checks are still recommended.
• Avoid Overinflation: Never exceed the maximum pressure listed on the tyre sidewall, as this can reduce grip and increase wear.

Maintaining the correct pressure is one of the simplest ways to improve safety, performance, and fuel efficiency. Regular checks help you get the most from your tyres and avoid unnecessary costs.

What should my tyre pressure be?
Most cars require a pressure between 30 and 35 PSI, though this varies by vehicle. Always check your manufacturer’s recommended pressure, usually found on a sticker inside the driver’s door or in the owner’s manual.

How do I check my tyre pressure?
You can check with a pressure gauge at home or at a petrol station. For the most accurate reading, check the tyres when they are cold and compare the PSI to your vehicle’s recommended levels.

When should I check tyre pressure?
Tyres should be checked at least once a month and before long journeys. Regular checks help maintain safety, improve fuel efficiency, and reduce tyre wear.

Can I drive with low tyre pressure?
Driving with low pressure is not recommended, as it can reduce grip, increase braking distance, and increase the risk of a blowout. It also causes uneven tyre wear and higher fuel consumption.

Is the tyre pressure on the tyre sidewall correct?
No, the pressure shown on the tyre sidewall is the maximum pressure, not the recommended level. Always follow your vehicle manufacturer’s recommended pressure.

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