1990 Porsche 911 Recommended Tire Pressure

1990 Porsche 911 tire pressure chart with recommended tire pressure for settings for 1990 Porsche 911 tires to improve fuel efficiency, extend tire life and drive safely.

Recommended tire pressure for 1990 Porsche 911 typically ranges around 36 psi for front tires and 36 to 44 psi for rear tires. Select your trim to see its original equipment tire sizes and recommended tire pressure.

1990 Porsche 911 Carrera 2 Tire Pressure

Recommended tire pressure for 1990 Porsche 911 Carrera 2 tires with 2 original equipment tire size sets.

Front Tire Size 205/55R16
Recommended Front Tire Pressure 36 psi (2.5 bar or 248 kPa)
Tire Size Type Metric
Tire Load Index
Tire Load Capacity
Tire Speed Rating
Maximum Tire Speed
Tire Load Range SL (Standard Load)
Maximum Load Tire Pressure 36 psi
Rear Tire Size 225/50R16
Recommended Rear Tire Pressure 44 psi (3 bar or 303 kPa)
Tire Size Type Metric
Tire Load Index
Tire Load Capacity
Tire Speed Rating
Maximum Tire Speed
Tire Load Range SL (Standard Load)
Maximum Load Tire Pressure 45 psi @ lbs
Front Tire Size 205/50R17
Recommended Front Tire Pressure 36 psi (2.5 bar or 248 kPa)
Tire Size Type Metric
Tire Load Index
Tire Load Capacity
Tire Speed Rating
Maximum Tire Speed
Tire Load Range SL (Standard Load)
Maximum Load Tire Pressure 36 psi
Rear Tire Size 255/40R17
Recommended Rear Tire Pressure 36 psi (2.5 bar or 248 kPa)
Tire Size Type Metric
Tire Load Index
Tire Load Capacity
Tire Speed Rating
Maximum Tire Speed
Tire Load Range SL (Standard Load)
Maximum Load Tire Pressure 36 psi

1990 Porsche 911 Carrera 4 Tire Pressure

Recommended tire pressure for 1990 Porsche 911 Carrera 4 tires with 2 original equipment tire size sets.

Front Tire Size 205/55R16
Recommended Front Tire Pressure 36 psi (2.5 bar or 248 kPa)
Tire Size Type Metric
Tire Load Index
Tire Load Capacity
Tire Speed Rating
Maximum Tire Speed
Tire Load Range SL (Standard Load)
Maximum Load Tire Pressure 36 psi
Rear Tire Size 225/50R16
Recommended Rear Tire Pressure 44 psi (3 bar or 303 kPa)
Tire Size Type Metric
Tire Load Index
Tire Load Capacity
Tire Speed Rating
Maximum Tire Speed
Tire Load Range SL (Standard Load)
Maximum Load Tire Pressure 45 psi @ lbs
Front Tire Size 205/50R17
Recommended Front Tire Pressure 36 psi (2.5 bar or 248 kPa)
Tire Size Type Metric
Tire Load Index
Tire Load Capacity
Tire Speed Rating
Maximum Tire Speed
Tire Load Range SL (Standard Load)
Maximum Load Tire Pressure 36 psi
Rear Tire Size 255/40R17
Recommended Rear Tire Pressure 36 psi (2.5 bar or 248 kPa)
Tire Size Type Metric
Tire Load Index
Tire Load Capacity
Tire Speed Rating
Maximum Tire Speed
Tire Load Range SL (Standard Load)
Maximum Load Tire Pressure 36 psi

Porsche Tire Pressure | Porsche 911 Tire Pressure | 1990 Porsche Tire Pressure

It is vital to maintain proper tire pressure for 1990 Porsche 911 tires. Low tire pressure will result in tire underinflation while high tire pressure will result in tire overinflation, which can decrease fuel efficiency, lead to uneven tire tread wear and reduce tire life, compromise tire safety and cause tire blowout. Check 1990 Porsche 911 tire pressure regularly, and monitor 1990 Porsche 911 tire inflation levels to avoid driving with overinflated or underinflated tires.

Tire inflation value listed on tire sidewall is the maximum air pressure the tire can hold to carry its maximum load, and not the recommended tire pressure for 1990 Porsche 911. Use 1990 Porsche 911 recommended tire pressure settings listed on the tire pressure chart found in 1990 Porsche 911 owner's manual, on a sticker on driver's door or door jam, inner trunk lid, in the console or on the fuel door. Recommended tire pressure for your 1990 Porsche 911 tires will be listed in one of the following pressure units: psi (pounds per square inch), bar or kPa (kiloPascals). Pay attention as your 1990 Porsche 911 may have different recommended tire pressure values for front and rear tires, especially if equipped with staggered tires. Keep your 1990 Porsche 911 tires inflated at recommended tire pressure levels at all times for your driving comfort and safety.

If you replace 1990 Porsche 911 original equipment tires or switch to plus size tires, make sure to follow guidelines for the application of load and inflation tables to find proper tire pressure for your new 1990 Porsche 911 tires. 1990 Porsche 911 tires with the same load index, regardless of tire size, may carry the same load, but may require substantially different inflation pressures. Tire load index may not be used independently to determine replacement tire acceptability for load capacity. An equal or greater load index does not always correspond to equal or greater load capacity at all inflation pressure settings.

Always refer to the 1990 Porsche 911 owner’s manual for any specific safety advice regarding the application of 1990 Porsche 911 replacement tires.

1990 Porsche 911 replacement tires must have equal or greater speed rating compared to the original equipment tires if your 1990 Porsche 911 speed capability is to be maintained. It is recommended that tire installers refer to the 1990 Porsche 911 owner’s manual to identify any tire speed rating restriction or recommendation that could affect the operation of the vehicle. If your 1990 Porsche 911 replacement tires have a lower speed rating than the original equipment tires, your vehicle’s speed must be restricted to that of the replacement tires.

Original equipment tires that come on your 1990 Porsche 911 will have the proper tire load index, so use same or higher load index when choosing replacement tires. Tire load index tells you how much weight your tire can carry. Putting too much weight on your tires will overload them, and can cause premature tire wear, tire damage or even tire blowout. Refer to your 1990 Porsche 911 manual to find its original equipment tire sizes and load ratings.

1990 Porsche 911 tire pressure may fluctuate with ambient temperatures, so check 1990 Porsche 911 tire pressure when ambient temperatures change. In winter when temperatures drop, 1990 Porsche 911 tires may deflate by approximately 1 psi for each 10 degree Fahrenheit decrease in temperature. Maintain proper 1990 Porsche 911 winter tire pressure by adding air to your tires as needed to the recommended tire inflation levels.

1990 Porsche 911 tire pressure should be checked when tires are cold, after your vehicle has not been driven for at least three hours. It is best to check your tire inflation pressure in the morning, after the vehicle has been parked overnight, using a reliable tire pressure gauge.

If your 1990 Porsche 911 is equipped with tire pressure monitoring system (TPMS), pay attention to low tire pressure warning light being on. Ensure 1990 Porsche 911 tire pressure sensors are working properly to stay alert and enjoy a safe ride. If your tire pressure warning light is on, check front and rear tires to make sure they are properly inflated.

What is the recommended tire pressure for 1990 Porsche 911?
Recommended tire pressure for 1990 Porsche 911 is determined by the manufacturer based on your vehicle's characteristics and original equipment tire sizes. Select your 1990 Porsche 911 trim to get recommended tire inflation for 1990 Porsche 911 tires.

How do I find recommended tire pressure settings for 1990 Porsche 911? What is correct 1990 Porsche 911 tire pressure?
You can find your 1990 Porsche 911 recommended tire pressure in 1990 Porsche 911 owner's manual, on a sticker on driver's door or door jam, inner trunk lid, in the console or on the fuel door. Recommended tire pressure for 1990 Porsche 911 will be listed in psi, bar or kPa.

How to check 1990 Porsche 911 tire pressure?
Proper 1990 Porsche 911 tire inflation is essential to the overall tire performance and safety. To check tire pressure for 1990 Porsche 911 you will need to know its recommended tire pressure and a tire pressure gauge. Check inflation pressures in 1990 Porsche 911 tires with tire pressure gauge and adjust to 1990 Porsche 911 recommended tire pressure levels as needed by adding or releasing air. Make sure to check tire inflation for your 1990 Porsche 911 regularly to ensure safe and comfortable drive.

Why is 1990 Porsche 911 tire pressure warning light on?
If your 1990 Porsche 911 is equipped with Tire Pressure Monitoring System (TPMS) it will alert you when tire pressure is too low and your tires could be underinflated, which can lead to uneven tire wear or can cause tire failure. If 1990 Porsche 911 low tire pressure warning light is on, check all 1990 Porsche 911 tires for low tire pressure and inflate tires to the recommended tire pressure levels. Keep in mind that Tire Pressure Monitoring System does not replace routine tire pressure check and maintenance.

How to reset tire pressure warning light for 1990 Porsche 911?
To reset tire pressure monitoring system for 1990 Porsche 911, make sure front and rear tires are inflated to the recommended levels. Refer to your 1990 Porsche 911 owner's manual on how to reset your tire pressure monitoring system.

What is recommended winter tire pressure for 1990 Porsche 911?
Recommended tire pressure for 1990 Porsche 911 is the same for any season, but you may inflate your 1990 Porsche 911 tires 3 to 5 psi above the recommended tire pressure set by the manufacturer to compensate for lower temperatures during winter. Make sure to check your 1990 Porsche 911 tire pressure more often in the winter to keep tires properly inflated for a safe ride on snow and icy roads.