2009 Porsche Boxster Tire Pressure

2009 Porsche Boxster tire inflation pressures range around 29 to 36 psi based on the trim and original equipment tire sizes. Select from 5 trims and 10 original equipment tire size sets to find recommended tire pressure for 2009 Porsche Boxster tires to improve fuel efficiency, extend tire life and drive safely.

2009 Porsche Boxster (Winter Tires)

2009 Porsche Boxster (Winter Tires) is equipped with Tire Pressure Monitoring System (TPMS).

Front Tire Rear Tire
Tire Size 205/55R17 235/50R17
Recommended Tire Pressure 29 psi 36 psi
Acceptable Winter Tire Pressure 32 - 34 psi 39 - 41 psi
Tire Size Type Metric Metric
Tire Load Index (Maximum Tire Load Capacity) 91 (1356 lbs or 615 kg) 96 (1566 lbs or 710 kg)
Tire Speed Rating (Maximum Speed) V (149 mph or 240 km/h) V (149 mph or 240 km/h)
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2009 Porsche Boxster Base Model

2009 Porsche Boxster Base Model is equipped with Tire Pressure Monitoring System (TPMS).

Front Tire Rear Tire
Tire Size 205/55R17 235/50R17
Recommended Tire Pressure 29 psi 36 psi
Acceptable Winter Tire Pressure 32 - 34 psi 39 - 41 psi
Tire Size Type Metric Metric
Tire Load Index (Maximum Tire Load Capacity) 91 (1356 lbs or 615 kg) 96 (1566 lbs or 710 kg)
Tire Speed Rating (Maximum Speed) Y (186 mph or 300 km/h) Y (186 mph or 300 km/h)
Front Tire Rear Tire
Tire Size 235/35R19 265/35R19
Recommended Tire Pressure 32 psi 36 psi
Acceptable Winter Tire Pressure 35 - 37 psi 39 - 41 psi
Tire Size Type Metric Metric
Tire Load Index (Maximum Tire Load Capacity) 87 (1202 lbs or 545 kg) 94 (1478 lbs or 670 kg)
Tire Speed Rating (Maximum Speed) (Y) (195 mph or 314 km/h) (Y) (195 mph or 314 km/h)
Front Tire Rear Tire
Tire Size 235/40R18 265/40R18
Recommended Tire Pressure 29 psi 36 psi
Acceptable Winter Tire Pressure 32 - 34 psi 39 - 41 psi
Tire Size Type Metric Metric
Tire Load Index (Maximum Tire Load Capacity) 91 (1356 lbs or 615 kg) 101 (1819 lbs or 825 kg)
Tire Speed Rating (Maximum Speed) (Y) (195 mph or 314 km/h) (Y) (195 mph or 314 km/h)

2009 Porsche Boxster S

2009 Porsche Boxster S is equipped with Tire Pressure Monitoring System (TPMS).

Front Tire Rear Tire
Tire Size 235/35R19 265/35R19
Recommended Tire Pressure 32 psi 36 psi
Acceptable Winter Tire Pressure 35 - 37 psi 39 - 41 psi
Tire Size Type Metric Metric
Tire Load Index (Maximum Tire Load Capacity) 87 (1202 lbs or 545 kg) 94 (1478 lbs or 670 kg)
Tire Speed Rating (Maximum Speed) (Y) (195 mph or 314 km/h) (Y) (195 mph or 314 km/h)
Front Tire Rear Tire
Tire Size 235/40R18 265/40R18
Recommended Tire Pressure 29 psi 36 psi
Acceptable Winter Tire Pressure 32 - 34 psi 39 - 41 psi
Tire Size Type Metric Metric
Tire Load Index (Maximum Tire Load Capacity) 91 (1356 lbs or 615 kg) 101 (1819 lbs or 825 kg)
Tire Speed Rating (Maximum Speed) (Y) (195 mph or 314 km/h) (Y) (195 mph or 314 km/h)

2009 Porsche Boxster S (Winter Tires)

2009 Porsche Boxster S (Winter Tires) is equipped with Tire Pressure Monitoring System (TPMS).

Front Tire Rear Tire
Tire Size 235/40R18 255/40R18
Recommended Tire Pressure 29 psi 36 psi
Acceptable Winter Tire Pressure 32 - 34 psi 39 - 41 psi
Tire Size Type Metric Metric
Tire Load Index (Maximum Tire Load Capacity) 91 (1356 lbs or 615 kg) 95 (1522 lbs or 690 kg)
Tire Speed Rating (Maximum Speed) V (149 mph or 240 km/h) V (149 mph or 240 km/h)

2009 Porsche Boxster S Porsche Design 2

2009 Porsche Boxster S Porsche Design 2 is equipped with Tire Pressure Monitoring System (TPMS).

Front Tire Rear Tire
Tire Size 235/35R19 265/35R19
Recommended Tire Pressure 32 psi 36 psi
Acceptable Winter Tire Pressure 35 - 37 psi 39 - 41 psi
Tire Size Type Metric Metric
Tire Load Index (Maximum Tire Load Capacity) 87 (1202 lbs or 545 kg) 94 (1478 lbs or 670 kg)
Tire Speed Rating (Maximum Speed) (Y) (195 mph or 314 km/h) (Y) (195 mph or 314 km/h)

All tire pressure information listed is for informational purposes only. TirePressure.com does not warrant or make any representations regarding the use of or the results of the use of this information. Always refer to vehicle owner's manual for recommended tire inflation pressures.

It is vital to maintain correct tire inflation pressures for 2009 Porsche Boxster tires. Low tire pressure and underinflated tires can lead to uneven and excessive tire wear, poor handling and reduced fuel economy. High tire pressure and overinflated tires can result in reduced traction, poor braking and can even be a cause of a tire blowout. Check tire pressure regularly and maintain correct tire inflation for 2009 Porsche Boxster to enjoy a safe and comfortable drive, save money on gas and keep auto insurance premiums low.

Recommended tire pressure for 2009 Porsche Boxster is determined by the manufacturer based on its characteristics and original equipment tire sizes. You can find 2009 Porsche Boxster recommended tire pressure in owner's manual or on a tire placard on the side of driver's door or door jam. 2009 Porsche Boxster tire inflation will be listed in psi (pounds per square inch), bar or kPa (kilopascals). Keep in mind that tire inflation listed on tire sidewall is the maximum air pressure the tire can hold to carry its maximum load, and not necessarily the recommended tire pressure for 2009 Porsche Boxster. 2009 Porsche Boxster may have different recommended tire pressure settings for front and rear tires, especially if equipped with staggered tires.

To check 2009 Porsche Boxster tire pressure you will need to know its recommended tire inflation and a tire pressure gauge. Check tire inflation when tires are "cold" and have not been driven for at least 3 hours. Adjust 2009 Porsche Boxster tire inflation to the recommended tire pressure levels as needed by adding air with a tire inflator.

If you replace 2009 Porsche Boxster original equipment tires with optional or plus tire sizes, make sure to follow guidelines on how to apply tire load inflation tables when replacing 2009 Porsche Boxster tires to find proper tire pressure for new tires. Always refer to the 2009 Porsche Boxster owner’s manual for any specific safety advice regarding the application of replacement tires.

2009 Porsche Boxster tire pressure fluctuates with ambient temperatures, so when temperatures drop tires may lose approximately 1 psi of air pressure for every 10 degree Fahrenheit decrease in temperature. During winter 2009 Porsche Boxster tires can be inflated 3 to 5 psi above the recommended tire pressure settings to compensate for lower temperatures. Never overinflate above psi indicated on tire sidewall. Make sure to check tire pressure regularly in the winter to keep tires properly inflated for a safe ride on snow and icy roads. Consult owner's manual for recommended winter tire pressure for 2009 Porsche Boxster.

2009 Porsche Boxster should be equipped with tire pressure monitoring system (TPMS) that uses tire pressure sensors to alert the driver when tire pressure is low. When 2009 Porsche Boxster low tire pressure warning light is on, check all tires for low air pressure and inflate as needed. Refer to owner's manual on how to reset 2009 Porsche Boxster tire pressure monitoring system.