Cadillac STS Tire Pressure

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The Cadillac STS has tire pressure monitoring system (TPMS) with Tire Fill Alert that alerts the driver when the tires need to be refilled. The Tire Pressure display will show yellow when any of the four Tire Pressure monitoring system (TPMS) is low. The TPMS Tire Fill Alert uses sensor information to calculate when the tires need to be refilled. When the Tire Pressure display is icon is yellow, add air to all four tires.

Cadillac STS models by year 2005 – 2011 has correct air pressure of 32P/2.21B/221K depending on the tire size and year purchase.

Cadillac STS is a passenger car is available in different 5 trim levels and has 5 stock tire size. Check correct tire pressure for Cadillac STS based on production year and tire specifications.

Units of pressure
  • PSI – pounds per square inch (lbf/in2). 10 psi = 68.95 kPa/0.6895 bar
  • BAR – one bar nearly equal to one atmosphere. 1 bar = 100 kPa/14.504 psi
  • KPA – kilopascals is a metric unit of pressure. 100 kPa = 1 bar/14.504 psi
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Cadillac STS has been equipped with a tire pressure monitoring system (TPMS).

2011 Cadillac STS tire pressure information

The values of the tire pressure for 2011 Cadillac STS is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 31P/2.14B/214K/2.07B/207K/2.07B/207K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
255/45 R18 99Y 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
235/50 R17 95S 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K

2010 Cadillac STS tire pressure information

The values of the tire pressure for 2010 Cadillac STS is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 31P/2.14B/214K/2.07B/207K/2.07B/207K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
255/45 R18 99Y 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
235/50 R17 95S 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K

2009 Cadillac STS tire pressure information

The values of the tire pressure for 2009 Cadillac STS is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 32P/2.21B/221K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
255/45 R18 99Y 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
235/50 R17 95S 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 255/45 R18 99Y
Rear: 275/40 R19 101Y		 31P/2.14B/214K/2.07B/207K/2.07B/207K 33P/2.27B/227K

2008 Cadillac STS tire pressure information

The values of the tire pressure for 2008 Cadillac STS is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 32P/2.21B/221K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
255/45 R18 99Y 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
235/50 R17 95S 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 255/45 R18 99Y
Rear: 275/40 R19 101Y		 31P/2.14B/214K/2.07B/207K/2.07B/207K 33P/2.27B/227K

2007 Cadillac STS tire pressure information

The values of the tire pressure for 2007 Cadillac STS is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 32P/2.21B/221K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
255/45 R18 99Y 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
235/50 R17 95S 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R17 95V
Rear: 255/45 R17 98V		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
255/45 R18 99W 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 255/45 R18 99Y
Rear: 275/40 R19 101Y		 31P/2.14B/214K/2.07B/207K/2.07B/207K 33P/2.27B/227K

2006 Cadillac STS tire pressure information

The values of the tire pressure for 2006 Cadillac STS is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 32P/2.21B/221K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
255/45 R18 99Y 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
235/50 R17 95S 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R17 95V
Rear: 255/45 R17 98V		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
255/45 R18 99W 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 255/45 R18 99Y
Rear: 275/40 R19 101Y		 31P/2.14B/214K/2.07B/207K/2.07B/207K 33P/2.27B/227K

2005 Cadillac STS tire pressure information

The values of the tire pressure for 2005 Cadillac STS is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 31P/2.14B/214K/2.07B/207K/2.07B/207K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
Front: 235/50 R17 95S
Rear: 235/50 R17 95S		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R17 95V
Rear: 255/45 R17 98V		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
255/45 R18 99W 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
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Cadillac STS trim to see its original equipment tire sizes and corresponding tire inflation pressures.

Tire Pressure for Cadillac STS

Approved tire pressure for trim level: Cadillac STS is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 31P/2.14B/214K/2.07B/207K/2.07B/207K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
255/45 R18 99Y 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
235/50 R17 95S 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R17 95S
Rear: 235/50 R17 95S		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R17 95V
Rear: 255/45 R17 98V		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
255/45 R18 99W 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K

Tire Pressure for Cadillac STS Luxury

Approved tire pressure for trim level: Cadillac STS Luxury is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 31P/2.14B/214K/2.07B/207K/2.07B/207K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
255/45 R18 99Y 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
235/50 R17 95S 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R17 95V
Rear: 255/45 R17 98V		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K

Tire Pressure for Cadillac STS Platinum

Approved tire pressure for trim level: Cadillac STS Platinum is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 31P/2.14B/214K/2.07B/207K/2.07B/207K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K

Tire Pressure for Cadillac STS Premium

Approved tire pressure for trim level: Cadillac STS Premium is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 31P/2.14B/214K/2.07B/207K/2.07B/207K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
255/45 R18 99Y 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K
Front: 235/50 R18 97W
Rear: 255/45 R18 99W		 31P/2.14B/214K/2.07B/207K/2.07B/207K 31P/2.14B/214K/2.07B/207K/2.07B/207K

Tire Pressure for Cadillac STS V

Approved tire pressure for trim level: Cadillac STS V is 31P/2.14B/214K/2.07B/207K/2.07B/207K for front and 33P/2.27B/227K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
Front: 255/45 R18 99Y
Rear: 275/40 R19 101Y		 31P/2.14B/214K/2.07B/207K/2.07B/207K 33P/2.27B/227K
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Approved tire pressure for trim level: Cadillac STS original equipment tire sizes with matching trims and model years.

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