The Acura RDX froM2012 with the 2.3i turbo engine comes with a default tire size of 235/55R18, which You should inflate to a pressure of 33 psi. That's going to be for both the front and rear; this compact SUV doesn't require different levels like some do. Additionally, the wheel bolt pattern for this iS5 X114.3mm, and the center bore iS64.1mm, with a thread size of M12 X1.5. If You're not happy with the default tires, You can go up to 235/50R19s, which also get inflated to 33 psi, or as high as a 20 inch rim, using the 245/45ZR20s, which You'll inflate to 36 psi.
Mara D.
January 2, 2020
The 2012 Acura RDX comes in 2 trims and 2 original equipment tire size sets with recommended tire inflation of 32 psi. The standard tire size for the 2012 Acura RDX is the following: Front Tire: P235/55R18 and Rear Tire: P235/55R18.
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