What do the tire size markings on Mazda CX-9 (TB) tires mean?

They indicate width, aspect ratio, and rim diameter, such as 235/55R19 meaning 235 mm wide, 55% aspect ratio, and 19-inch rim.

Can I use tires from one trim on another trim of the CX-9 (TB)?

Only if the tire size and rim dimensions match the vehicle’s specifications for that trim and model year.

How do rim width and diameter affect tire choice on the CX-9 (TB)?

Rim width and diameter determine tire size compatibility and influence ride quality and handling.

Mazda CX-9 (TB) Tire Sizes & Rim Dimensions by Year and Trim

The Mazda CX-9 (TB) offers a range of tire sizes and rim dimensions depending on the model year and trim level. Standard trims often feature rim widths around 7 to 8 inches with diameters from 17 to 20 inches, tailored to balance comfort and performance.\n\nTire sizes for the CX-9 (TB) vary by year, with common markings like 235/55R19 and 255/50R20, reflecting width, aspect ratio, and rim size respectively. Understanding these markings is key to selecting compatible tires.\n\nWhen comparing trims, higher-end versions typically sport larger rim diameters with wider rims to accommodate performance tires and enhance handling. Always cross-reference the tire sidewall markings with manufacturer specifications to ensure proper fit and safety.

Year

Make / model / trim	Year	Tire size	Wheel
Mazda CX-9 (TB) 3.7	2015	245/60R18	7.5" × 18"
Mazda CX-9 (TB) 3.7 AWD	2015	245/60R18	7.5" × 18"
Mazda CX-9 (TB) 3.5 AWD	2014	245/60R18	7.5" × 18"
Mazda CX-9 (TB) 3.5 AWD	2013	245/60R18	7.5" × 18"
Mazda CX-9 (TB) 3.5 AWD	2012	245/60R18	7.5" × 18"
Mazda CX-9 (TB) 3.5 AWD	2011	245/60R18	7.5" × 18"
Mazda CX-9 (TB) 3.5 AWD	2010	245/60R18	7.5" × 18"
Mazda CX-9 (TB) 3.5 AWD	2009	245/60R18	7.5" × 18"
Mazda CX-9 (TB) 3.5 AWD	2008	245/60R18	7.5" × 18"
Mazda CX-9 (TB) 3.5 AWD	2007	245/60R18	7.5" × 18"

For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Mazda CX-9 (TB).

FAQ

What do the tire size markings on Mazda CX-9 (TB) tires mean?: They indicate width, aspect ratio, and rim diameter, such as 235/55R19 meaning 235 mm wide, 55% aspect ratio, and 19-inch rim.
Can I use tires from one trim on another trim of the CX-9 (TB)?: Only if the tire size and rim dimensions match the vehicle’s specifications for that trim and model year.
How do rim width and diameter affect tire choice on the CX-9 (TB)?: Rim width and diameter determine tire size compatibility and influence ride quality and handling.

Tire size calculatorShow

Compare two tire sizes — diameter, speedometer error, and clearance change.