2014 Cadillac SRX — AWD Premium
The 2014 Cadillac SRX AWD Premium came from the factory equipped with 235/55R20 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.
235/55R20
| Section width | 235 mm |
|---|---|
| Aspect ratio (sidewall height) | 55% (129.3 mm) |
| Rim diameter | 20" |
| Overall tire diameter | ~30.2" |
| Revolutions per mile | ~668 |
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What this size means for your Cadillac SRX
On the 2014 Cadillac SRX AWD Premium, the factory 235/55R20 measures about 30.2″ in overall diameter with a 129.3 mm (5.1″) sidewall, and completes roughly 668 revolutions per mile. Its 55-series aspect ratio gives a balanced everyday-passenger profile — enough sidewall to soak up road shock while keeping steering response crisp. In tire terms it is a large-diameter fitment.
Other 2014 Cadillac SRX trims
- AWD Luxury 235/65R18 / 235/55R20
- AWD Performance 235/55R20
- FWD Luxury 235/65R18 / 235/55R20
- FWD Performance 235/55R20
- FWD Premium 235/65R18 / 235/55R20
- FWD Standard 235/65R18 / 235/55R20
Cadillac SRX tire sizes by year
- 2016 Cadillac SRX 235/65R18 / 235/55R20
- 2015 Cadillac SRX 235/65R18 / 235/55R20
- 2013 Cadillac SRX 235/65R18
- 2012 Cadillac SRX 235/65R18
- 2011 Cadillac SRX 235/55R20
- 2010 Cadillac SRX 235/55R20
- 2009 Cadillac SRX 235/65R17 (Front) / 255/60R17 (Rear)
- 2008 Cadillac SRX 235/65R17 (Front) / 255/60R17 (Rear)
- 2007 Cadillac SRX 235/65R17 (Front) / 255/60R17 (Rear)
- 2006 Cadillac SRX 235/65R17 (Front) / 255/60R17 (Rear)
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.