The 2010 Jeep Wrangler tire size depends on trim: the Rubicon, Automatic takes LT255/75R17 C 111/10; the Rubicon, Standard takes LT255/75R17 C 111/10; the Sahara, Automatic takes P255/70R18 112S; the Sahara, Standard takes P255/70R18 112S; the Sport, Automatic takes P225/75R16 104S; the Sport, Standard takes P225/75R16 104S; the Unlimited Rubicon, Automatic takes LT255/75R17 C 111/10; the Unlimited Rubicon, Standard takes LT255/75R17 C 111/10; the Unlimited Sahara, 4WD, Automatic takes P255/70R18 112S; the Unlimited Sahara, 4WD, Standard takes P255/70R18 112S; the Unlimited Sahara, RWD takes P255/70R18 112S; the Unlimited Sport, 4WD, Automatic takes P225/75R16 104S; the Unlimited Sport, 4WD, Standard takes P225/75R16 104S; the Unlimited Sport, RWD takes P225/75R16 104S, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Rubicon, Automatic: LT255/75R17 C 111/10
Rubicon, Standard: LT255/75R17 C 111/10
Sahara, Automatic: P255/70R18 112S
Sahara, Standard: P255/70R18 112S
Sport, Automatic: P225/75R16 104S
Sport, Standard: P225/75R16 104S
Unlimited Rubicon, Automatic: LT255/75R17 C 111/10