P245/45R18 Passenger / P-Metric Factory Specs, Physical Dimensions & Compatible Vehicle Applications
The P245/45R18 tire size features an overall diameter of 26.68 inches, a section width of 9.6 inches (245mm), and rotates 756 times per mile. It is a standard factory tire fitment on 125+ vehicle models including Acura TL, Acura RL.
Physical Dimensions & Specs Overall Diameter 26.68"
677.7 mm Section Width 245 mm
9.65" wide Sidewall Height 4.34"
110.2 mm (45% aspect) Revolutions / Mile 756
Circumference: 83.82" Rim Diameter 18"
Wheel size Recommended Rim Width 6.1" - 8.6"
Optimal rim width range Where to Buy & Install P245/45R18 Tires Looking for P245/45R18 tires? Skip hauling tires in your car—choose direct delivery to a local certified shop or doorstep delivery:
⭐ Recommended · Ship to Local Shop
Tire Rack Free shipping directly to over 10,000+ certified local installers.
✓ Delivered to local installer (Firestone, Discount Tire & local shops)✓ Mobile installation available — mount & balance right in your driveway✓ Free 2-year road hazard warranty on most eligible tire models🏎️ Find P245/45R18 on Tire Rack (Local Install) →Direct Home Delivery
Amazon Automotive Fast doorstep shipping for DIYers or bringing to your own shop.
✓ Prime doorstep shipping for home garages or spares ✓ Huge range of budget and specialty tire sizes in stock ✓ Ideal if you have a local independent mechanic you prefer 🛒 Shop P245/45R18 on Amazon →As an affiliate for Tire Rack and Amazon, we earn from qualifying purchases at no extra cost to you.
Speedometer & Alternate Size Calculator Testing an alternate size for your vehicle? Compare P245/45R18 against any proposed tire size below:
Popular Comparisons: Standard Crossover Upgrade (225/65R17 → 245/60R18) Truck Off-Road Fitment (265/70R17 → 285/70R17) Sport Compact Plus-One (205/55R16 → 225/45R17) Performance Sedan Stance (245/45R18 → 265/35R19)
Visual Tire & Wheel Comparison Tire 1 26.7" Height Tire 2 29.6" Height
Speedometer Variance +10.8% At 60 mph reading, actual speed is 66.5 mph
Indicated Actual Speed Diff 20 mph 22.2 mph +2.2 mph 30 mph 33.3 mph +3.3 mph 45 mph 49.9 mph +4.9 mph 60 mph 66.5 mph +6.5 mph 75 mph 83.1 mph +8.1 mph 90 mph 99.8 mph +9.8 mph
Fender & Suspension Clearance Fitment Status: MODERATE RISK
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Inner Strut Space: 7.7mm LESS clearance
Outer Fender Push: Extends 17.7mm further out
Ride Height Delta: +1.45" ground clearance
Vehicles That Fit P245/45R18 (125+ Models) Factory standard and optional vehicle fitments utilizing P245/45R18 tires:
Year Make & Model Trim / Variant Lookup Specs 2009 Acura TL SH-AWD View 2009 TL › 2009 Acura RL RL View 2009 RL › 2010 Acura TL SH-AWD, Standard View 2010 TL › 2010 Acura RL RL View 2010 RL › 2010 Acura TL SH-AWD, Automatic View 2010 TL › 2011 Acura TL SH-AWD, Automatic View 2011 TL › 2011 Acura TL SH-AWD, Standard View 2011 TL › 2011 Acura RL RL View 2011 RL › 2012 Acura TL SH-AWD, Standard Trans View 2012 TL › 2012 Acura TL SH-AWD, Automatic Trans View 2012 TL › 2012 Acura RL RL View 2012 RL › 2013 Acura TL SH-AWD, Automatic Trans View 2013 TL › 2013 Acura TL SH-AWD, Standard Trans View 2013 TL › 2014 Acura RLX Base View 2014 RLX › 2014 Acura TL SH-AWD, Standard Trans View 2014 TL › 2014 Acura TL SH-AWD, Automatic Trans View 2014 TL › 2015 Acura RLX RLX View 2015 RLX › 2004 Cadillac CTS V View 2004 CTS › 2005 Cadillac CTS V View 2005 CTS › 2006 Cadillac CTS V View 2006 CTS › 2007 Cadillac CTS V View 2007 CTS › 2012 Hyundai Azera Azera View 2012 Azera › 2013 Hyundai Azera Azera View 2013 Azera › 2014 Hyundai Azera Base View 2014 Azera › 2014 Hyundai Azera Limited View 2014 Azera › 2015 Hyundai Azera Base View 2015 Azera › 2016 Hyundai Azera Base View 2016 Azera › 2017 Hyundai Azera Base View 2017 Azera › 2002 Infiniti Q45 Q45 View 2002 Q45 › 2003 Infiniti Q45 Q45 View 2003 Q45 › 2004 Infiniti Q45 Q45 View 2004 Q45 › 2005 Infiniti Q45 Q45 View 2005 Q45 › 2006 Infiniti M35 Base View 2006 M35 › 2006 Infiniti M35 x View 2006 M35 › 2006 Infiniti Q45 Q45 View 2006 Q45 › 2006 Infiniti M45 M45 View 2006 M45 › 2007 Infiniti M35 x View 2007 M35 › 2007 Infiniti M35 Base View 2007 M35 › 2007 Infiniti M45 M45 View 2007 M45 › 2008 Infiniti M45 Base View 2008 M45 › 2008 Infiniti M35 x View 2008 M35 › 2008 Infiniti M45 x View 2008 M45 › 2008 Infiniti M35 Base View 2008 M35 › 2009 Infiniti G37 Base, 2D Convertible View 2009 G37 › 2009 Infiniti M35 Base View 2009 M35 › 2009 Infiniti M35 x View 2009 M35 › 2009 Infiniti M45 x View 2009 M45 › 2009 Infiniti M45 Base View 2009 M45 › 2010 Infiniti G37 Base, 2D Convertible View 2010 G37 › 2010 Infiniti M35 Base View 2010 M35 › 2010 Infiniti M45 x View 2010 M45 › 2010 Infiniti M45 Base View 2010 M45 › 2010 Infiniti M35 x View 2010 M35 › 2011 Infiniti G37 Base, 2D Convertible View 2011 G37 › 2012 Infiniti G37 Base, 2D Convertible View 2012 G37 › 2013 Infiniti G37 Base View 2013 G37 › 2014 Infiniti Q60 Base, 2D Convertible, Standard Trans View 2014 Q60 › 2014 Infiniti Q60 Base, 2D Convertible, Automatic Trans View 2014 Q60 › 2015 Infiniti Q60 Base, 2D Coupe View 2015 Q60 › 2015 Infiniti Q60 Base, 2D Convertible View 2015 Q60 › 2014 Kia Cadenza Limited View 2014 Cadenza › 2015 Kia Cadenza Limited View 2015 Cadenza › 2016 Kia Cadenza Base View 2016 Cadenza › 2016 Kia Cadenza Premium View 2016 Cadenza › 2004 Nissan Maxima SE, Automatic View 2004 Maxima › 2004 Nissan Maxima SE, Standard, RS6F51A View 2004 Maxima › 2004 Nissan Maxima SE, Standard, RS6F51H View 2004 Maxima › 2005 Nissan Maxima SE, Automatic View 2005 Maxima › 2005 Nissan Maxima SE, Standard, RS6F51A View 2005 Maxima › 2005 Nissan Maxima SE, Standard, RS6F51H View 2005 Maxima › 2006 Nissan Maxima SE, Automatic View 2006 Maxima › 2006 Nissan Maxima SE, Standard, RS6F51A View 2006 Maxima › 2006 Nissan Maxima SE, Standard, RS6F51H View 2006 Maxima › 2007 Nissan Maxima SE View 2007 Maxima › 2008 Nissan Maxima SE View 2008 Maxima › 2009 Nissan Maxima S View 2009 Maxima › 2009 Nissan Maxima SV View 2009 Maxima › 2010 Nissan Maxima S View 2010 Maxima › 2010 Nissan Maxima SV View 2010 Maxima › 2011 Nissan Maxima S View 2011 Maxima › 2011 Nissan Maxima SV View 2011 Maxima › 2012 Nissan Maxima SV View 2012 Maxima › 2012 Nissan Maxima S View 2012 Maxima › 2013 Nissan Maxima SV View 2013 Maxima › 2013 Nissan Maxima S View 2013 Maxima › 2014 Nissan Maxima S View 2014 Maxima › 2014 Nissan Maxima SV View 2014 Maxima › 2006 Pontiac Solstice Automatic View 2006 Solstice › 2006 Pontiac Solstice Standard View 2006 Solstice › 2007 Pontiac Solstice Base, Automatic View 2007 Solstice › 2007 Pontiac Solstice Base, Standard View 2007 Solstice › 2007 Pontiac Solstice GXP, Automatic View 2007 Solstice › 2007 Pontiac Solstice GXP, Standard View 2007 Solstice › 2008 Pontiac G8 GT View 2008 G8 › 2008 Pontiac G8 Base View 2008 G8 › 2008 Pontiac Solstice Base, Automatic View 2008 Solstice › 2008 Pontiac Solstice GXP, Automatic View 2008 Solstice › 2008 Pontiac Solstice Base, Standard View 2008 Solstice › 2008 Pontiac Solstice GXP, Standard View 2008 Solstice › 2009 Pontiac Solstice GXP, 2D Convertible, Automatic View 2009 Solstice › 2009 Pontiac Solstice Base, 2D Coupe, Standard View 2009 Solstice › 2009 Pontiac Solstice GXP, 2D Convertible, Standard View 2009 Solstice › 2009 Pontiac Solstice GXP, 2D Coupe, Automatic View 2009 Solstice › 2009 Pontiac Solstice GXP, 2D Coupe, Standard View 2009 Solstice › 2009 Pontiac G8 Base View 2009 G8 › 2009 Pontiac G8 GT View 2009 G8 › 2009 Pontiac Solstice Base, 2D Convertible, Standard View 2009 Solstice › 2009 Pontiac Solstice Base, 2D Coupe, Automatic View 2009 Solstice › 2009 Pontiac Solstice Base, 2D Convertible, Automatic View 2009 Solstice › 2007 Saturn Sky Base, Automatic View 2007 Sky › 2007 Saturn Sky Base, Standard View 2007 Sky › 2007 Saturn Sky Red Line, Automatic View 2007 Sky › 2007 Saturn Sky Red Line, Standard View 2007 Sky › 2008 Saturn Sky Base, Automatic View 2008 Sky › 2008 Saturn Sky Base, Standard View 2008 Sky › 2008 Saturn Sky Red Line, Automatic View 2008 Sky › 2008 Saturn Sky Red Line, Standard View 2008 Sky › 2009 Saturn Sky Red Line, Automatic View 2009 Sky › 2009 Saturn Sky Base, Standard View 2009 Sky › 2009 Saturn Sky Red Line, Standard View 2009 Sky › 2009 Saturn Sky Base, Automatic View 2009 Sky › 2010 Saturn Sky Base, Automatic View 2010 Sky › 2010 Saturn Sky Red Line, Standard View 2010 Sky › 2010 Saturn Sky Red Line, Automatic View 2010 Sky › 2010 Saturn Sky Base, Standard View 2010 Sky ›