Simplified Size: 295-45-20. 2018 Jeep Grand Cherokee Tires. The tires on this year’s releases ranged between 30.4 to 30.6-inches in diameter, depending on the trim and rims. Your choices are: 17-Inch Rims. Laredo Laredo E. P245/70R17 108T. Simplified Size: 245-70-17. 18-Inch Rims. Laredo E Limited Overland Trailhawk. 265/60R18 110T Find specifications for every 2018 Jeep Grand Cherokee: gas mileage, engine, performance, warranty, equipment and more. 265/60R18 BSW all-season low roll resistance tires Full-size spare tire Find out what wheels and tires fit the 2017 Jeep Grand Cherokee. Check the tables below to get all tire sizes, wheel sizes, bolt patterns (PCD), rims offset, and tire pressure. The 2017 Jeep Grand Cherokee tire sizes are 245/70R17, 265/60R18, 265/50R20, 265/55VR19, 275/55VR19, 275/50ZR20, 295/45ZR20, 305/35ZR22. Click the "Alternate Sizes" button to see a list of similar tire sizes. You can then change the wheel size to see alternate sizes on a different diameter wheel. Jeep equips the 2018 Grand Cherokee Summit with a 265/50R20 tire. Click on each tire to compare prices online for that tire. Do you think a 275/65/18 could fit in the WK2 without rubbing. Actually the tire size is a general specification. Each Manufacturer has an actual size chart if you look for it. Diameter and width will change between manufacturers and often between models in the same manufacturer with the same general size (275/65/18 etc.). Designed for luxury chills and rugged thrills, get the most out of your Jeep with our 2018 Jeep Grand Cherokee Summit 4WD tires! From capable all-terrains to harcore mud terrains to comfortable highway tires, our Jeep Grand Cherokee tires are as versatile as your Jeep is! And if you’re after snow tires for your Grand Cherokee, we’ve got the Used 2018 Jeep Grand Cherokee Limited SUV Bright White Clearcoat for sale - only $21,991. FULL SIZE SPARE TIRE -inc: Steel Spare Wheel; TIRES: P265/60R18 BSW AS Vehicle: 2015 Jeep Grand Cherokee. When you change wheels and tires to a different size, how does that affect the Tire Pressure Monitoring system? There may be a programming function available to help. In this Diagnostic Quick Tip, National Field Trainer Jason Gabrenas shows you how to program new tire pressure thresholds on a Jeep using a scan yqkPCM.