2017 Jeep Grand Cherokee — Tire Size & Pressure Guide

As an ASE-certified master technician, I get a lot of questions about wheels and tires for the highly versatile 2017 Jeep Grand Cherokee. Whether you are daily driving a Limited, hitting the trails in a Trailhawk, or carving corners in an SRT, having the correct tire specifications is critical for safety, handling, and maximizing the life of your drivetrain.

Below is your comprehensive tire and wheel guide for the 2017 Jeep Grand Cherokee.

Quick Answer: 2017 Jeep Grand Cherokee Tire & Wheel Specs

Here are the baseline specifications for the 2017 Jeep Grand Cherokee:

• OEM Tire Sizes: 245/70R17, 265/60R18, 265/50R20, or 295/45R20 (depending on trim)
• Recommended Cold Tire Pressure: 33 to 36 PSI front and rear (always verify with your driver's door jamb placard)
• Bolt Pattern: 5x127mm (5x5")
• Wheel Sizes: 17x8.0, 18x8.0, 20x8.0, and 20x10.0 (SRT only); standard offset is +56mm
• Load Index / Speed Rating: 110T (17"), 109T (18"), 107T (20"), 110W (SRT)
• Spare Tire Size: 245/65R18 (compact spare) or a full-size matching spare depending on the tow package
• TPMS Frequency: 433 MHz

Tire Sizes by Trim

Tire sizes vary significantly across the 2017 Grand Cherokee lineup. Check your specific trim level below:

Recommended Replacement Tires

When it's time to replace the tires on your Grand Cherokee, you want rubber that matches how you use the vehicle. Here are three highly recommended options across different price tiers:

1. Premium / Highway Touring: Michelin Defender LTX M/S An absolute favorite in the shop. It provides an incredibly quiet ride, exceptional wet-weather traction, and a tread life that often outlasts the competition. Perfect for Laredo, Limited, and Overland trims.
2. All-Terrain / Mid-Range: Falken Wildpeak A/T3W If you have a Trailhawk or frequently take your Jeep off-road, the Wildpeak A/T3W offers excellent off-road grip and a severe snow rating (3PMSF) without causing excessive highway drone.
3. Budget-Friendly: Kumho Crugen HP71 For those looking for a comfortable, reliable all-season tire without breaking the bank, the Crugen HP71 delivers solid everyday performance and good treadwear.

When to Inflate to Max Load PSI

While the Jeep Grand Cherokee is not a Heavy-Duty (HD) truck, many owners utilize its impressive 7,400-lb max towing capacity. If you are towing a heavy trailer or loading the cargo area to maximum capacity, you may need to increase your rear tire pressure to handle the load safely.

While everyday driving calls for 33–36 PSI, towing heavy loads may require bumping the rear tires closer to the tire's maximum cold pressure rating (often 40-44 PSI for standard load tires, clearly listed on the tire sidewall). Never exceed the maximum pressure listed on the tire sidewall, and remember to drop the pressure back down to the door placard recommendation once you are done towing to prevent uneven center tread wear.

Lug Nut Torque & Pattern

Properly torquing your wheels is vital, especially on a heavy SUV like the Grand Cherokee.

• Bolt Pattern: 5x127mm (also known as 5x5")
• Lug Nut Thread Size: M14 x 1.5
• Lug Nut Torque Spec: 130 ft-lbs (176 Nm)

Tech Tip: Jeep lug nuts of this era are notorious for having a two-piece design (a steel core with an aluminum cosmetic cap). Over time, moisture causes the caps to swell, making it impossible to fit a standard socket over them. Consider replacing them with solid, one-piece aftermarket lug nuts.

Common Tire Issues for this Vehicle

1. Quadra-Lift Suspension Alignment: Grand Cherokees equipped with the Quadra-Lift air suspension can suffer from inner edge tire wear if the vehicle is not put into "Alignment Mode" properly before an alignment. Make sure your alignment tech is familiar with this system.
2. Swollen Lug Nuts: As mentioned above, the factory two-piece lug nuts often swell, which can leave you stranded if you get a flat tire and the factory lug wrench won't fit.
3. Cupping on 20-inch Wheels: The larger 20-inch wheels on the Overland and Summit trims are more susceptible to tire cupping if shocks begin to wear or if tires aren't rotated strictly every 5,000 to 7,500 miles.

Need new tires? Find a trusted shop on Repairius.