What size tires are on a 2018 Chevy Silverado 1500?
The standard tire size for a 2018 Chevy Silverado 1500 is 265/70R17. This tire size provides a good balance of ride comfort, handling, and fuel efficiency for this full-size pickup truck.
Detailed Tire Specifications
The 265/70R17 tire size on the 2018 Chevy Silverado 1500 has the following key specifications:
- 265 - The tire width in millimeters
- 70 - The aspect ratio, which is the ratio of the tire's sidewall height to the tread width
- R - Indicates a radial tire construction
- 17 - The wheel diameter in inches that the tire is designed to fit
This tire size is the standard offering on the base trim levels of the 2018 Silverado 1500. Higher trim models may come equipped with larger 18-inch or 20-inch wheel and tire packages.
Tire Upgrade Options
While the standard 265/70R17 tires provide a good balance, some Silverado 1500 owners may choose to upgrade to larger tires for improved off-road capability, towing performance, or a more aggressive appearance. Common tire upgrade sizes for the 2018 Silverado 1500 include:
- 275/65R18
- 285/60R20
- 295/55R20
It's important to ensure any tire upgrades are compatible with the Silverado's suspension, brakes, and other components to maintain safe and proper vehicle operation.
What size tires are on a Chevy Silverado 1500?
The tire size for a Chevy Silverado 1500 depends on the trim level and year, with common options including 265/70R17, 265/65R18, 275/60R20, and 275/50R22. For example, the base Work Truck (WT) trim might have smaller tires like 265/70R17, while higher trims like the LTZ or High Country often come with larger options such as 275/60R20 or 275/50R22.
Common tire sizes by trim and year
- Work Truck (WT): 265/70R17, 255/70R17, or 275/65R18
- LT Trail Boss: 275/65R18 or 275/60R20
- RST: 265/65R18, 275/60R20, or 275/50R22
- LTZ: 265/65R18, 275/60R20, or 275/50R22
- High Country: 275/60R20 or 275/50R22
- ZR2: 275/70R18
How to find your specific tire size
- Check the sticker located on the driver's side door jamb. It lists the original equipment (OE) tire size and recommended tire pressures.
- Look at the sidewall of your current tires for the complete size information (e.g., P265/70R17).
What's the biggest size tire you can put on a stock 2018 Silverado?
All things being the same between a 1500 with the 17" or 18" wheel, you should be able to run a max size of 33" considering the factory 265/65/18 is 32" you can get another 1" but not much more.
Will 20 inch rims fit a Chevy Silverado 1500?
Yes, 20-inch rims will fit a Chevy Silverado 1500, as this is a common factory and aftermarket size. You must ensure the new rims have the correct bolt pattern (6x139.76 x 139.76𝑥139.7) and consider wheel width and offset to avoid fitment issues, especially without modifications.
Key fitment considerations
- Bolt Pattern: The bolt pattern is the most crucial factor. Your Silverado 1500 requires a 6x139.76 x 139.76𝑥139.7 (or 6x5.56 x 5.56𝑥5.5) pattern for 20-inch wheels to mount correctly.
- Wheel and Tire Size: While the rim diameter is 20 inches, the overall tire diameter must be kept close to the original specification to prevent speedometer errors and potential rubbing. The correct tire size for a 20-inch rim depends on the truck's generation.
- Width and Offset: The width of the wheel and its offset (the distance from the wheel's centerline to its mounting surface) will determine how far the wheel sticks out from the hub. These factors are critical for avoiding rubbing against suspension components or the fender.
- Suspension: Many Silverado 1500 models can fit 20-inch rims with stock suspension, but this depends on the specific wheel and tire combination. Some aftermarket 20-inch wheels, particularly wider ones with a negative offset, may require modifications like a leveling kit or lift kit to prevent rubbing.
How to ensure a proper fit
- Check the specs: Confirm the new wheels have a 6x139.76 x 139.76𝑥139.7 bolt pattern.
- Use a wheel and tire guide: Consult a professional guide to find a suitable tire size that will keep the overall tire diameter similar to your truck's factory size.
- Consider modifications: If you plan to install wider wheels or tires, you may need to install a leveling kit to provide enough clearance.
Can I put 17 inch wheels on my 2018 Silverado?
For your 2018 Silverado 1500, we have 17 inch, 18 inch, 20 inch, 22 inch, 24 inch, 26 inch, and 28 inch wheels that would be perfect. With a wide selection of aftermarket wheels and rims, we offer various colors including Black, Chrome, and Silver. Our fitment expertise ensures that your new wheels will fit perfectly.
