2014–2018 K2XX (3rd generation)
2014–2018 Chevrolet Silverado 1500 Tire Sizes, Pressure and Bolt Pattern
Every one of 4 factory tire sizes fitted to the 2014–2018 Chevrolet Silverado 1500, by trim and wheel diameter, with recommended cold pressures. Bolt pattern 6x139.7 (6x5.5). Lug nuts torque to 140 lb-ft.
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2014–2018 Chevrolet Silverado 1500 factory tire sizes
High confidence| Trim / wheels | Tire size | Pressure (F/R) | Rating |
|---|---|---|---|
| WT, LS (17-in) | 255/70R17 | 35 psi | N/A |
| LT, Z71, LTZ (18-in) | 265/65R18 | 35 psi | N/A |
| LTZ, High Country (20-in) | 275/55R20 | 35 psi | N/A |
| 22-in dealer/accessory wheels | 285/45R22 | 35 psi | N/A |
2014–2018 Chevrolet Silverado 1500 bolt pattern and lug nut torque
| Spec | Value |
|---|---|
| Bolt pattern (PCD) | 6x139.7 (6x5.5) |
| Lug nut torque | 140 lb-ft |
| Spare tire | Full-size spare winched under the bed (17-in steel on most trims) |
Tighten in a star pattern with a torque wrench, then re-check after roughly 50 miles. Wheels seat as they are driven. An impact gun routinely overshoots the figure above by 100 lb-ft or more, which warps rotors and stretches studs.
Which Chevrolet Silverado 1500 model years does this cover?
These tire sizes specifications apply to every Chevrolet Silverado 1500 built from 2014 through 2018 — the K2XX (3rd generation), full-size half-ton pickup (regular, double, crew cab). Nothing in this specification changes between those model years. Pick your year for the engines it offered, what changed that year, and the problems recorded against it.
What changed during the 2014–2018 Chevrolet Silverado 1500
- 2014Generation launch: direct-injected EcoTec3 engines, 8-qt V8 sumps, factory cabin air filter added
- 20156.2L pairs with the new 8L90 8-speed (source of the shudder TSB); 6.2L tow rating hits 12,000 lb
- 2016Facelift: new front fascia, LED low beams on LTZ/High Country, updated infotainment
- 2019K2XX sold one extra year as the 'Silverado LD' (double cab 5.3L only) alongside the new T1XX truck, LD parts follow this generation, and GM's 2019 chart lists the L83 at 0W-20 / 8.0 qt
2014–2018 Chevrolet Silverado 1500 tire sizes: common questions
What size tires does a 2014–2018 Chevrolet Silverado 1500 take?
- It varies by trim and wheel size, 4 factory fitments exist, from 255/70R17 up. Check the placard on the driver's door jamb for the size your specific vehicle left the factory with.
What is the bolt pattern on a 2014–2018 Chevrolet Silverado 1500?
- 6x139.7 (6x5.5). That is the figure you need when shopping for aftermarket wheels; centre bore and offset still have to match separately.
What should the tire pressure be on a 2014–2018 Chevrolet Silverado 1500?
- 35 PSI front and rear, measured cold. The number moulded into the tire sidewall is the tire's maximum, not the vehicle's recommendation. Do not inflate to it.
What is the lug nut torque for a 2014–2018 Chevrolet Silverado 1500?
- 140 lb-ft, tightened in a star pattern with a torque wrench. Impact guns routinely overshoot this by 100 lb-ft or more, which warps rotors and stretches studs.
Does the 2014–2018 Chevrolet Silverado 1500 come with a spare tire?
- Full-size spare winched under the bed (17-in steel on most trims).
Sources
- GM TechLink, official 2019/2020 engine oil capacity chart (incl. Silverado LD L83)
- AMSOIL product lookup, 2014 Silverado 1500 5.3L (L83)
- SilveradoSierra forum, GM bulletin: Gen V V8 capacity corrected 8.5 → 8.0 qt
- GM Authority, TSB 18-NA-355 fluid fix for 8-speed shudder
- GM-Trucks forum, TSB 18-NA-355 transmission flush discussion
- SilveradoSierra forum, K2XX A/C condenser known issue
- 1A Auto, 2014–2019 Silverado cabin air filter replacement (23281440)
- Autopadre, Silverado 1500 wiper size chart (22/22)
- FinditParts, Fram XG10575 cross-reference to ACDelco PF63E
- Bomnin Chevrolet, Silverado towing capacity by year