2014 GMC Sierra 1500: Tire Size, Pressure, & Wheel Specs
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
Working on this 2014 GMC Sierra 1500? Run just this one job through Repairius.
No big switch. Write the estimate, text it for approval, and get paid on your phone. Keep everything else the way it is.
14-day free trial · credit card required · cancel anytime
Quick answer
- OEM Tire Sizes: 255/70R17, 265/70R17, 265/65R18, 275/55R20
- Recommended Cold Tire Pressure (Door Placard): Typically 35 PSI all around (verify your specific door placard)
- Bolt Pattern: 6x139.7mm
- Wheel Size: 17x8 inches, 18x8.5 inches, 20x9 inches
- Load Index/Speed Rating: Varies by tire size, typically 113S or higher
- Spare Tire Size: Matches one of the OEM tire sizes (e.g., 265/70R17 or 265/65R18)
- TPMS Frequency: 315 MHz
Tire sizes by trim
The 2014 GMC Sierra 1500 was offered with a variety of tire and wheel options depending on the trim level and optional packages. Here's a general breakdown:
| Trim Level | Tire Size | Wheel Size |
|---|---|---|
| Work Truck (WT) | 255/70R17 | 17x8 inches |
| 265/70R17 | 17x8 inches | |
| SLE | 265/70R17 | 17x8 inches |
| 265/65R18 | 18x8.5 inches | |
| SLT | 265/65R18 | 18x8.5 inches |
| 275/55R20 | 20x9 inches | |
| Denali | 275/55R20 | 20x9 inches |
Note: Specific tire and wheel combinations can vary based on factory options and regional packages. Always consult your vehicle's door placard for the most accurate information.
Recommended replacement tires
When it comes to replacing tires on your 2014 GMC Sierra 1500, you have a wealth of options designed for various driving conditions and budgets. Here are a few popular choices across different price points:
- Michelin Defender LTX M/S (Premium): This is a perennial favorite for trucks and SUVs, known for its exceptional tread life, comfortable ride, and excellent all-season traction. Expect to pay a premium, but the longevity and performance often justify the cost.
- Goodyear Wrangler All-Terrain Adventure with Kevlar (Mid-Range): A great all-around tire for those who might venture off-pavement occasionally but still want good on-road manners. Kevlar reinforcement adds durability against punctures. Offers a good balance of performance and value.
- Falken Wildpeak A/T3W (Value/Aggressive): If you're looking for a more aggressive all-terrain tire without breaking the bank, the Wildpeak A/T3W is an excellent choice. It performs well in various conditions, including light snow and mud, and offers a surprisingly quiet ride for its class.
- Firestone Destination LE3 (Mid-Range/Highway): For drivers who primarily stay on paved roads and prioritize a quiet, comfortable ride with good wet and dry traction, the Destination LE3 is a strong contender. It offers reliable all-season performance with good tread life.
When to inflate to max load psi
The 2014 GMC Sierra 1500 is a light-duty truck, and for general driving and carrying typical loads, you should always adhere to the recommended cold tire pressures listed on your vehicle
More specs for the 2014 GMC Sierra 1500
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2014 GMC Sierra 1500 Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
Browse by make
Running an auto or diesel repair shop?
Compare Repairius to the shop software you're paying for
$99.99/month (first location included), unlimited users, 14-day free trial.