2014 GMC Sierra 2500HD Tire Size & Pressure
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Quick Answer
- OEM Tire Size: LT245/75R17, LT265/70R17, LT265/60R20
- Recommended Cold Tire Pressure (Door Placard): Refer to your specific vehicle's door jamb placard, but commonly 60-80 PSI for front and 60-80 PSI for rear, depending on load.
- Bolt Pattern: 8x180mm
- Wheel Size: 17x7.5", 20x8.5"
- Load Index/Speed Rating: Varies by tire size, but typically 121/123S or higher for LT tires
- Spare Tire Size: Matches one of the OEM tire sizes (e.g., LT245/75R17 or LT265/70R17)
- TPMS Frequency: 315 MHz
Tire Sizes by Trim
| Trim | OEM Tire Size |
|---|---|
| WT | LT245/75R17 |
| SLE | LT245/75R17, LT265/70R17 |
| SLT | LT265/70R17, LT265/60R20 |
| Denali | LT265/60R20 |
Recommended Replacement Tires
When it's time for new tires on your 2014 GMC Sierra 2500HD, consider these popular options, keeping in mind that prices can vary significantly based on brand, retailer, and sales:
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Michelin Defender LTX M/S (Premium Priced): This is a highly regarded all-season, highway-terrain tire known for its excellent treadwear, quiet ride, and strong all-weather traction, including light snow. It's a solid choice for daily driving and towing.
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BFGoodrich All-Terrain T/A KO2 (Mid-to-Premium Priced): If you venture off-road or need more aggressive traction, the KO2 is a legendary choice. It offers exceptional durability, aggressive off-road performance, and surprisingly good on-road manners for an all-terrain tire. It's also severe snow rated.
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Goodyear Wrangler Duratrac (Mid-to-Premium Priced): Another popular option for those needing a more aggressive all-terrain. The Duratrac provides impressive traction in mud, snow, and rough terrain while still performing well on the highway. Its aggressive tread design is a favorite among truck owners.
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Cooper Discoverer A/T3 XLT (Mid-Priced): The Discoverer A/T3 XLT is a great value all-terrain tire that offers a good balance of on-road comfort and off-road capability. It's known for its robust construction and long tread life, making it a dependable choice for truck owners.
When to Inflate to Max Load PSI
For heavy-duty trucks like the 2014 GMC Sierra 2500HD, understanding tire pressure, especially Maximum Load PSI, is crucial. The recommended cold tire pressure found on your door placard is for typical everyday driving and light loads. However, when you
More specs for the 2014 GMC Sierra 2500HD
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
2015 Sierra 2500HD
2016 Sierra 2500HD
2017 Sierra 2500HD
2018 Sierra 2500HD
2019 Sierra 2500HD
2020 Sierra 2500HD
Maintenance & repair guides
2014 GMC Sierra 2500HD Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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