2020 GMC Acadia Tire Size, Pressure & Specs
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Quick answer
- OEM Tire Size: 235/65R18 or 235/55R20
- Recommended Cold Tire Pressure (Front/Rear): 35 PSI
- Bolt Pattern: 6x120
- Wheel Size: 18x7.5" or 20x8"
- Load Index/Speed Rating: 106H or 108V
- Spare Tire Size: T135/70R18
- TPMS Frequency: 315 MHz
Tire sizes by trim
| Trim | Standard Tire Size | Optional Tire Size |
|---|---|---|
| SL | 235/65R18 | - |
| SLE | 235/65R18 | - |
| SLT | 235/65R18 | 235/55R20 |
| AT4 | 255/65R17 | - |
| Denali | 235/55R20 | - |
Recommended replacement tires
- Michelin Defender LTX M/S ($$): A popular all-season tire known for its long tread life and comfortable, quiet ride. It provides excellent grip in both wet and dry conditions.
- Goodyear Assurance WeatherReady ($$): A great premium all-season option with a focus on superior traction in all weather conditions, including light snow.
- Bridgestone Dueler H/L Alenza Plus ($$): This tire offers a quiet and comfortable ride, with good performance in wet and dry conditions. It's a solid choice for highway driving.
- Cooper Discoverer SRX ($): A quality, budget-friendly option that doesn't compromise on performance. It provides reliable all-season traction and a smooth ride.
Lug nut torque & pattern
- Lug Nut Torque: 140 lb-ft (190 Nm)
- Tightening Pattern: Tighten the lug nuts in a star pattern to ensure the wheel is evenly seated against the hub.
Common tire issues for this vehicle
The 2020 GMC Acadia is not known for any specific, recurring tire problems. However, like any vehicle, it can be susceptible to common issues such as:
- Premature wear: This is often caused by improper inflation or alignment issues. Regularly checking your tire pressure and having the alignment checked annually can help prevent this.
- Uneven wear: This can also be a sign of alignment problems, but it can also be caused by worn suspension components. If you notice uneven wear, have a trusted technician inspect your vehicle.
- Road hazard damage: Punctures from nails, screws, or other debris are a common issue for any tire. Some tires come with a road hazard warranty, which can help cover the cost of replacement.
Need new tires? Find a trusted shop on Repairius.
More specs for the 2020 GMC Acadia
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
2020 GMC Acadia 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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