2018 GMC Acadia wheels — 20x8, 6 spoke, opt RTG price snapshot
- Low
- $75
- Average
- $149
- High
- $320
Year & trim-specific price guide
Used 2018 GMC Acadia Wheels — 20x8, 6 spoke, opt RTG prices
Trim-specific pricing for the 20x8, 6 spoke, opt RTG variant of the 2018 GMC Acadia wheels, built from 48 real salvage yard listings with condition grade detail.
Price summary
A used 2018 GMC Acadia wheels (20x8, 6 spoke, opt RTG) costs $75 to $320, with a median asking price of $121. Based on 48 priced salvage yard listings across the US, updated Sep 11, 2026. Prices exclude shipping, core charges, and installation.
USD
Condition comparison
Price by part grade
Grade AClean / low wearUpdating
Grade BStandard usedUpdating
Grade CVisible wearUpdating
Grade XUngraded$75–$32048 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | Updating | — | |
| Grade BStandard used | Updating | — | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $75–$320 | 48 |
Trim-specific context
How does the 20x8, 6 spoke, opt RTG compare?
This pricing covers the 20x8, 6 spoke, opt RTG variant of the 2018 GMC Acadia wheels, based on 48 priced listings. Its $121 median is 3% below the 2018 GMC Acadia wheels overall median of $125.
There are 8 other wheels variants available for the 2018 GMC Acadia.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
What other 2018 GMC Acadia wheels variants are available?
18x7-1/2, opt RSZ
50 listings$110$65 – $32718x4-1/2 (opt RTI)
49 listings$84$75 – $1,01017x7-1/2 (opt RSC)
46 listings$93$75 – $22720x8, 6 spoke, opt RTU
40 listings$171$99 – $25020x8, 6 spoke, opt SKL
39 listings$155$135 – $35720x8, 12 spoke (opt SSZ)
39 listings$160$65 – $87918x7-1/2, opt RQH
38 listings$100$71 – $19618x7-1/2, opt 5PJ
37 listings$125$40 – $225Back to full guide
2018 GMC Acadia wheels — all trims
Common questions
2018 GMC Acadia wheels (20x8, 6 spoke, opt RTG) FAQ
How much is a used 2018 GMC Acadia wheels (20x8, 6 spoke, opt RTG)?
Based on 48 priced salvage-yard listings, a used 2018 GMC Acadia wheels in the 20x8, 6 spoke, opt RTG variant lists between $75 and $320, with a median asking price of $121.
Which years use the 20x8, 6 spoke, opt RTG wheels?
In our current dataset, the 20x8, 6 spoke, opt RTG variant appears only for the 2018 model year.