Used 2021 GMC Acadia wheels – 18x4-1/2 (opt RTI)

Year & trim-specific price guide

Used 2021 GMC Acadia Wheels — 18x4-1/2 (opt RTI) prices

Trim-specific pricing for the 18x4-1/2 (opt RTI) variant of the 2021 GMC Acadia wheels, built from 49 real salvage yard listings with condition grade detail.

2021 GMC Acadia · 18x4-1/2 (opt RTI)

$100

median asking price

49 priced listings · $35–$292

Price summary

A used 2021 GMC Acadia wheels (18x4-1/2 (opt RTI)) costs $35 to $292, with a median asking price of $100. Based on 49 priced salvage yard listings across the US, updated Sep 8, 2026. Prices exclude shipping, core charges, and installation.

2021 GMC Acadia wheels — 18x4-1/2 (opt RTI) price snapshot

USD
Low
$35
Average
$122
High
$292
49 priced listings used · last updated Sep 8, 2026· How we price·

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Reporting price for 2021 GMC Acadia Wheels (18x4-1/2 (opt RTI))

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Condition comparison

Price by part grade

Grade AClean / low wearUpdating
Grade BStandard usedUpdating
Grade CVisible wearUpdating
Grade XUngraded$35–$29249 listings

Trim-specific context

How does the 18x4-1/2 (opt RTI) compare?

This pricing covers the 18x4-1/2 (opt RTI) variant of the 2021 GMC Acadia wheels, based on 49 priced listings. Its $100 median is 50% below the 2021 GMC Acadia wheels overall median of $200.

There are 13 other wheels variants available for the 2021 GMC Acadia.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Same trim, other years

18x4-1/2 (opt RTI) in other model years

All years
202349 listings$100$35 – $292202250 listings$190$85 – $195202039 listings$100$75 – $232201849 listings$84$75 – $1,010

Same year, other trims

What other 2021 GMC Acadia wheels variants are available?

18x7-1/2 (6 Y spoke), opt RD9

50 listings$170$90 – $349

20x8, 6 spoke, individual spokes, opt SHA

48 listings$365$125 – $530

20x8, 6 spoke, double spoke, machined face (opt SUE)

48 listings$320$100 – $585

18x7-1/2 (6 Y spoke), opt 5PB

47 listings$181$87 – $378

20x8, 6 spoke, individual spokes, opt Q9P

46 listings$251$150 – $555

20x8, 6 spoke, double spoke, painted black (opt QGY)

42 listings$295$130 – $464

20x8, 12 spoke (opt SSZ)

39 listings$160$65 – $879

17x7-1/2, silver (opt RSC)

37 listings$75$50 – $227

20x8, 6 spoke, individual spokes, opt SNV

37 listings$219$100 – $426

17x7-1/2, black (opt Q7D)

36 listings$175$99 – $305

20x8, 6 spoke, individual spokes, opt SKL

32 listings$155$140 – $345

20x8, 6 spoke, individual spokes, opt SH9

17 listings$200$100 – $468

20x8, 6 spoke, individual spokes, opt SHV

13 listings$225$175 – $276

Back to full guide

2021 GMC Acadia wheels — all trims

View 2021 guide

Common questions

2021 GMC Acadia wheels (18x4-1/2 (opt RTI)) FAQ

How much is a used 2021 GMC Acadia wheels (18x4-1/2 (opt RTI))?

Based on 49 priced salvage-yard listings, a used 2021 GMC Acadia wheels in the 18x4-1/2 (opt RTI) variant lists between $35 and $292, with a median asking price of $100.

Which years use the 18x4-1/2 (opt RTI) wheels?

The 18x4-1/2 (opt RTI) variant appears in model years 2018, 2020, 2021, 2022, 2023. Prices and availability may differ by year.