Used 2018 GMC Acadia wheels – 18x4-1/2 (opt RTI)

Year & trim-specific price guide

Used 2018 GMC Acadia Wheels — 18x4-1/2 (opt RTI) prices

Trim-specific pricing for the 18x4-1/2 (opt RTI) variant of the 2018 GMC Acadia wheels, built from 48 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 11, 2026

2018 GMC Acadia · 18x4-1/2 (opt RTI)

$84

median asking price

48 priced listings · $75–$316

Price summary

A used 2018 GMC Acadia wheels (18x4-1/2 (opt RTI)) costs $75 to $316, with a median asking price of $84. Based on 48 priced salvage yard listings across the US, updated Sep 11, 2026. Prices exclude shipping, core charges, and installation.

2018 GMC Acadia wheels — 18x4-1/2 (opt RTI) price snapshot

USD
Low
$75
Average
$122
High
$316
48 priced listings used · last updated Sep 11, 2026· How we price·

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Reporting price for 2018 GMC Acadia Wheels (18x4-1/2 (opt RTI))

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Trim-specific context

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

This pricing covers the 18x4-1/2 (opt RTI) variant of the 2018 GMC Acadia wheels, based on 48 priced listings. Its $84 median is 33% 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 trim, other years

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

All years
202550 listings$89$75 – $197202450 listings$190$85 – $201202348 listings$100$40 – $292202250 listings$190$85 – $195202148 listings$100$40 – $292202039 listings$100$75 – $232201948 listings$175$75 – $271

Same year, other trims

What other 2018 GMC Acadia wheels variants are available?

18x7-1/2, opt RSZ

50 listings$110$65 – $327

20x8, 6 spoke, opt RTG

48 listings$121$75 – $320

17x7-1/2 (opt RSC)

46 listings$93$75 – $227

20x8, 6 spoke, opt RTU

40 listings$171$99 – $250

20x8, 12 spoke (opt SSZ)

39 listings$160$65 – $879

20x8, 6 spoke, opt SKL

39 listings$155$135 – $357

18x7-1/2, opt RQH

38 listings$100$71 – $196

18x7-1/2, opt 5PJ

37 listings$125$40 – $225

Back to full guide

2018 GMC Acadia wheels — all trims

View 2018 guide

Common questions

2018 GMC Acadia wheels (18x4-1/2 (opt RTI)) FAQ

How much is a used 2018 GMC Acadia wheels (18x4-1/2 (opt RTI))?

Based on 48 priced salvage-yard listings, a used 2018 GMC Acadia wheels in the 18x4-1/2 (opt RTI) variant lists between $75 and $316, with a median asking price of $84.

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

The 18x4-1/2 (opt RTI) variant appears in model years 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.

2018 GMC Acadia Wheels · 18x4-1/2 (opt RTI) Prices | Part Price Guide