2018 GMC Terrain rear bumper assembly — SL, park assist price snapshot
- Low
- $61
- Average
- $512
- High
- $825
Year & trim-specific price guide
Used 2018 GMC Terrain Rear Bumper Assembly — SL, park assist prices
Trim-specific pricing for the SL, park assist variant of the 2018 GMC Terrain rear bumper assembly, built from 44 real salvage yard listings with condition grade detail.
Price summary
A used 2018 GMC Terrain rear bumper assembly (SL, park assist) costs $61 to $825, with a median asking price of $550. Based on 44 priced salvage yard listings across the US, updated Sep 12, 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$61–$82544 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | Updating | — | |
| Grade BStandard used | Updating | — | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $61–$825 | 44 |
Trim-specific context
How does the SL, park assist compare?
This pricing covers the SL, park assist variant of the 2018 GMC Terrain rear bumper assembly, based on 44 priced listings. Its $550 median is 1% below the 2018 GMC Terrain rear bumper assembly overall median of $555.
There are 11 other rear bumper assembly variants available for the 2018 GMC Terrain.
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 Terrain rear bumper assembly variants are available?
SLT, w/o trailer hitch; park assist
46 listings$660$63 – $1,237SLT, w/o trailer hitch; w/o park assist
46 listings$531$59 – $999SLE, trailer hitch (opt VR2), w/o park assist
45 listings$485$135 – $667SLE, w/o trailer hitch; park assist
44 listings$550$61 – $825Denali, (park assist), w/o trailer hitch
44 listings$790$91 – $975SLT, trailer hitch (opt VR2), park assist
42 listings$555$285 – $850SLE, w/o trailer hitch; w/o park assist
40 listings$450$180 – $1,000SL, w/o park assist
40 listings$450$180 – $1,000SLE, trailer hitch (opt VR2), park assist
37 listings$470$200 – $875Denali, (park assist), trailer hitch (opt VR2)
29 listings$690$74 – $1,045SLT, trailer hitch (opt VR2), w/o park assist
11 listings$775$285 – $1,016Back to full guide
2018 GMC Terrain rear bumper assembly — all trims
Common questions
2018 GMC Terrain rear bumper assembly (SL, park assist) FAQ
How much is a used 2018 GMC Terrain rear bumper assembly (SL, park assist)?
Based on 44 priced salvage-yard listings, a used 2018 GMC Terrain rear bumper assembly in the SL, park assist variant lists between $61 and $825, with a median asking price of $550.
Which years use the SL, park assist rear bumper assembly?
In our current dataset, the SL, park assist variant appears only for the 2018 model year.