2021 Cadillac XT4 car radio — amplifier, ID 84502844 price snapshot
- Low
- $54
- Average
- $145
- High
- $276
Year & trim-specific price guide
Used 2021 Cadillac XT4 Car Radio — amplifier, ID 84502844 prices
Trim-specific pricing for the amplifier, ID 84502844 variant of the 2021 Cadillac XT4 car radio, built from 46 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 29, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used 2021 Cadillac XT4 car radio (amplifier, ID 84502844) costs $54 to $276, with a median asking price of $136. Based on 46 priced salvage yard listings across the US, updated Sep 29, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$141
Grade B (good)$141
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$27642 listings
Grade BStandard used$126–$1412 listings
Grade XUngraded$54–$1202 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$276 | 42 | |
| Grade BStandard used | $126–$141 | 2 | |
| Grade XUngraded | $54–$120 | 2 |
Median by grade
Grade price comparison
Grade A$141
Grade B$141
Ungraded$120
Median asking price by seller-reported condition grade · $54–$276 overall range
Trim-specific context
How does the amplifier, ID 84502844 compare?
This pricing covers the amplifier, ID 84502844 variant of the 2021 Cadillac XT4 car radio, based on 46 priced listings. Its $136 median is 12% above the 2021 Cadillac XT4 car radio overall median of $121.
There are 7 other car radio variants available for the 2021 Cadillac XT4.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
amplifier, ID 84502844 in other model years
Same year, other trims
What other 2021 Cadillac XT4 car radio variants are available?
amplifier, ID 84492965
46 listings$126$51 – $400amplifier, ID 84722062
46 listings$126$51 – $400receiver, ID 84672910
46 listings$118$78 – $279receiver, ID 84710572
46 listings$118$78 – $279receiver, ID 84672909
39 listings$116$75 – $279receiver, ID 84710571
39 listings$116$75 – $279receiver, ID 84737736
39 listings$116$75 – $279Back to full guide
2021 Cadillac XT4 car radio — all trims
Common questions
2021 Cadillac XT4 car radio (amplifier, ID 84502844) FAQ
How much is a used 2021 Cadillac XT4 car radio (amplifier, ID 84502844)?
Based on 46 priced salvage-yard listings, a used 2021 Cadillac XT4 car radio in the amplifier, ID 84502844 variant lists between $54 and $276, with a median asking price of $136.
Which years use the amplifier, ID 84502844 car radio?
The amplifier, ID 84502844 variant appears in model years 2019, 2020, 2021, 2022, 2023. Prices and availability may differ by year.