Cadillac XT4 car radio — amplifier, ID 84502844 price snapshot
- Low
- $54
- Average
- $151
- High
- $305

Trim-specific price guide
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.
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.
A used Cadillac XT4 car radio (amplifier, ID 84502844) costs $54 to $305, with a median asking price of $153. Based on 224 priced salvage yard listings across the US, updated Oct 17, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $70–$305 | 214 | |
| Grade BStandard used | $126–$141 | 6 | |
| Grade XUngraded | $54–$120 | 4 |
Median by grade
Median asking price by seller-reported condition grade · $54–$305 overall range
Trim-specific context
This pricing covers the amplifier, ID 84502844 variant of the Cadillac XT4 car radio, based on 224 priced listings across 5 model years (2019, 2020, 2021, 2022, 2023). Its $153 median is 9% above the Cadillac XT4 car radio overall median of $141.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 224 priced salvage-yard listings across 5 model years, a used Cadillac XT4 car radio in the amplifier, ID 84502844 variant lists between $54 and $305, with a median asking price of $153.
The amplifier, ID 84502844 variant appears in model years 2019, 2020, 2021, 2022, 2023. Prices and availability differ by year.
Yes. Grade A has a median of $153, Grade B has a median of $141. Grade A parts are in excellent condition, B is good, and C is fair.