Market retention
Cadillac CT4 value after 6 years.
A 2020 Cadillac CT4 is worth about $20,630–$28,157 today, depending on trim. That's 37.4% to 41.4% below original MSRP.
Current fair price
$20,630–$28,157
Compared with the original MSRP for the same trim.
Newest market year
2026
Fair price $40,303
Price today by trim
$20,630–$28,157
Current market range for matching trims
Price vs. original MSRP
37.4% to 41.4% below original MSRP
4 matching trims in 2020
Observed market data
Current market value by model year.
Each bar compares a year's current fair price with the newest Cadillac CT4 in this study.
2026
Newest year
$40,303 100%2025
1 years old
$37,526 93%2024
2 years old
$32,292 80%2023
3 years old
$33,967 84%2022
4 years old
$31,481 78%2021
5 years old
$25,512 63%2020
6 years old
$22,877 57%
Need the numbers behind this chart? Download the observed data and methodology (JSON).
How to read this
This study compares similarly adjusted listings from different model years today. It shows the shape of today's market—not a guarantee about a specific vehicle's future value.
Long-term estimate
12-year value outlook.
Observed rows use current listings. Later rows extend the measured annual decline and are clearly marked as projected.
| Age (yrs) | Model year | Est. miles | Resale value | Retention | Basis |
|---|---|---|---|---|---|
| 0 | 2026 | 0 | $40,303 | 100% | Market |
| 1 | 2025 | 12,000 | $37,526 | 93% | Market |
| 2 | 2024 | 24,000 | $32,292 | 80% | Market |
| 3 | 2023 | 36,000 | $33,967 | 84% | Market |
| 4 | 2022 | 48,000 | $31,481 | 78% | Market |
| 5 | 2021 | 60,000 | $25,512 | 63% | Market |
| 6 | 2020 | 72,000 | $22,877 | 57% | Market |
| 7 | 2019 | 84,000 | $21,594 | 54% | Projected |
| 8 | 2018 | 96,000 | $19,752 | 49% | Projected |
| 9 | 2017 | 108,000 | $18,067 | 45% | Projected |
| 10 | 2016 | 120,000 | $16,527 | 41% | Projected |
| 11 | 2015 | 132,000 | $15,117 | 38% | Projected |
Mileage assumes ~12,000 mi/yr. Projected values extend the observed market trend and are floored at 15% of the newest year's value; they are estimates, not guarantees.
Common questions
Cadillac CT4 market-value FAQ.
How does Cadillac CT4 market value vary by model year?
This study compares mileage-adjusted fair prices across Cadillac CT4 model years. It is a market snapshot, not the resale history of one vehicle.
What is a 2020 Cadillac CT4 worth compared with its original MSRP?
A 2020 Cadillac CT4 is worth about $20,630–$28,157 today, depending on trim. Compared with original MSRP, values run 37.4% to 41.4% below original MSRP.
What will a Cadillac CT4 be worth at 11 years old?
Extending the observed market trend, a 11-year-old Cadillac CT4 (around 132,000 miles) would be worth about $15,117—roughly 38% of the newest model year's value. A projection, not a guarantee.
Cross-sectional market-value estimate from live listings, adjusted for mileage · updated 9/17/2026. Estimates only; your car's value depends on condition, options, and location.