Used 2021 Cadillac CT5 for Sale nearGreen Bay, WI

How much does the 2021 Cadillac CT5 cost?

Prices have softened 9.44% compared to this time last year, making it a favorable time to shop this model year.

There are 541 listings available, which gives you a reasonable amount of inventory to compare.

Is the 2021 Cadillac CT5 a good car?

Yes — the 2021 Cadillac CT5 earns a 5/5 user rating, and owners consistently praise its smooth ride, impressive performance, and attractive design. The review summary also points to strong engine options and advanced technology features, which fits a car that aims to deliver driving appeal and modern equipment in a distinctive luxury sedan package. If you want a midsize luxury sedan that feels a little different from the usual choices, this model year lines up well with that use case. With 31.1% of listings marked as good or great deals, you also have a decent chance of finding a competitive offer.

Is the 2021 Cadillac CT5 reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction.

The review summary emphasizes that owners value the CT5’s smooth ride and strong performance, and those traits often go hand in hand with a car that feels dependable over time. The mention of advanced technology features also suggests a well-rounded ownership experience for buyers who want modern convenience. For used shoppers, the main long-term risk is making sure the specific car you choose has been maintained well and checked carefully before you commit.

What should I look for when buying a used 2021 Cadillac CT5?

Accident-free inventory is solid at 76% — always verify the vehicle history report.

You should start with a history report so you can confirm accident status, title status, and ownership patterns before you get too far into the process. After that, prioritize a thorough inspection of the exterior, interior, and electronics, since condition matters a lot in a luxury sedan. Focus especially on signs of wear that could affect how the car feels day to day, not just how it looks in photos.

Is now a good time to buy a used 2021 Cadillac CT5?

This is a moderate market for buyers, so you can shop selectively without expecting every listing to be a bargain.

• Deal availability: 31.1% of listings are priced as good or great deals.
• Inventory: There are 541 listings available.
• Price trend: Prices have softened 9.44% compared with last year.
• Clean inventory: 76.0% of listings are accident-free.

If you find a listing below $28,564, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Cadillac CT5's resale value?

The current average of $28,564 sits slightly below last year's $31,542.

That price movement suggests the CT5 has softened in the market, which can matter if you're thinking about future trade-in or resale timing. A lower current purchase price can help you limit depreciation exposure, especially if you buy near the bottom of the range. Strong demand for well-kept examples should still support values better than average for cars with broad appeal.

Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2021 Cadillac CT5 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 31.1% of listings are priced as good or great deals.
• Accident-free inventory is solid at 76% — always verify the vehicle history report.
• Price trend: Prices have softened 9.44% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

Consider the 2020 if:

• At $26,302, the 2020 costs less than the current year's $28,564 average.
• It offers a stylish, approachable take on Cadillac's new luxury sport sedan.

The bottom line: If you want the stronger current-market balance of price, inventory, and owner satisfaction, the 2021 is the better starting point. If your priority is spending less upfront, the 2020 is the more budget-friendly path and still gives you the CT5's core appeal.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.