Used 2021 Cadillac CT5 for SaleNationwide

How much does the 2021 Cadillac CT5 cost?

Prices have softened 9.38% compared to this time last year, making it a favorable time to shop this model year.

There are 540 listings available, which gives you a solid pool to compare prices and equipment.

Is the 2021 Cadillac CT5 a good car?

Yes — owners rate it 5/5, and that lines up with the CT5’s appeal as a smooth-riding, attractive sedan with strong performance and modern technology. The owner feedback repeatedly points to its smooth ride, impressive performance, and attractive design, with many shoppers also valuing the available tech features. In practical terms, it fits you well if you want a distinctive luxury sedan that aims to deliver style and driving appeal without the price of some rivals. With 30.0% of listings marked as good or great deals, there is still meaningful shopping opportunity.

Is the 2021 Cadillac CT5 reliable?

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

The owner summary also emphasizes that many drivers find it reliable in day-to-day use, with a dependable feel supported by its smooth ride and strong overall ownership experience. That kind of feedback suggests the CT5 can be a car you feel comfortable counting on over time, especially if you prioritize a refined driving experience. For used buyers, long-term ownership risk should still be managed by checking maintenance history and overall condition carefully.

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

At 74.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report so you can separate clean examples from cars with prior damage or repeated claims. After that, prioritize a thorough inspection of body panels, paint consistency, tires, brakes, and interior wear so you can judge how the car was treated. Because this model year has a mix of clean and incident-affected listings, condition should matter as much as mileage and price.

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

This is a moderate market for selective buyers, so you can shop with some leverage if you focus on value and condition.

• Deal availability: 30.0% of listings are priced as good or great deals.
• Inventory: There are 540 listings available.
• Price trend: Prices have softened 9.38% compared with last year.
• Clean inventory: 74.8% of listings are accident-free.

If you find a listing below $27,955, 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 $28,009 sits slightly below last year's $30,906.

That decline suggests the CT5 has moved into a more buyer-friendly pricing zone, which can help you if you plan to sell later because your entry price is lower today. At the same time, softer pricing can also mean resale upside is more limited than it would be in a rising market. If you buy well and keep the car in strong condition, you give yourself the best chance to preserve value.

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:

• 30.0% of listings are priced as good or great deals.
• At 74.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 9.38% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

Consider the 2020 if:

• At $26,254, the 2020 costs less than the current year's $28,009 average.
• It offers a stylish, approachable luxury-sedan package.

The bottom line: If you want the stronger current-market balance of price, owner satisfaction, and shopping inventory, the 2021 is the better primary choice. If your top priority is spending less upfront, the 2020 is the better secondary path and may be the smarter value play.

These recommendations are based on CarGurus' proprietary market data from September 29, 2026, CarGurus experts' opinions, and generative AI.