Used 2021 Cadillac XT4 for SaleNationwide

How much does the 2021 Cadillac XT4 cost?

Prices have softened 13.98% compared to this time last year, making it a favourable time to shop this model year.

There are 78 listings available, which gives you a reasonable amount of inventory to compare before you buy.

Is the 2021 Cadillac XT4 a good car?

Yes — the 4.75/5 user rating suggests you can feel confident considering this model year if you want a well-liked used SUV. With 33.3% of listings marked as good or great deals, you have some room to shop selectively rather than rushing into the first option you see.

Is the 2021 Cadillac XT4 reliable?

Owners rate it 4.75/5, a strong signal of long-term satisfaction.

For used buyers, that points to lower ownership risk than you might expect from a luxury SUV, especially if you focus on well-maintained examples with clean histories.

Is now a good time to buy a used 2021 Cadillac XT4?

This looks like a moderate buyer’s market, so you can be selective without expecting every listing to be a bargain.

• Deal availability: 33.3% of listings are priced as good or great deals.
• Inventory: There are 78 listings available.
• Price trend: Prices have softened 13.98% compared with last year.

If you find a listing below $27,891 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Cadillac XT4's resale value?

The current average of $28,071 CAD sits slightly below last year's $32,634 CAD.

That kind of price movement suggests the market has cooled, which can help you buy at a better entry point today. If you plan to sell later, the recent softening means resale gains may be more limited unless the vehicle is especially well kept. Strong pricing discipline now can help you protect value down the road.

Vehicles with strong owner satisfaction ratings, like this model year's 4.75/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2021 Cadillac XT4 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:

• 33.3% of listings are priced as good or great deals.
• Price trend: Prices have softened 13.98% compared with last year.
• Owners rate it 4.75/5 — a strong satisfaction signal.

The bottom line:

The 2021 is a sensible choice if you want a used XT4 with solid owner approval and a market that has become more buyer-friendly. If your priority is stretching your budget further, you may want to compare nearby years and focus on whichever one gives you the best combination of price, condition, and deal quality.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.