Used Cadillac CT6 for Sale near Lafayette, IN

How much does the Cadillac CT6 cost in today's market?

Used Cadillac CT6 prices span a wide range depending on model year. Here's what the market looks like right now:

The Cadillac CT6's current nationwide average price is $21,493, and its lowest point over the past year was $21,310. Recently, prices have come down for the 2017, 2018, and 2019 models, making now a good time to shop recent model years.

Is the Cadillac CT6 a good car?

Yes — the Cadillac CT6 is a strong choice if you want a luxury sedan with a polished driving experience. The all-generations owner rating is 4.64/5 across every model year in the data.

Owners consistently praise the CT6 for its luxurious feel, smooth ride, powerful performance, advanced technology, and spacious interior. Many also highlight the quiet cabin and the way the car blends comfort with a more engaging driving character.

29.6% of listings are priced as good or great deals.

Are Cadillac CT6 models reliable?

Owners consistently praise the CT6 for its smooth ride, strong performance, and upscale feel, and expert impressions align with that overall appeal. Across the model years, the car also earns especially strong owner feedback for comfort, technology, and interior space.

• Owners rate the Cadillac CT6 between 4.0 and 4.8 out of 5 stars across all model years in the data.

For used buyers, long-term ownership can be shaped by maintenance costs and the condition of individual examples, so a careful inspection and service-history review are especially worthwhile.

What should I look for when buying a used Cadillac CT6?

Across all model years, at 60.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

What Cadillac CT6 do most buyers choose?

The Cadillac CT6 years with the most listings are 2017, 2018, and 2019.

These higher-volume years tend to draw more shoppers because they offer more inventory to compare, which can make it easier to find the right combination of price, condition, and features. They also give you a broader set of listings to evaluate when you’re trying to balance value and availability.

What is the Cadillac CT6's resale value?

Most of the model years in this table are down year over year, which can create better buying opportunities for used shoppers. The largest drop is in the older end of the lineup, while the newest year shown is nearly flat, suggesting stronger price stability there. Overall, the pattern points to a market where recent used CT6s have softened, but some years are holding value more closely than others.

The 2019 model year is holding steady, with prices close to flat year-over-year.

The 2019, 2018, and 2016 model years have held their value best, with the smallest year-over-year price changes.

Should I buy a used Cadillac CT6 now?

Buy now if:

• Price trend: The 2019 model is at −0.84% versus a year ago, and the 2018 model is at −4.31%.
• Deal availability: The 2019 model has 29.7% good and great deals, and the 2018 model has 28.4%.
• Sweet-spot year: The 2017 model has the most listings at a current average price of $18,198.

If you're buying used today, the 2017 model year offers the best mix of value and availability.

These recommendations are based on CarGurus' proprietary market data from October 13, 2026, CarGurus experts' opinions, and generative AI.