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 $22,162, and its year-round low is $22,006.51. That gives you a useful snapshot of where this model sits today across the years shoppers are most likely to compare. 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 well regarded by owners across its model years for its luxury feel, smooth ride, and strong performance. The all-generations owner rating is 4.64/5 across every model year in the data.

Owners also repeatedly praise the spacious interior and advanced technology, and many highlight the quiet, comfortable driving experience. Across the reviews, you’ll also see consistent appreciation for the CT6’s upscale design and overall sense of refinement. 28.2% of listings are priced as good or great deals.

Are Cadillac CT6 models reliable?

Owners consistently praise the CT6 for its luxury, smooth ride, and powerful performance, and the review summaries also point to strong technology and spacious interiors. Across the model years, those same themes show up again and again, which is a good sign if you want a used luxury sedan that delivers a polished driving experience.

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

For long-term ownership, you should plan carefully for maintenance and inspect the vehicle’s service history closely before buying.

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

Across all model years, at 63.8% 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.

Higher-volume years usually give you more choices on trim, mileage, and price, which makes it easier to compare listings and find a setup that fits your budget. They also tend to be the years shoppers cross-shop most often, so you may see more active pricing and deal opportunities.

What is the Cadillac CT6's resale value?

Prices are moving lower across every year shown, which can work in your favor if you’re shopping used. The sharpest drop is in the 2017 model year, while the other years show smaller declines. That pattern gives you several opportunities to find a CT6 at a more approachable price than a year ago.

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 or wait for the next model?

Buy now if:

• Price trend: The 2019 model is at −6.23% versus a year ago, and the 2018 model is at −6.87%.
• Deal availability: The 2019 model has 29.9% good and great deals, and the 2018 model has 28.2%.
• Sweet-spot year: The 2017 model has the most listings at a current average price of $19,294.

If you're buying used today, the 2017 model year offers the best mix of value and availability. If you want the newest version, it may be worth waiting for 2021 inventory to mature.

These recommendations are based on CarGurus' proprietary market data from August 21, 2026, CarGurus experts' opinions, and generative AI.