Used Cadillac ATS for Sale nearDecatur, IL

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

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

The Cadillac ATS's current nationwide average price is $11,226, and over the past year that average reached a low of $11,226. Recently, prices have come down for the 2016, 2017, and 2018 models, making now a good time to shop recent model years.

Is the Cadillac ATS a good car?

Yes — the Cadillac ATS earns strong marks from owners across the lineup, and the all-generations owner rating is 4.4/5 across every model year in the data. Owners consistently praise its performance, driving dynamics, luxury feel, and well-appointed interior, while recurring critiques center on rear-seat space and technology usability.

Expert reviews rate the 2016 and 2015 models among the highest across all years.

The main trade-offs are a cramped cabin, especially in the rear, plus infotainment and interior-finish complaints that show up in several years.

29.7% of listings are priced as good or great deals.

Are Cadillac ATS models reliable?

Owners consistently praise the Cadillac ATS for its strong performance, luxury feel, and engaging driving dynamics. Expert commentary also points to a polished chassis, sharp road manners, and a premium character that helps the car stand out in the compact luxury segment.

• Owners rate the Cadillac ATS between 4.2 and 5 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk centers more on cabin usability and tech frustrations than on the ATS's core driving character.

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

Across all model years, at 49.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

Key things to evaluate:

• Infotainment: Apple CarPlay
• Fuel efficiency: 21 mpg city/ 33 highway, 21/30 for an automatic rear-wheel-drive version, 20/28 with all-wheel drive, and 20/30

Which Cadillac ATS trim should I buy?

The 2016 Cadillac ATS offers these trims:

• Standard: The 2.5-liter 4-cylinder comes in Standard trim with rear-wheel drive, making it the entry point for shoppers who want the ATS experience at the lowest step.
• Luxury: Available with the 2.5-liter 4-cylinder, 2.0-liter turbo four, and 3.6-liter V6, this trim adds a more upscale setup and is a strong value choice for buyers who want broader engine availability.
• Performance: Available with the 2.0-liter turbo four and 3.6-liter V6, this trim suits shoppers who want a more athletic setup and access to available upgrades such as the heads-up display.
• Premium: The top trim brings the most complete equipment set, and it adds Magnetic Ride Control for a more composed, road-focused driving experience.

What Cadillac ATS do most buyers choose?

The Cadillac ATS years with the most listings are 2015, 2014, and 2017.

Higher-volume years tend to draw more shoppers because they usually give you more inventory to compare and more chances to find the right price, mileage, and condition combination. They also tend to be the easiest years to shop quickly when you want a broad selection.

What is the Cadillac ATS's resale value?

Most ATS model years are down year over year, which creates a friendlier buying environment for used shoppers. The sharpest drops are concentrated in the middle of the lineup, while the smallest changes appear at the ends of the range. That pattern suggests you can find stronger value in several recent model years without giving up the ATS's core appeal.

The 2014, 2018, and 2017 model years have held their value best, with the smallest year-over-year price changes.

Is the Cadillac ATS safe?

• 2016: 8/10
• 2015: 5/10

The ATS comes standard with active and passive safety features, including airbags, disc brakes, traction control, and antilock braking.

For the safest used buy, the 2016 model posts the highest confirmed score of 8/10.

Should I buy a used Cadillac ATS now?

Buy now if:

• Price trend: The 2017 model is at −6.67% versus a year ago, and the 2016 model is at −12.26%.
• Deal availability: The 2017 model has 30.7% good and great deals, and the 2016 model has 29.2%.
• Sweet-spot year: The 2015 model has the most listings at a current average price of $10,009. The Cadillac ATS offers sharp handling and a premium driving feel that make it especially appealing if you want a compact luxury sedan with character.

If you're buying used today, the 2015 model year offers the best mix of value and availability.

How does the 2015 Cadillac ATS compare to the 2015 BMW 3 Series?

Our experts score the 2015 Cadillac ATS 5.7/10 and the 2015 BMW 3 Series 7.5/10. The ATS brings a lower average used price and a slightly stronger good-and-great-deal share, while the BMW offers more listings and stronger fuel economy. If you want the more affordable entry point with a premium feel, the ATS is compelling; if you want broader inventory and a stronger overall expert score, the 3 Series has the edge.

These recommendations are based on CarGurus' proprietary market data from November 10, 2026, CarGurus experts' opinions, and generative AI.