Used Cadillac ATS for Sale near Montana

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 $11,458, and its nationwide average price reached a low of $11,357 over the past year.

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, with praise centered on its performance, luxury feel, and driving dynamics. The all-generations owner rating is 4.4/5 across every model year in the data.

Owners repeatedly highlight the ATS's smooth acceleration, sharp handling, and premium cabin materials, along with its well-appointed interiors and strong sound systems. Common trade-offs include a tight cabin, limited rear-seat space, and technology that can take some getting used to.

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

The main compromises show up in cabin space, interior finish quality, and infotainment usability, especially in the years with expert coverage.

28.0% of listings are priced as good or great deals.

Are Cadillac ATS models reliable?

Owners consistently praise the Cadillac ATS for its engaging driving character, premium feel, and polished road manners. Expert commentary also reinforces its composed chassis, strong handling, and well-executed cabin design.

• 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 is best managed by checking service history carefully and prioritizing well-kept examples with clean records.

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

Across all model years, at 52% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

Key things to evaluate:

• Safety package: blind-spot monitoring systems, forward collision alerts, automatic seatbelt tightening, lane-departure warnings, and cross-traffic alerts
• Infotainment: Apple’s CarPlay and Cadillac’s CUE system
• Fuel efficiency: 21 mpg city/ 33 highway for the 2.5-liter four; 21/30 for an automatic rear-wheel-drive version, 20/28 with all wheel drive; 20/30 for the 3.6-liter V6

Which Cadillac ATS trim should I buy?

The 2016 Cadillac ATS offers these trims:

• ATS: The base 2.5-liter setup comes in Standard or Luxury trims with rear-wheel drive, and it suits you if you want the entry point into the lineup with the model's core luxury-sedan character.
• 2.0T: The midrange turbo four comes in Standard, Luxury, Performance, and Premium trims with rear- or front-wheel drive, and it stands out as the best-value choice because it adds stronger performance and broader trim availability.
• 3.6L V6: The V6 comes in Luxury, Performance, and Premium packages with rear- or all-wheel drive, and it suits you if you want the top engine with the most power and the most upscale equipment.
• ATS-V: The high-performance version is the standout performance model in the lineup, with the most aggressive capability and the most focused driving character.

What Cadillac ATS do most buyers choose?

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

Higher-volume years usually give you more shopping choice, which can make it easier to compare prices, conditions, and deal quality. They also tend to be the years you see most often on dealer lots and in private-sale listings.

What is the Cadillac ATS's resale value?

Most model years in the ATS lineup have moved down over the past year, which can work in your favor if you're shopping used. The sharpest drops are concentrated in the middle of the lineup, while the newest year in the table has changed the least. That pattern gives you several opportunities to find stronger value without moving too far downmarket.

The 2018, 2015, and 2014 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 2016 Cadillac 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 −8.86% versus a year ago, and the 2016 model is at −11.18%.
• Deal availability: The 2017 model has 28.9% good and great deals, and the 2016 model has 29.7%.
• Sweet-spot year: The 2015 model has the most listings at a current average price of $10,631.

The Cadillac ATS offers sharp handling, a premium cabin feel, and a polished driving character that make it appealing as a used luxury sedan.

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 strong value story, while the BMW offers more listings, a higher good-and-great-deal share, and stronger expert scoring. Both are compact luxury sedans, but the BMW's broader market presence gives you more shopping flexibility.

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