Used Cadillac ATS for Sale near Connecticut

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 $11,369, 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 for its performance, luxury feel, and driving dynamics.

The all-generations owner rating is 4.4/5 across every model year in the data.

Owners consistently praise the ATS for its smooth acceleration, sharp handling, and premium interior materials. The cabin presentation and available sound systems also come through as recurring strengths, giving the car a polished upscale character.

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

The main trade-offs center on rear-seat space, cabin room, and technology usability, with some expert commentary also pointing to interior finish concerns and premium-fuel ownership costs.

28.2% 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 highlights its polished road manners and well-sorted chassis.

• 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 shaped most by cabin tightness, technology usability, and the need for careful history checks before you buy.

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

Across all model years, at 48.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

Key things to evaluate:

• Safety package: optional blind-spot monitoring, forward collision alerts, automatic seatbelt tightening, lane-departure warnings, and cross-traffic alerts
• Infotainment: Apple CarPlay with Cadillac CUE and an 8-inch touchscreen
• Fuel efficiency: 21 mpg city/ 33 highway for the 2.5-liter four; 21/30 for an automatic rear-wheel-drive version of the 2-liter turbo four; 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:

• Standard: The entry point for the 2.5-liter four-cylinder, with rear-wheel drive and a straightforward setup for shoppers who want the ATS experience at the lowest step.
• Luxury: Adds a more upscale feel across the lineup and is a strong value choice for buyers who want a better-equipped ATS without moving to the top end.
• Performance: Brings a more enthusiast-focused setup and is a good fit if you want a sportier ATS with more equipment.
• Premium: The best-equipped trim, with Magnetic Ride Control and the most polished driving experience in the lineup.

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 offer a wider mix of prices, trims, and listing conditions. That gives you more chances to compare options and find a car that fits your budget.

What is the Cadillac ATS's resale value?

Most model years are down year over 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 and oldest years show smaller changes.

The 2018, 2014, 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

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 −5.5% versus a year ago, and the 2016 model is at −10.44%.
• Deal availability: The 2017 model has 29.9% good and great deals, and the 2016 model has 28.4%.
• Sweet-spot year: The 2015 model has the most listings at a current average price of $10,040. The Cadillac ATS offers sharp handling and a premium driving feel that make it appealing even at lower price points.

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 more distinctive luxury feel and a stronger sense of style, while the BMW leans into broader appeal with more listings and a higher share of good and great deals. The ATS also has the lower average used price, which can make it attractive if you want a premium compact sedan at a lower entry point.

These recommendations are based on CarGurus' proprietary market data from November 3, 2026, CarGurus experts' opinions, and generative AI.