Used 2015 Cadillac ATS for SaleNationwide

How much does the 2015 Cadillac ATS cost?

Prices have softened 9.22% compared to this time last year, making it a favorable time to shop this model year.

There are 331 listings available, which gives you a modest amount of inventory to compare.

Is the 2015 Cadillac ATS a good car?

Yes — it earns 5/5 from users and 5.7/10 from our experts. The 2015 Cadillac ATS is presented as a compact luxury sedan with a strong sensory appeal and a more distinctive personality than many shoppers expect from Cadillac. The expert test-drive notes also frame it as a car that reflects the brand’s effort to sharpen its engineering, design, and materials.

The model scores 9/10 across Look and feel and Performance.

That combination makes it especially appealing if you want a compact luxury sedan with a driver-focused feel and a more modern, carefully considered identity. 26.9% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2015 Cadillac ATS reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction.

The expert notes describe the ATS as a car that can deliver impressive driving dynamics, but they also point to a premium-car ownership experience that can be frustrating if you expect easy-to-use tech and a more forgiving ride. The performance commentary emphasizes that the chassis is brilliant, with steering, brakes, and handling that stand out, while the cost-effectiveness notes suggest the ATS can be hard to justify if you’re focused on value and long-term practicality.

The performance notes also say the 6-speed automatic is satisfying and that the car’s mechanical execution is strong, which supports confidence in the way it drives over time. For used buyers, the bigger long-term risk is less about outright capability and more about whether you’re comfortable living with the ATS’s premium pricing, tech quirks, and ownership tradeoffs.

What should I look for when buying a used 2015 Cadillac ATS?

At 46.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and then prioritize a thorough pre-purchase inspection, especially if you’re considering a higher-mileage example or one with multiple owners. Pay close attention to bodywork quality, signs of prior repair, and whether the car’s equipment matches the trim level you’re shopping.

Key things to evaluate:

• Trim level: The base setup is missing some features that are expected at this price point, and the Premium collection adds the performance-tuned Magnetic Ride Control suspension. The Safety content also shows that some driver-assistance features are not standard on lower collections.
• Powertrain: The ATS can be had with a turbocharged 4-cylinder or an available 3.6-liter V6, and the V6 is described as the engine of choice for refinement. The turbocharged 4-cylinder is more fuel-efficient and still strong, but it can sound strained when driven hard.
• Safety package: Cadillac offers forward-collision warning, lane-departure warning, lane-keeping assist, and blind-spot monitoring, but availability depends on collection and option package. Some features require stepping up to higher trims or adding bundled options.
• Infotainment: The CUE system is described as frustrating to use, with voice recognition that struggles and text-message functions that are awkward to access.
• Fuel efficiency: The turbocharged 4-cylinder is described as returning 24 mpg in combined driving.

Which 2015 Cadillac ATS trim should I buy?

The 2015 Cadillac ATS is offered in 3 trim levels: Standard collection, Luxury collection, and Performance collection.

Here's the short version:

• Standard collection: This is the entry point, but the content makes clear that you may need to spend more to get the ATS to the level many luxury shoppers expect. It makes sense only if you’re focused on the lowest starting point and plan to be selective about options.
• Luxury collection: This is the trim you need at a minimum if you want access to the safety-package path described in the content. It’s the better starting point if safety equipment matters to you.
• Performance collection: This is the best-value choice if you want the ATS’s strongest mix of equipment and safety content, since the standard safety features are included here. It also aligns best with the car’s driver-focused character.

The safety content notes that forward-collision warning, lane-departure warning, and lane-keeping assist are standard on the Performance and Premium collection models, while blind-spot monitoring is also offered there.

Is now a good time to buy a used 2015 Cadillac ATS?

This is a moderate, selective buyer’s market, so you can shop carefully and still find opportunities.

• Deal availability: 26.9% of listings are priced as good or great deals.
• Inventory: There are 331 listings available.
• Price trend: Prices have softened 9.22% compared with last year.
• Clean inventory: 46.2% of listings are accident-free.

If you find a listing below $10,040, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2015 Cadillac ATS's resale value?

The current average of $10,040 sits slightly below last year's $11,060.

That decline suggests the ATS has softened in the used market, which can be good news if you’re buying now but less favorable if you’re planning to sell soon. A lower current average price can also mean your future resale upside may be limited unless you buy well and keep the car in especially strong condition.

Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.

Is the 2015 Cadillac ATS safe?

The 2015 Cadillac ATS earns five-star ratings in every assessment the NHTSA conducts on new cars, including rollover resistance.

It earns a 5/10 safety score from our experts.

Cadillac makes forward-collision warning easy to get, and the ATS can also be equipped with lane-departure warning, lane-keeping assist, and blind-spot monitoring depending on collection and package. The main caveat is that some of these features are not standard on lower trims, so you need to verify exactly what’s installed on the used example you’re considering.

Should I buy a 2015 Cadillac ATS or consider a different year?

If you're weighing the 2015 against nearby model years, here's how to think about it:

Choose the 2015 if:

• 26.9% of listings are priced as good or great deals.
• At 46.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 9.22% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• The 2015 ATS is presented as a compact luxury sedan with a strong sensory appeal and a more distinctive personality than many buyers expect from Cadillac.

Consider the 2016 if:

• At $11,094, the 2016 costs more than the current year's $10,040 average.
• It adds a more potent, fuel-efficient engine and a better infotainment system.

The bottom line: If you want the lower purchase price and can live with the 2015’s tech and packaging compromises, this year makes sense. If you’re willing to spend more for a newer version with better infotainment and a stronger upper-trim setup, the 2016 is the cleaner upgrade path.

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 is the more emotionally engaging car, with stronger look-and-feel and performance scores, while the BMW brings better overall balance and stronger value signals in the market. If you care most about driving character, the Cadillac has appeal; if you want the more complete luxury sedan, the BMW is the safer bet.

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