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2018 Cadillac ATS Overview, Reviews, Ratings & Specs

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Cathleen V | March 31, 2025
The 2018 Cadillac ATS aimed to deliver a sporty and luxurious driving experience. Available as a sedan and coupe, it represents the final year of ATS production. Key trims include the base model, Luxury, Premium Luxury, and Premium Performance. Its crisp handling, available powerful engines, and stylish design made it a popular choice among drivers seeking a more engaging alternative to established European rivals. Pricing ranged from around $35,000 to $50,000 when new.
The Good

The 2018 Cadillac ATS offers a compelling blend of sharp handling and available potent engines, appealing to performance enthusiasts. Its striking design and comfortable interior provide a luxurious feel. While not class-leading in reliability, it can offer good value on the used market. Fuel efficiency varies depending on the engine choice, appealing to both emotional and practical sides of car buyers.

The Bad

Some common concerns with the 2018 Cadillac ATS include potential issues with the CUE infotainment system, which can be slow or glitchy. Also, be aware of potential oil consumption issues, especially with the turbocharged engines. The rear seat can feel cramped for taller passengers, and some interior materials may not feel as premium as competitors.

2018 Cadillac ATS: Quick Overview

2018 Cadillac ATS Key Specs:

  • Engine Options:
    • 2.0L Turbocharged I4: 272 hp
    • 3.6L V6: 335 hp
  • Horsepower: 272 hp - 335 hp, depending on engine.
  • Fuel Economy (Estimated):
    • 2.0L Turbo: 22 city / 31 highway MPG (RWD)
    • 3.6L V6: 20 city / 30 highway MPG (RWD)
  • 0-60 Times:
    • 2.0L Turbo: Around 5.7 seconds
    • 3.6L V6: Around 5.4 seconds
  • Towing Capacity: Not recommended or rated for towing.
  • Trim-Level Features:
    • Base: CUE infotainment system with 8-inch touchscreen, Apple CarPlay and Android Auto, rearview camera, dual-zone climate control, keyless entry.
    • Luxury: Adds leather upholstery, driver awareness package (blind-spot monitoring, lane departure warning), Bose premium audio system, heated front seats, and steering wheel.
    • Premium Luxury: Adds navigation, wireless charging, magnetic ride control, and head-up display.
    • Premium Performance: Enhanced performance features, sport-tuned suspension, performance seats, and unique styling elements.

2018 Cadillac ATS Specifications

Vehicle Information
Year 2018
Make Cadillac
Model ATS
Trim -
Style Rear-Wheel Drive 2.0-T
Type Sedan
Category Compact Car
Manufacturing Details
Made In United States
Manufacturing City LANSING - GRAND RIVER
Dimensions
Doors 4-Door
Curb Weight 1729.09 kg
Gross Vehicle Weight Rating -
Overall Height 139.19 cm
Overall Length 466.34 cm
Overall Width 184.15 cm
Wheelbase Length 277.62 cm
Standard Seating 4
Engine & Performance
Engine 2.0-L I4
Engine Size 2L
Engine Cylinders 4
Transmission 8-Speed Automatic
Transmission Type Automatic
Transmission Speeds 8-Speed
Drivetrain Rear-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $40,295 USD
Invoice Price $38,280 USD
Delivery Charges $995 USD

Vehicle History Report

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Analysis

What Problems Does the 2018 Cadillac ATS Have?

The 2018 Cadillac ATS, like many vehicles, has some frequently reported problems. One common concern revolves around the CUE infotainment system. Owners have reported sluggish performance, freezing screens, and unresponsiveness. This issue seems prevalent across multiple model years, including 2018.

Another area of concern involves potential oil consumption, especially in models equipped with the turbocharged 2.0L engine. Regular monitoring of oil levels is crucial. Some owners have also reported issues with the automatic transmission, including rough shifting or hesitation.

While specific recall information should be checked with the NHTSA (National Highway Traffic Safety Administration) website using the vehicle's VIN, common recalls for vehicles of this era often relate to issues like airbag systems or fuel system components. Long-term reliability can be affected by these issues, so pre-purchase inspections by a qualified mechanic are highly recommended. Addressing these potential problems proactively can significantly impact the ownership experience.

How long will the 2018 Cadillac ATS last?

With proper maintenance, a 2018 Cadillac ATS can realistically provide 150,000-200,000 miles or 10-15 years of service. However, achieving this lifespan depends heavily on consistent maintenance, including regular oil changes, fluid checks, and addressing any mechanical issues promptly. Weaknesses over time often include wear and tear on suspension components, potential rust in colder climates, and the gradual degradation of electronic components like the CUE system. Vigilant upkeep is key to maximizing the ATS's long-term durability.

What Technology & Safety Features are Included?

The 2018 Cadillac ATS comes equipped with a solid suite of technology and safety features. Standard tech includes the Cadillac User Experience (CUE) infotainment system with an 8-inch touchscreen, Apple CarPlay and Android Auto compatibility, and a rearview camera. Entertainment is provided via standard premium audio systems.

Driver-assistance features, depending on the trim level, include options such as forward collision alert, lane departure warning, blind-spot monitoring, rear cross-traffic alert, and adaptive cruise control. Higher trims often offer a head-up display for added convenience. Optional safety features encompass automatic emergency braking and lane keep assist.

Safety is a priority, and the ATS generally performs well in crash tests. Check the IIHS (Insurance Institute for Highway Safety) and NHTSA websites for specific crash-test ratings for the 2018 model year. These ratings provide valuable insights into the vehicle's ability to protect occupants in various collision scenarios.

What Colors Options are Available?

Exterior Colors
Black Raven
Crystal White Tricoat
Red Obsession Tintcoat
Phantom Gray Metallic
Stellar Black Metallic
Bronze Dune Metallic
Cinnamon Bronze Metallic
Interior Colors
Light Neutral
Jet Black
Morello Red
Kona Brown

2018 Cadillac ATS Prices and Market Value

When new, the 2018 Cadillac ATS ranged from around $35,000 for the base model to over $50,000 for the top-tier Premium Performance trim. As a used vehicle, prices now typically range from $18,000 to $30,000, depending on condition, mileage, and trim level. The ATS has depreciated significantly since its original MSRP. Factors influencing resale value include the vehicle's condition, mileage, accident history, and the desirability of its specific trim level and options. Models with lower mileage and a clean history command higher prices.

2018 Cadillac ATS Cost of Ownership

The 2018 Cadillac ATS falls into the middle ground in terms of ownership costs. Insurance premiums are likely higher than those for more mainstream sedans. Fuel costs depend on the engine choice, with the V6 consuming more fuel. Maintenance can be moderate, but repairs, especially for the CUE system or more complex components, can be expensive. Overall, the ATS is not the most economical choice but offers a balance between luxury and performance with associated ownership costs. Budgeting for potential repairs is advisable.

2018 Cadillac ATS Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 35.22 liters
City Mileage 4.55 km/l
Highway Mileage 3.23 km/l

2018 Cadillac ATS Safety Rating

NHTSA
Overall Rating
Overall Frontal Star Rating
Side Overall Star Rating
Overall Rollover Star Rating
Combined Front Seat Rating
Combined Rear Seat Rating
Overall Frontal Star Rating
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating
Side Barrier Star Ratings
Side Pole Star Rating
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating

2018 Cadillac ATS Warranty

Basic
Original warranty 0 months / No data
Estimated remaining Expired
Powertrain
Original warranty 0 months / No data
Estimated remaining Expired
Rust
Original warranty 0 months / No data
Estimated remaining Expired

2018 Cadillac ATS Insurance

Insurance for a 2018 Cadillac ATS is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2018 Cadillac ATS Compare to Other Sedan?

The 2018 Cadillac ATS competes with the BMW 3 Series, Audi A4, Mercedes-Benz C-Class, and Lexus IS. In terms of performance, the ATS offers comparable handling to the 3 Series, arguably a more engaging driving experience than the C-Class and IS, but the Audi A4 often feels more planted and refined. Features are competitive, though the CUE system can be less intuitive than some rivals' infotainment systems. Reliability is where the ATS lags behind the Lexus IS and potentially the Audi A4.

In terms of price, the used ATS often represents good value compared to its German counterparts. Alternatives to consider include the Lexus IS for superior reliability, the BMW 3 Series for benchmark driving dynamics, or the Audi A4 for a refined and well-rounded package. Depending on individual priorities, the ATS can be a compelling choice, but its reliability should be carefully considered compared to the alternatives. A thorough inspection is crucial.

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4 2024 Subaru Legacy (5.0★)
5 2022 Mazda MX-30 (4.0★)
6 2024 BMW M3 (0.0★)
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8 2023 Mercedes-Benz AMG GT (0.0★)
9 2023 Audi A3 (0.0★)
10 2023 Chevrolet Camaro (5.0★)
11 2023 Hyundai Elantra Hybrid (0.0★)
12 2023 Nissan Altima (4.0★)
1493 2018 Cadillac ATS (0.0★)

Final Verdict: Is the 2018 Cadillac ATS a Good Sedan?

The 2018 Cadillac ATS is ideal for drivers seeking a stylish and sporty compact sedan with a touch of luxury. It's worth buying used if you prioritize performance and handling over absolute reliability. A pre-purchase inspection is essential to identify potential issues. The Premium Luxury or Premium Performance trims offer the most desirable features. Consider a well-maintained model with lower mileage. If long-term reliability is paramount, alternatives like the Lexus IS might be a better choice. However, the ATS provides a unique blend of American style and engaging dynamics at a competitive price point in the used market.

2018 Cadillac ATS Owner Reviews

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Cathleen V

Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.