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2018 Cadillac XTS Review: Reliable Full Size Luxury Sedan With Reasonable Ownership Costs

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Cathleen V | March 31, 2025
The 2018 Cadillac XTS is a full-size luxury sedan known for its spaciousness and comfortable ride. Part of the XTS's production run from 2013 to 2019, the 2018 model offered a refined experience at a more accessible price point than some competitors. Key trims included the base XTS, Luxury, Premium Luxury, and Platinum. Pricing ranged approximately from $46,000 to $73,000 new, depending on the trim and options. Its generous rear-seat legroom and large trunk made it a popular choice for livery services and those prioritizing passenger comfort.
The Good

The 2018 Cadillac XTS offers a smooth, comfortable ride appealing to those seeking relaxed cruising. Its spacious interior and user-friendly infotainment system provide a luxurious experience. From a practical standpoint, the large trunk is advantageous. Although not a sports car, its available V-Sport trim provided a performance upgrade for drivers seeking more power. For many, it represents Cadillac luxury at a reasonable value.

The Bad

Some owners have reported issues with the CUE infotainment system, including slow response times and potential screen delamination. Also, the base engine can feel underpowered for a car of its size. Potential buyers should inspect the magnetic ride control (if equipped) for leaks or malfunctions, as repairs can be costly. Fuel economy isn't a strong point, especially with the V6 engine. Overall reliability can vary.

2018 Cadillac XTS: Quick Overview

  • Engine Options:
    • 3.6L V6 (Standard): 304 horsepower
    • 3.6L Twin-Turbo V6 (V-Sport): 410 horsepower
  • Horsepower:
    • 304 hp (3.6L V6)
    • 410 hp (3.6L Twin-Turbo V6)
  • Fuel Economy (EPA Estimated):
    • 3.6L V6 (FWD): 19 mpg city / 28 mpg highway
    • 3.6L V6 (AWD): 18 mpg city / 26 mpg highway
    • 3.6L Twin-Turbo V6 (AWD): 16 mpg city / 24 mpg highway
  • 0-60 Times:
    • 3.6L V6: Around 6.8 seconds
    • 3.6L Twin-Turbo V6 (V-Sport): Around 5.2 seconds
  • Towing Capacity: Not recommended or rated for towing.
  • Trim Level Features:
    • Base XTS: 8-inch CUE infotainment system, Apple CarPlay and Android Auto, rearview camera, rear parking sensors, leatherette upholstery, dual-zone automatic climate control.
    • Luxury: Adds leather upholstery, heated and ventilated front seats, heated rear seats, lane departure warning, blind-spot monitoring, rear cross-traffic alert, automatic parking assist.
    • Premium Luxury: Adds tri-zone climate control, a head-up display, adaptive cruise control, automatic emergency braking, a panoramic sunroof.
    • Platinum: Adds semi-aniline leather upholstery, upgraded interior trim, 20-inch wheels.
    • V-Sport: Includes the twin-turbo V6 engine, Magnetic Ride Control, Brembo front brakes, unique exterior styling.

2018 Cadillac XTS Specifications

Vehicle Information
Year 2018
Make Cadillac
Model XTS
Trim -
Style Front-Wheel Drive
Type Sedan
Category Large Car
Manufacturing Details
Made In Canada
Manufacturing City OSHAWA #1
Dimensions
Doors 4-Door
Curb Weight 1823.89 kg
Gross Vehicle Weight Rating -
Overall Height 150.88 cm
Overall Length 510.29 cm
Overall Width 185.17 cm
Wheelbase Length 283.72 cm
Standard Seating 5
Engine & Performance
Engine 3.6-L V-6
Engine Size 3.6L
Engine Cylinders 6
Transmission 6-Speed Automatic
Transmission Type Automatic
Transmission Speeds 6-Speed
Drivetrain Front-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $46,395 USD
Invoice Price $44,075 USD
Delivery Charges $995 USD

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What Problems Does the 2018 Cadillac XTS Have?

The 2018 Cadillac XTS, like other model years in its production run, has faced some frequently reported problems. The CUE (Cadillac User Experience) infotainment system is a common source of complaints, with owners citing slow response times, freezing, and screen delamination (where the screen layers separate). This can affect climate control, audio, and navigation functions. Some owners have reported issues with the magnetic ride control suspension, particularly leaks in the struts, leading to expensive repairs.

Other concerns include potential issues with the transmission, particularly rough shifting or hesitation. Engine issues, while less common, have been reported, including problems with the timing chain. It is important to keep up with oil changes and follow the manufacturer's recommended maintenance schedule.

Recalls for the 2018 XTS have included issues related to the electronic parking brake and potential fuel leaks. Prospective buyers should check the vehicle's VIN with the NHTSA (National Highway Traffic Safety Administration) to ensure all applicable recalls have been addressed. While the XTS generally offers a comfortable ride, long-term reliability can be a concern, and a thorough pre-purchase inspection by a qualified mechanic is recommended.

How long will the 2018 Cadillac XTS last?

With proper maintenance, a 2018 Cadillac XTS can reasonably be expected to reach 150,000 to 200,000 miles or 10-15 years of service. Regular oil changes, fluid flushes, and timely replacement of wear items (brakes, tires, etc.) are crucial.

Long-term durability hinges on addressing known weaknesses. The CUE system's lifespan can be unpredictable, and suspension components, especially the magnetic ride control, may require attention. Rust can become a concern in regions with harsh winters. Consistent maintenance and proactive repairs can significantly extend the vehicle's lifespan.

What Technology & Safety Features are Included?

The 2018 Cadillac XTS boasts a range of tech, entertainment, driver-assistance, and safety features. Standard on all trims is the Cadillac User Experience (CUE) infotainment system with an 8-inch touchscreen, Apple CarPlay, and Android Auto compatibility. Higher trims offer navigation, a premium Bose audio system, and wireless charging.

Driver-assistance features include standard rearview camera and rear parking sensors. Available options (depending on trim) include lane departure warning, blind-spot monitoring, rear cross-traffic alert, adaptive cruise control, automatic emergency braking, and automatic parking assist. A head-up display is also available on higher trims.

Safety features include a suite of airbags, stability control, and traction control. The 2018 Cadillac XTS received good crash test ratings from the NHTSA (National Highway Traffic Safety Administration), earning a 5-star overall safety rating. The IIHS (Insurance Institute for Highway Safety) ratings vary, and should be checked on their website for the specific model year and options.

Optional features added to the base models can significantly enhance the driving experience, particularly those relating to safety and comfort.

What Colors Options are Available?

Exterior Colors
Radiant Silver Metallic
Black Raven
Red Passion Tintcoat
Crystal White Tricoat
Stellar Black Metallic
Dark Adriatic Blue Metallic
Bronze Dune Metallic
Interior Colors
Light Neutral
Jet Black
Shale
Cinnamon

2018 Cadillac XTS Prices and Market Value

When new, the 2018 Cadillac XTS ranged from approximately $46,000 for the base model to $73,000 for the Platinum trim. As a used vehicle, prices now vary widely depending on mileage, condition, and trim level. Expect to find them in the $18,000 to $35,000 range.

The XTS has depreciated significantly since new. Factors affecting resale value include mileage, condition, trim level (Platinum and V-Sport hold their value slightly better), and the presence of desirable options like the magnetic ride control and advanced safety features. The CUE system's reliability (or lack thereof) can also impact resale value.

2018 Cadillac XTS Cost of Ownership

The 2018 Cadillac XTS is moderately costly to own. Insurance premiums are typical for a luxury sedan. Fuel costs can be high, especially with the twin-turbo V6. Maintenance, including oil changes and tire replacements, is generally more expensive than for non-luxury vehicles. Repairs, particularly those related to the CUE system and magnetic ride control, can be significant. Long-term ownership requires budgeting for potential component failures, making it less economical than some alternatives.

2018 Cadillac XTS Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 40.13 liters
City Mileage 5.27 km/l
Highway Mileage 3.57 km/l

2018 Cadillac XTS 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 XTS Recalls & Defects

Service Brakes, Hydraulic:foundation Components:disc:caliper
Recall date 2018-08-30
Recall no. 18v576000
Source NHTSA
Summary General Motors LLC (Gm) IS Recalling Certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV Vehicles, GMC Terrain Vehicles, Buick Lacrosse and Regal Vehicles, Cadillac XTS and XTS Professional Vehicles and 2018 Chevrolet Malibu Vehicles. THE Rear Brake Caliper Pistons MAY Have AN Insufficient Coating Causing GAS Pockets TO Form, Potentially Reducing Rear Brake Performance.
Consequence A Reduction OF Braking Performance CAN Increase THE Risk OF A Crash.
Remedy GM Will Notify Owners, and Dealers Will Bleed THE Vehicle's Brake System, Free OF Charge. THE Recall Began October 11, 2018. Owners MAY Contact Buick Customer Service AT 1-800-521-7300, Cadillac Customer Service AT 1-800-458-8006, Chevrolet Customer Service AT 1-800-222-1020, or GMC Customer Service AT 1-800-462-8782. Gm's Number FOR This Recall IS 18279.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.

2018 Cadillac XTS Warranty

Basic
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Powertrain
Original warranty 72 months / 70,000 miles
Estimated remaining Expired
Rust
Original warranty 48 months / 50,000 miles
Estimated remaining Expired

2018 Cadillac XTS Insurance

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

How Does the 2018 Cadillac XTS Compare to Other Sedan?

The 2018 Cadillac XTS competes with other full-size luxury sedans such as the Lincoln Continental, Buick LaCrosse, and Chrysler 300. Compared to the Continental, the XTS offers a similar level of comfort and features, but the Continental generally boasts a more modern design and potentially better reliability ratings. The LaCrosse is a more affordable alternative, but lacks the XTS's luxury cachet. The Chrysler 300 provides a bolder design and available V8 power, but doesn't match the Cadillac's interior refinement.

In terms of performance, the XTS V-Sport is competitive, but not class-leading. Regarding features, the XTS offers a comprehensive suite, but the CUE system is a known weakness. Reliability is a mixed bag, with some owners reporting few issues while others experience recurring problems.

Alternatives to consider include the Lexus ES (for reliability and fuel efficiency), the Genesis G80 (for value and features), or a newer Cadillac CT5 (for a more modern driving experience). If space is paramount, the Lincoln Continental could also be a good option.

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

The 2018 Cadillac XTS is ideal for buyers prioritizing a spacious, comfortable ride and ample rear-seat legroom over outright performance or cutting-edge technology. It's a good fit for those who appreciate traditional Cadillac luxury at a more attainable price point.

Whether it's worth buying depends on individual needs and priorities. Used models represent a strong value proposition, but a thorough pre-purchase inspection is essential due to potential reliability concerns. Opting for a higher trim level like the Premium Luxury or Platinum adds desirable features, but the V-Sport's twin-turbo engine is only worthwhile for those specifically seeking more power. Consider a certified pre-owned model for added peace of mind.

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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.