How much does the 2021 Cadillac XT6 cost?

Prices have softened 14.10% compared to this time last year, making it a favorable time to shop this model year.

There are 932 listings available, which gives you a solid amount of inventory to compare across trims and equipment levels.

If you find a listing below $26,914.36, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2021 Cadillac XT6 a good car?

The 2021 Cadillac XT6 is a strong fit if you want a three-row luxury SUV that emphasizes refinement, passenger space, and everyday usability over outright excitement. It earns a 3.67/5 user rating and a 7.5/10 expert rating, and the expert score breaks down to 8.00/10 for Look and feel, 7.00/10 for Performance, 8.00/10 for Form and function, 6.00/10 for Cost effectiveness, 8.00/10 for Technology, and 8.00/10 for Safety.

The model scores 8/10 across Look and feel, Form and function, Technology, and Safety.

Its appeal comes from a spacious third row, impressive technology, and great handling, which makes it especially relevant if you want a family-friendly layout with a polished driving experience. The trade-offs are that advanced safety features are not standard and the stereo is lacking, while performance is fairly pedestrian.

With 31.7% of listings marked as good or great deals, you have some room to shop selectively rather than rushing into the first example you see.

Is the 2021 Cadillac XT6 reliable?

The 2021 Cadillac XT6 is presented as a refined, confidence-inspiring three-row SUV, but it also carries the usual caution that comes with a luxury model that can be optioned heavily. Its performance is described as smooth and easygoing, and the expert notes also point to a stable, mostly unchanged formula for the year.

The 3.6-liter V6 is described as powerful enough to get the SUV going with ease, and the nine-speed automatic is said to shift smoothly without hunting for gears. The cost-effectiveness notes also point out that the first scheduled maintenance visit is on the house.

For used buyers, the main long-term risk is that a well-equipped XT6 can become expensive to own if prior maintenance was skipped or if high-cost options need attention.

What should I look for when buying a used 2021 Cadillac XT6?

At 71.7% 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 pre-purchase inspection, especially if the SUV has been optioned with advanced driver-assistance or visibility equipment. Pay close attention to how the cabin electronics, camera systems, and driver aids function in real-world use, since those are the kinds of features that can be costly or frustrating if they are not working properly.

Key things to evaluate:

• Trim level: The Luxury trim is the most basic version, while Premium Luxury and Sport add more upscale appearance details; Premium Luxury and Sport also add lane change alert with blind-spot monitoring and rear cross-traffic alert as standard.
• Powertrain: The base model uses a 2.0-liter turbo-four with 237 horsepower and 258 pound-feet of torque, while Premium Luxury and Sport use a 3.6-liter V6 with 310 horsepower and 271 pound-feet of torque; the V6 is described as smooth and strong enough for easy acceleration.
• Safety package: The Driver Assist Package adds adaptive cruise control, automatic seat belt tightening, enhanced automatic emergency braking, and reverse automatic braking.
• Infotainment: The XT6 includes an 8.0-inch touchscreen, wireless Apple CarPlay and Android Auto, infotainment user profiles, an eight-speaker Bose audio system, satellite radio, a WiFi hot spot, six USB ports, and remote start; upgrades can add navigation and a 14-speaker Bose system.
• Fuel efficiency: The turbo-four is rated at 21 mpg city, 26 mpg highway, and 23 mpg combined with AWD, or 21 mpg city, 27 mpg highway, and 23 mpg combined with FWD; the V6 gets 19 mpg city, 26 mpg highway, and 21 mpg combined with FWD, or 18 mpg city, 25 mpg highway, and 21 mpg combined with AWD.

Which 2021 Cadillac XT6 trim should I buy?

The 2021 Cadillac XT6 is offered in 3 trim levels: Luxury, Premium Luxury, and Sport.

Here's the short version:

• Base trim: Luxury is the most affordable entry point, but it does not include the standard blind-spot monitoring and rear cross-traffic alert that come on the higher trims.
• Sweet-spot trim: Premium Luxury is the best balance if you want the stronger V6 and the added standard safety tech without jumping to the highest-priced version.
• Premium/top trim: Sport adds the most aggressive appearance treatment and comes with the V6 and AWD, but it is the priciest path and is best if you want the sportiest look rather than the lowest cost.
• Off-road trim: None of the trims is positioned as an off-road choice for typical daily driving.

Premium Luxury and Sport also include lane change alert with blind-spot monitoring and rear cross-traffic alert as standard.

Is now a good time to buy a used 2021 Cadillac XT6?

This is a moderate buyer’s market, so you can shop selectively and still find meaningful value if you compare condition and equipment carefully.

• Deal availability: 31.7% of listings are priced as good or great deals.
• Inventory: There are 932 listings available.
• Price trend: Prices have softened 14.10% compared with last year.
• Clean inventory: 71.7% of listings are accident-free.

If you find a listing below $26,914.36, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Cadillac XT6's resale value?

The current average of $26,890 sits slightly below last year's $31,304.

That price movement suggests the XT6 has softened enough to create a better entry point for you as a buyer today. For a future seller, it means resale value may be more sensitive to mileage, condition, and equipment than it would be in a stronger market.

If you buy well and keep the SUV in strong condition, you can help protect value when it is time to sell. But if you overpay now, the softer pricing trend could make it harder to recover that cost later.

Is the 2021 Cadillac XT6 safe?

The 2021 Cadillac XT6 earns a five-star frontal crash test rating from NHTSA and a four-star rollover crash test rating. The Insurance Institute for Highway Safety named the 2020 XT6 a Top Safety Pick+, and Cadillac says the 2020 model is structurally similar to this one.

It earns a 8/10 safety score from our experts.

All XT6 models come with automatic emergency braking, forward-collision alert, following-distance indicator, lane-keep assist with lane-departure warning, a high-definition rearview camera, Safety Alert Seat, IntelliBeam headlights, and rear park assist. Premium Luxury and Sport add lane change alert with blind-spot monitoring and rear cross-traffic alert as standard.

The Driver Assist Package adds adaptive cruise control, automatic seat belt tightening, enhanced automatic emergency braking, and reverse automatic braking. The lane-keep assist and lane-departure warning systems are described as struggling to read lane markings reliably, so you should test those features carefully during your drive.

Should I buy a 2021 Cadillac XT6 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 31.7% of listings are priced as good or great deals.
• At 71.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 14.10% compared with last year.
• It offers a refined, spacious, and confidence-inspiring three-row layout with strong tech and handling.

Consider the 2020 if:

• At $24,862, the 2020 costs less than the current year's $26,890 average.
• It offers stylish design and approachable pricing.

Consider the 2022 if:

• At $30,526, the 2022 costs more than the current year's $26,890 average.
• It improves comfort, equipment, and safety appeal.

The bottom line: The 2021 XT6 makes the most sense if you want the current-year balance of price, inventory, and feature content. If your priority is saving money, the 2020 is the better value path; if you want a newer-feeling package and can spend more, the 2022 is the upgrade route to compare.

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