2021 Cadillac XT4: Recalls, Problems & MPG
Here are the deets on the 2021 Cadillac XT4: 1 recall, 12 owner complaints and up to 26 mpg combined.
Recalls
1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Seat belts, Seat belts Vehicle recall #21V649000 · 2021 · 402 vehicles
What's wrong: The rear seat belt retractors May be improperly secured with loose or missing fasteners.
Why it matters: An improperly secured seat belt retractor May not function properly in a crash, increasing the risk of injury.
The fix: Dealers will inspect and tighten the rear seat belt retractors, as necessary, free of charge. Owner notification letters were mailed on September 17, 2021.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Fuel & propulsion (4): the most common themes are won't start (2), stalls / loses power (2).
- Electrical (3): the most common themes are electrical failure (3).
- Forward collision avoidance (1): no single recurring theme in the descriptions.
- Airbags (1): no single recurring theme in the descriptions.
The 2021 Cadillac XT4 has 12 owner complaints, ranking #4 of 7 XT4 model years for complaints (about average; the typical year has 15). Complaints peaked in 2025 (4 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 33,268 miles. Neighboring years: 2020 (18 complaints, 5 recalls), 2022 (4 complaints, 1 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.0 L 4-cyl turbo | Automatic (S9) | Front-Wheel Drive | 24 | 30 | 26 | Premium |
| 2.0 L 4-cyl turbo | Automatic (S9) | All-Wheel Drive | 22 | 29 | 24 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2021 Cadillac XT4.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2021 Cadillac XT4 have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 2021 Cadillac XT4. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2021 Cadillac XT4 problems?
Owners have filed 12 complaints with NHTSA. The most-reported areas are fuel & propulsion (4), electrical (3), forward collision avoidance (1).
What gas mileage does the 2021 Cadillac XT4 get?
EPA ratings run up to 26 mpg combined (2.0 L, Automatic (S9)), across 2 engine and transmission combos.
Where can I get a 2021 Cadillac XT4 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.