NHTSA lists 1 safety recall and 0 owner complaints for the 2018 Cadillac XTS. The EPA rates it 17–22 mpg combined, and NHTSA gives it 5 stars overall.
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.
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| XTS Auto (S6), 6 cyl, 3.6 L · Front-Wheel Drive | 19 | 28 | 22 | $2,850 | 404 |
| XTS AWD Auto (S6), 6 cyl, 3.6 L · All-Wheel Drive | 17 | 26 | 20 | $3,100 | 444 |
| XTS AWD Auto (S6), 6 cyl, 3.6 L, Turbo · All-Wheel Drive | 16 | 23 | 18 | $4,300 | 486 |
| XTS Hearse Auto (S6), 6 cyl, 3.6 L · Front-Wheel Drive | 15 | 21 | 17 | $3,650 | 525 |
| XTS Limo Auto (S6), 6 cyl, 3.6 L · Front-Wheel Drive | 15 | 21 | 17 | $3,650 | 525 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
1 safety recall as of Nov 9, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
No owner complaints were found in NHTSA data as of Nov 9, 2026.
The EPA rates the 2018 Cadillac XTS at 17–22 mpg combined, depending on engine and drivetrain (5 versions rated).
NHTSA's New Car Assessment Program gives the 2018 Cadillac XTS 5 out of 5 stars overall.