Buyer Research

2019 Cadillac CTS — Should You Buy One?

Typical asking price: $21,000–$30,000. This is one of the more reliable vehicles in its class — here's what to watch for anyway.

Deciding between model years? Compare the 9 Cadillac CTS years we've written up →

Kestrel Take

The final CTS before the CT5 replaced it, and the newest one you can buy. Ten complaints and no recalls on record is a thin file, not a clean bill: it means few 2019 owners have filed, and the car underneath is the same third-generation sedan whose 2015–2018 records are full of one part, the rear differential. Sure enough, one of the ten is a differential growling with metal in the fluid at a few years old, and two more are the eight-speed shifting hard. The 2019 sits outside both electric-steering recalls that cover the 2016–2018 cars — GM's population for those campaigns ends at 2018 — so a heavy wheel on this year is a warranty question, not a recall one. Check the differential and drive the eight-speed in a car park; if both are quiet, this is a lot of car for the money.

What we checked

Checked against public records, 2026-09-25

NHTSA holds 10 owner complaints for the 2019 Cadillac CTS, and no recall campaigns.

That is too small a record to read a pattern from, so we are not going to pretend otherwise — with numbers this low one owner moves the percentage by a lot. What has been filed is grouped under the engine (3), the transmission and drivetrain (3), steering (1). Treat those as things to look at, not as the vehicle's known weaknesses. A thin file usually means few of these were sold or few owners filed. It is not evidence the vehicle is trouble-free, and the issues below are our own research rather than a reading of this record.

Counts come from the NHTSA complaint and recall database — free, public, and worth checking yourself.

Known Issues for the 2019 Cadillac CTS

Ranked by wallet impact. These are documented, recurring problems — not freak accidents. How we decide that.

Rear differential growls with metal in the fluid; eight-speed automatic shifts hard at low speedMedium

Three powertrain complaints out of ten. One owner drained a growling rear differential and found it full of metal, then found the original GM part was no longer available — this is the same differential the 2015–2018 CTS pages document as leaking and failing. The other two are the GM eight-speed: hard shifts in the low gears that lurch the car in parking lots, and one at 52,000 miles that will not change gear as it should. GM's fluid-exchange bulletin for the shudder and rough shifting applies, and the transmission was part of a class action across GM's 8L45 and 8L90 cars. Medium here because ten complaints cannot make a pattern; the part and the bill are the ones on the earlier years. Look under the rear for a wet pinion housing; drive it slowly through a car park and feel for a lurch on the 1–2 and 2–1 shifts.

Repair cost (estimate): $300–$700 to reseal or $1,800–$4,200 for a differential; $250–$500 for the transmission fluid exchange, $1,500–$3,000 for a torque converter

Source: NHTSA complaints filed under the transmission and drivetrain (3).

Check-engine light for catalytic efficiency, and a memory seat that moves on its ownMedium

The engine cluster is three complaints that are not really three engine faults: one check-engine light at 40 mph diagnosed at a parts store as the catalytic converter, one transmission report filed under engine, and one driver's seat that moves between memory presets while driving and switches its own heater on. A catalyst efficiency code on a 3.6L is worth a proper diagnosis before anyone quotes a converter, because an oxygen sensor or a misfire history can set the same light. The seat is a memory module or seat switch fault, a few hundred dollars, and easy to test — set a preset, drive ten minutes, and see whether it stays put.

Repair cost (estimate): $150–$400 for diagnosis or a sensor; $1,000–$2,500 per catalytic converter; $200–$600 for a seat module

Source: NHTSA complaints filed under the engine (3).

Electric power steering gear — outside the 2016–2018 recalls, so any failure is on youMedium

GM recalled the 2016–2018 CTS twice for an electric power steering gear that can lose assist; the 2019 is not in either population, which is why this page carries no steering recall while the 2018 page carries two. The single steering complaint on the 2019 is peeling trim on the wheel rim, not the assist. The gear is the same design, so we would not assume the 2019 is immune — we would test it: a slow full-lock turn each way in a car park, feeling for the assist dropping or the wheel loading up. A replacement gear outside any recall is a four-figure dealer job, and a dealer is who to ask about any goodwill on it.

Repair cost (estimate): $1,500–$2,800 for a steering gear

Source: not yet checked against public records.

Walk-Away Red Flags

✗Growl or hum from the rear that rises with road speed, or a wet pinion housing
✗Lurch or clunk on the 1–2 and 2–1 shifts in a car park
✗Check-engine light on, or a fresh-looking scan tool clear with the light just off
✗Memory seat that drifts from its preset during the drive
✗Wheel that goes heavy on a slow full-lock turn

Good Signs

✓Rear differential fluid changed or unit resealed with a dated invoice
✓Transmission fluid exchanged under GM's shudder bulletin, with the receipt
✓A quiet run at 40–70 mph with the radio off and a clean, dry differential housing
✓Smooth low-speed shifts through a car park in both directions
✓Cadillac dealer service history through the 4-year mark