Buyer Research

2017 Cadillac CTS — Should You Buy One?

Typical asking price: $15,000–$23,000. There are 2 high-severity known issues you need to know before handing over a check.

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

Kestrel Take

A 2017 CTS is the third-generation car with the eight-speed automatic behind the 2.0T and the 3.6L, the twin-turbo Vsport above them, and the 640-hp CTS-V at the top. 27 complaints is a thin record — it says few people filed, not that the car is clean — but the two clusters that dominate it are serious and specific: electric power steering that quits, which GM has now recalled twice (2019 and again in 2025), and the same rear differential that leaks and fails on the 2015, here with a $4,200 dealer bill at 60,000 miles. Both are checkable in ten minutes: run the VIN for the steering recalls, and look under the back of the car for a wet pinion housing. Do those two things, then enjoy what is a genuinely good-driving sedan.

What we checked

Reconciled against public records, 2026-09-25

NHTSA holds 27 owner complaints for the 2017 Cadillac CTS, and 2 recall campaigns.

A big number here usually means a lot of these were sold, not that it is a bad vehicle — popular models collect more complaints for the same rate of trouble. So the total on its own says little. What is worth reading is the shape of it. 33% of them are about one thing — the transmission and drivetrain. That much concentration is a genuine pattern rather than background noise, and it is the first thing to check on any example you look at.

2 recall campaigns cover this model year. Recalls are repaired free, for any owner, with no time limit on most safety campaigns — but only if someone books it in. Ask the seller to show it was done, or have any dealer check the VIN; it takes them a couple of minutes and costs nothing.

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

Known Issues for the 2017 Cadillac CTS

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

Electric power steering assist fails — recalled in 2019 and again in 2025High — wallet impact

Eight of 27 complaints are the steering, and two recalls sit behind them. 19V086 covered 2016–2018 CTS for an electric power steering assist that could fail, replacing the steering gear free; 25V175 reopened the same fault in 2025 with the same remedy and letters mailed April 2025, which means a car whose seller says 'the steering recall was done' may have had only the first one. Owners describe the service-power-steering message, the wheel going heavy in traffic, and one whose wheel would not turn the way it was pointed. One owner reports the symptoms on a VIN outside both recalls. Check both campaigns on the VIN; on the drive, do a slow full-lock turn each way and feel for the assist dropping or the wheel loading up.

Repair cost: $0 with the recall — verify it was performed; $1,500–$2,800 for a steering gear outside the recall

Source: NHTSA complaints filed under steering (8); 2 NHTSA recall campaigns on this model year.

Rear differential leaks, hums and fails; eight-speed automatic shudders and jerks between first and secondHigh — wallet impact

Nine powertrain complaints and two faults inside them. The rear differential is the one the 2015 CTS is known for and the 2017 has not escaped it: a leak at the pinion, a hum that four shops could not place, then worn roll pins and pinion gear, or an outright failure at 60,000 miles that cost one owner $4,200 outside the 5-year warranty. The other is the GM eight-speed: a jerk from first to second and a shudder at highway speed, which GM addressed with a fluid change under a service bulletin and which became a class action across GM's 8L45 and 8L90 cars of this era. Look under the rear for a wet differential housing; on the drive, hold 40–70 mph on a light throttle and feel for a rumble-strip shudder; ask whether the transmission fluid was ever swapped to the revised spec.

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 (9).

Low-profile 19-inch wheel and tire package cuts sidewalls; CTS-V carbon-fibre wheels crackLow

Three complaints and two stories: 19-inch low-profile tires that go flat on ordinary potholes — one owner counted four flats in weeks, another lost a front tire on new Pirellis — and, on the CTS-V, the optional carbon-fibre wheels cracking and losing air, which the dealer replaced one at a time. Neither is a defect you can inspect out, but you can price it in: run a hand around each tire's inner sidewall for bulges and check the date code, and on a V with the carbon wheels ask for the invoice on any that were replaced.

Repair cost (estimate): $150–$400 per tire; $1,800–$3,000 per carbon-fibre wheel on the CTS-V

Source: NHTSA complaints filed under wheels and bearings (3).

CUE touchscreen fails or delaminates — one owner is on their thirdMedium

The CUE unit in the 2014–2017 CTS is the car's standing annoyance: the touch layer stops responding or the glass crazes in a spiderweb pattern from the edges, and because climate and audio live on the screen you lose more than the map. One owner here had Cadillac replace it twice. Aftermarket digitizers are far cheaper than the dealer unit. Press each corner of the screen and look at it against a dark background before you talk price.

Repair cost (estimate): $300–$1,200

Source: not yet checked against public records.

Walk-Away Red Flags

✗Service-power-steering message, or a wheel that goes heavy on a slow full-lock turn
✗Wet pinion housing or fresh drips under the rear differential
✗Rumble-strip shudder holding 40–70 mph on a light throttle
✗Either steering recall shown open on the NHTSA VIN lookup
✗CUE screen that ignores a press or shows spiderweb cracking

Good Signs

✓Both steering recalls, 19V086 and 25V175, shown closed on the VIN
✓Rear differential resealed or replaced with a dated invoice
✓Transmission fluid exchanged under the shudder bulletin, with the receipt
✓A quiet run at 40–70 mph with the radio off and clean, dry differential housing
✓CUE screen replaced, or every corner responds to a press