The Cadillac CT6 is a full-size car built from 2016 to 2020. Most were assembled in the United States — 100% of those on record. Engines offered: 4-cyl, Hybrid, V6, V8. Worth buying? It holds up well, with the usual caveat about model years at 4.0/5 — and the year you pick matters far more than the badge (best and worst years →).
What the CT6 is
The Cadillac CT6 is a full-size car that Cadillac built from 2016 to 2020 — 5 model years. It has been offered with 4-cyl, Hybrid, V6, V8 power. Its closest siblings in the Cadillac range: Deville, Fleetwood, XTS.
Where the CT6 is built
A badge says where the company is registered; the VIN says where the car was bolted together. We counted the first three characters — the manufacturer identifier — across 71 CT6s on record.
| Assembled in | Share | VIN starts with | Years seen |
|---|---|---|---|
| the United States | 1G6 | 2016-2020 |
Check your own: the first three characters of a Cadillac VIN decide which of these 1 lines your CT6 belongs to. What every character in a CT6 VIN means →
Got the full 17 characters? A free VIN check on a Cadillac CT6 adds what the decoder can't see: open recalls, theft and total-loss records, and the safety ratings for that exact build.
Cadillac CT6 tire size, oil type & owner specs
The fitment CT6 owners look up most — tires, wheels, oil and batteries. Exact wheel and tire sizes decode from your VIN or the driver's door-jamb placard; the universal items are listed below.
Exact tire, wheel, oil grade, capacity and battery group are added per trim and model year — decode your VIN above for the factory fitment. Universal items shown as-is.
What engines does the Cadillac CT6 have? Power & range
The Cadillac CT6 is offered with 4 powertrains — 3.6L 6-cyl, 4.2L 8-cyl, 2L 4-cyl, 2L 4-cyl Hybrid. Here's the lineup by engine, transmission and drivetrain — 4 for the Cadillac CT6, against one or two on most rivals.
| Engine | Displacement | Transmission | Drive | Fuel |
|---|---|---|---|---|
| V6 | 3.6L · 6-cyl | Automatic (S10) | AWD | Regular |
| V8 | 4.2L · 8-cyl | Automatic (S10) | AWD | Premium |
| 4-cyl | 2.0L · 4-cyl | Automatic (S10) | RWD | Premium |
| Hybrid | 2.0L · 4-cyl | CVT | RWD | Premium and Electricity |
Horsepower, torque and fuel-tank size decode from your VIN — exact figures vary by engine and trim.
Source: EPA fueleconomy.gov (engines, drivetrain, range, charge time). Horsepower & torque from NHTSA vPIC on VIN decode.
The CT6 by the numbers
What the federal and market records say about the Cadillac CT6. Each line opens the full breakdown by year.
| Topic | CT6 | Detail |
|---|---|---|
| Recalls | 15 campaigns | NHTSA, all years |
| Owner complaints | 76 filed | What breaks and when |
| Reliability | 4.0 / 5 | Best and worst years |
| Insurance | $1,566/yr | Estimated full coverage |
| Used value | 57 listings | What it sells for now |
Frequently asked questions
What kind of car is the Cadillac CT6?
The CT6 is a full-size car, built from 2016 to 2020. Engines offered: 4-cyl, Hybrid, V6, V8.
Where is the Cadillac CT6 made?
Across 71 cars in our records the split is: the United States (100%). The first three characters of a VIN identify the plant's manufacturer and country — that is where these shares come from, not from a press release.
What is the Cadillac CT6 warranty?
New models carry 4 years / 50,000 miles basic cover and 4 years / 50,000 miles on the powertrain. Worth knowing: across our complaint records the typical car reaches the halfway point of its faults at five years, so most repairs land after the basic warranty ends.
Is the CT6 reliable?
It scores 4.0/5 in our data. The honest answer depends on the year far more than the model — see the best and worst years, and when this car starts to break.
How do I check a specific CT6?
This page describes the model; it cannot tell you whether that car has an open recall or a branded title. Run its VIN against the records — free, and matched to the exact production run.
More in Cadillac
| Model | Years | Recalls | Best MPG | ForCar score |
|---|---|---|---|---|
| Cadillac Escalade | 1999–2026 | 128 | 23 mpg | 4.0/5 |
| Cadillac CTS | 2003–2019 | 75 | 25 mpg | 4.0/5 |
| Cadillac CT5 | 2020–2026 | 20 | 27 mpg | 4.5/5 |
| Cadillac XT5 | 2017–2026 | 23 | 24 mpg | 4.5/5 |
| Cadillac Deville | 1981–2005 | 50 | 19 mpg | 3.5/5 |
| Cadillac Eldorado | 1981–2002 | 40 | 21 mpg | 4.0/5 |