CadillacCT42026Overview/cadillac/ct4/2026/base/

2026 Cadillac CT4

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2026 CT4.

The 2026 Cadillac CT4 is the latest iteration of this compact luxury sedan, and its position in the model's reliability history is defined by a clear downward trend in complaints from 2020 through 2025. Over that period, complaints peaked at seven in 2021 before falling to a low of just two in 2025, indicating consistent improvement. As the newest model year, the 2026 CT4 enters the lineup at a point where the platform has benefited from several years of refinement, suggesting a continuation of this positive trajectory.

Model year2026202520242023202220212020

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length187.4 in
Overall width71.7 in
Overall height55.9 in
Wheelbase109.4 in
Curb weight3578 lb
Track (front / rear)60.2 / 61.8 in
Weight distribution (front / rear)54/46

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the CT4 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

4.7–5.8 sec0–60 mph (tested)quickest 4.70 sec — 2020 Premium Luxury 450T
YearTrim / engine0–60¼ mileHPDrivetrain
2023Premium Luxury 350T 2.0L Turbo I-45.80 sec14.30 sec237 hpRWD
2020Premium Luxury 450T 2.7L Turbo I-44.70 sec13.40 sec309 hpAWD
2020Premium Luxury 450T 2.7L Turbo I-45.00 sec13.70 sec309 hpAWD
2020Premium Luxury 450T 2.7L Turbo I-45.10 sec13.50 sec309 hpRWD

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

0
Open recalls
NHTSA campaigns
76
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
0
Owner complaints
0 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 76 bulletins on record with NHTSA.

BulletinDateComponentSummary
662.202026-07-06Unknown Or Other• Improves transmission diagnostic software. • Reduces unnecessary check
PIT5966F2026-06-23Unknown Or OtherThis Preliminary information communicates an issue with an OTA pending message still…
N25-2523322026-06-16Unknown Or Other• Fixes to help prevent loss of functionality for connectivity features such as OnStar…
PIT6503A2026-06-03Unknown Or OtherThis preliminary information is to inform technicians that GM is placing the B174W Front…
661.102026-05-27Unknown Or Other• Improvements to traction and stability control on uneven terrain • Improvements to…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific CT4. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 2026 CT4 have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.