CT4
Introduced in 2019 for the 2020 model year, the Cadillac CT4 is a compact sedan offered with rear-wheel drive or all-wheel drive. It was developed as the successor to the ATS in Cadillac’s North American sedan range. The launch lineup used a turbocharged 2.0-liter four-cylinder producing 237 horsepower, while the CT4-V added a higher-output 2.7-liter turbocharged four-cylinder rated at 325 horsepower. The car combines a longitudinal engine layout, an eight- or ten-speed automatic transmission depending on the powertrain, and styling influenced by Cadillac’s larger sedans. Some catalog systems identify 2019 as the CT4’s starting year because the car was unveiled and announced during that calendar year. Its regular retail launch, however, was for the 2020 model year.
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Variants by year
Make: Cadillac · Model: CT4
2 / 2 versions shown
2019
Cadillac CT4 photos
Model summary
Data from the ScanRacer library, organized to compare versions quickly.
Model introduction
Introduced in 2019 for the 2020 model year, the Cadillac CT4 is a compact sedan offered with rear-wheel drive or all-wheel drive. It was developed as the successor to the ATS in Cadillac’s North American sedan range. The launch lineup used a turbocharged 2.0-liter four-cylinder producing 237 horsepower, while the CT4-V added a higher-output 2.7-liter turbocharged four-cylinder rated at 325 horsepower. The car combines a longitudinal engine layout, an eight- or ten-speed automatic transmission depending on the powertrain, and styling influenced by Cadillac’s larger sedans. Some catalog systems identify 2019 as the CT4’s starting year because the car was unveiled and announced during that calendar year. Its regular retail launch, however, was for the 2020 model year.
History
The CT4 arrived during a major restructuring of Cadillac’s sedan lineup. After several years of the ATS, Cadillac reorganized its naming strategy and adopted the CT4 and CT5 names for its compact and midsize sedans. The CT4 was unveiled in 2019 and sold as a 2020 model. This difference between calendar-year introduction and model-year production explains why some databases list 2019 as the beginning of the series, while Cadillac’s U.S. brochures identify the car as a 2020 CT4. At launch, the CT4 retained a sport-oriented layout with rear-wheel drive, available all-wheel drive, and a chassis tuned for responsive handling. The standard engine was a turbocharged 2.0-liter four-cylinder rated at 237 horsepower and paired with an eight-speed automatic transmission. The CT4-V used Cadillac’s turbocharged 2.7-liter dual-volute four-cylinder, producing 325 horsepower and 380 lb-ft of torque with a ten-speed automatic. This early CT4-V should not be confused with the later CT4-V Blackwing, which occupied a substantially more performance-focused position. The CT4 therefore continued the ATS’s compact sport-sedan mission while introducing newer styling, updated connectivity, and a revised trim structure. Its initial range included a regular version and a V-Series derivative, matching the two variants documented for the model.
Generations
The Cadillac CT4 does not represent a sequence of clearly separated generations within the scope covered here. It is a new series introduced in 2019 for the 2020 model year, replacing the ATS in Cadillac’s market positioning. It is therefore more accurate to describe an initial CT4 phase than to assign an unsupported numbered generation. This first phase is identified by a four-door sedan body, a compact three-box profile, and Cadillac’s late-2010s design language. Launch cars use a longitudinal engine layout and rear-wheel drive, with all-wheel drive available depending on configuration. The turbocharged 2.0-liter four-cylinder forms the entry point of the range. The turbocharged 2.7-liter four-cylinder is associated with the CT4-V and brings a higher output, a ten-speed automatic transmission, and more performance-oriented chassis calibration. Three dates are often confused in vehicle databases: the unveiling year, the model year, and the technical generation. The CT4 was revealed during 2019, but its first U.S. model year was 2020. The available evidence does not support treating Base and V as separate generations. They belong to the same launch phase and differ primarily in trim level, engine specification, equipment, and dynamic tuning.
Key differences
The Base version represents the entry point to the CT4 range. It uses the 237-horsepower turbocharged 2.0-liter four-cylinder and an eight-speed automatic transmission. Its exterior treatment is more restrained, and its setup is intended to balance everyday comfort with responsive handling. Rear-wheel drive is the reference configuration, while all-wheel drive is available depending on equipment and market specification. The CT4-V takes a more performance-oriented approach. Its turbocharged 2.7-liter four-cylinder produces 325 horsepower and 380 lb-ft of torque, paired with a ten-speed automatic transmission. It also adds V-Series-specific chassis, braking, and appearance equipment. The V designation is therefore more than an appearance package: it identifies a higher-output engine and a sportier calibration. Both variants remain four-door CT4 sedans and share the same overall platform concept. The most dependable visual clues are the V badge, sportier exhaust treatment, additional aerodynamic details, and distinctive wheels or trim. Exact equipment can vary with options, drivetrain, production location, and market, so exterior details should be used together with the VIN and factory specification rather than as sole proof of identity.
Photo recognition
The CT4 is first identified by its compact four-door sedan body and Cadillac’s vertical front-end design. Typical cues include a tall grille, slim headlamps, vertically arranged daytime-running-light elements near the front fenders, a relatively long hood, and a set-back passenger compartment. The roofline is more tightly drawn than that of a conventional family sedan. A CT4-V can usually be recognized by its V badge, more assertive exterior treatment, sport-specific wheels, and additional bumper or exhaust details. These clues are not definitive on their own because some components may be optional, market-dependent, or replaced during the vehicle’s life. Visible dual exhaust outlets, for example, are not sufficient by themselves to confirm a V-Series car. The strongest identification method combines exterior observation with factory data, including model year, engine code, transmission, and original equipment. A vehicle advertised as a “2019 CT4” should be checked carefully because 2019 generally refers to the unveiling and launch period, while the first U.S. model year was 2020. VIN-based documentation remains the safest way to confirm the exact version.
Important versions
The Base version is the reference CT4 configuration. It uses the 237-horsepower turbocharged 2.0-liter four-cylinder, an eight-speed automatic transmission, and a specification focused more on everyday usability. Rear-wheel drive is standard, with all-wheel drive available depending on equipment. The CT4-V is the performance-oriented launch variant. Its turbocharged 2.7-liter four-cylinder produces 325 horsepower and 380 lb-ft of torque, delivered through a ten-speed automatic transmission. It adds V-Series-specific chassis tuning and exterior details. It should not be confused with the later CT4-V Blackwing, a substantially more extreme model that is separate from the original CT4-V launch version.
References
- 2020 Cadillac CT4 and CT4-V BrochureCadillac
- 2020 Cadillac CT4 Technical SpecificationsCadillac Pressroom
- 2020 Cadillac CT4 Review, Pricing, and SpecsCar and Driver
- Sporty 2020 Cadillac CT4 Sedan Joins Luxury LineupConsumer Reports
- https://www.motortrend.com/news/cadillac-ending-ct4-ct5-production-in-2026motortrend.com
- https://www.rohrichcadillac.com/cadillac-research/2019-cadillac-ats-vs-2021-cadillac-ct4/rohrichcadillac.com
- https://gmauthority.com/blog/2023/08/the-story-of-how-the-cadillac-ct4-almost-didnt-exist/gmauthority.com
Frequently asked questions
- What years was the Cadillac CT4 produced?
- ScanRacer's referenced versions cover 2019.
- How many Cadillac CT4 examples are documented on ScanRacer?
- 3 published scans from 3 members, with the latest photo added in August 2026.
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