2021 Cadillac CT5
US · Sedan · Midsize Cars
The 2021 Cadillac CT5 is listed in the US market as a sedan with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI)
- Power
- 335 hp (250 kW)
- Torque
- 406 lb-ft (550 Nm)
- Transmission
- 10-speed automatic
- Drivetrain
- Varies by configuration: RWD, AWD
- Fuel
- Gasoline
- Economy
- 21 mpg (11.2 L/100 km) to 26 mpg (9.0 L/100 km) combined
- Seating
- 5 seats
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI) | |
| Displacement | 2.0 L to 3.0 L | |
| Cylinders | 4 to 6 | |
| Aspiration | Turbocharged | |
| Power | 335 hp (250 kW) | |
| Torque | 406 lb-ft (550 Nm) | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Performance
| Specification | Value | Source |
|---|---|---|
| 0–100 km/h | 4.9 s | |
| Top speed | 155 mph (250 km/h) |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 10 | |
| Drivetrain | Varies by configuration: RWD, AWD |
Dimensions
| Specification | Value | Source |
|---|---|---|
| Length | 193.8 in (4,923 mm) | |
| Width | 74.1 in (1,882 mm) | |
| Height | 57.2 in (1,453 mm) | |
| Wheelbase | 116.0 in (2,946 mm) |
Weight
| Specification | Value | Source |
|---|---|---|
| Curb weight | 3,946 lb (1,790 kg) |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 21 mpg (11.2 L/100 km) to 26 mpg (9.0 L/100 km) | EPA fueleconomy.gov |
| City | 18 mpg (13.1 L/100 km) to 23 mpg (10.2 L/100 km) | |
| Highway | 26 mpg (9.0 L/100 km) to 32 mpg (7.4 L/100 km) |
Capacity
| Specification | Value | Source |
|---|---|---|
| Seats | 5 | |
| Doors | 4 |
Our sources do not publish these for this vehicle: Towing capacity, Payload, Ground clearance, Gross vehicle weight rating, Electric range, Battery capacity, Fuel tank, Cargo volume. We leave them out instead of estimating.
Trims and configurations
6 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 4 recall campaigns for this model year. Last checked November 7, 2026.
25V148000: POWER TRAIN:AUTOMATIC TRANSMISSION
General Motors LLC (GM) is recalling certain 2019-2020 Cadillac CT6, 2020-2021 CT4, CT5, and 2020-2022 Chevrolet Camaro vehicles equipped with a 10-speed transmission. The transmission may become damaged internally and cause the wheels to lock-up.
Remedy: Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at…
Reported March 6, 2025. View on NHTSA
22V903000: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The daytime running lights (DRLs) may not deactivate when the headlights are on. As such, these vehicles fail to comply with the requirements of Federal…
Remedy: The body control module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed January 23, 2023. Owners may contact GMC customer service at 1-888-988-7267,…
Reported December 8, 2022. View on NHTSA
21V611000: AIR BAGS:SIDE/WINDOW:CURTAIN
General Motors, LLC. (GM) is recalling certain 2020-2022 Cadillac CT4 and CT5 vehicles. The roof rail side-curtain air bags may not have been installed correctly, which could result in an improper air bag deployment during a crash.
Remedy: Dealers will inspect both left and right-side roof rail air bags and reinstall the air bags, as necessary, free of charge. Owner notification letters were mailed on August 30, 2021. Owners may contact Cadillac customer service at…
Reported August 5, 2021. View on NHTSA
21V421000: AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT
General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.
Remedy: The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at…
Reported June 10, 2021. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved November 4, 2026 · US Government public data
- NHTSA vPIC · retrieved October 11, 2026 · US Government public data
Source checked: November 4, 2026
Data verified: November 4, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2020 Cadillac CT5
Sedan, Gasoline
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI) · 335 hp (250 kW) · Varies by configuration: RWD, AWD
26 mpg (9.0 L/100 km) to 20 mpg (11.8 L/100 km) - 2022 Cadillac CT5
Sedan, Gasoline
Varies by configuration: 6.2L 8-cylinder supercharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI) · 335 hp (250 kW) · Varies by configuration: RWD, AWD
27 mpg (8.7 L/100 km) to 15 mpg (15.7 L/100 km)
Frequently asked questions
What engine does the 2021 Cadillac CT5 have?
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI). Engines can differ by trim, so check the trim list below.
How much horsepower does the 2021 Cadillac CT5 have?
335 hp (250 kW), as listed by our sources.
What is the fuel economy of the 2021 Cadillac CT5?
Combined fuel economy is 21 mpg (11.2 L/100 km) to 26 mpg (9.0 L/100 km), as published by the source shown in the specification table.
Is the 2021 Cadillac CT5 front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, AWD.
How many seats does the 2021 Cadillac CT5 have?
5 seats.
How long is the 2021 Cadillac CT5?
193.8 in (4,923 mm).
Are there recalls for the 2021 Cadillac CT5?
NHTSA lists 4 recall campaigns for this model year (last checked November 7, 2026). Details are in the Recalls section.