Cadillac

Cadillac CT4

Photo: Mr.choppers / Wikimedia Commons · CC BY-SA 3.0

The official data lists 40 versions of the Cadillac CT4 (2020–2026), in the United States and Canada. Each market publishes its own figures, measured on its own test procedure.

At a glance

Years in the data: 2020–2026
Markets: United States, Canada
Engines: 2.0 L to 3.6 L
Fuels: Petrol
Lowest consumption (United States): 8.7 L/100 km (EPA)
Lowest consumption (Canada): 8.7 L/100 km (5-cycle)

What is the Cadillac CT4?

The CT4 is a compact luxury four-door sedan at the smaller end of Cadillac’s sedan range. Its compact format suits city driving and daily commutes, while the sedan body also works well for longer journeys. Its angular styling carries Cadillac’s design language into a smaller car.

Generation and engines

The first generation began in 2020. US and Canadian figures cover petrol engines from 2.0 L to 3.6 L. Cadillac also offers sportier CT4-V versions under its V-Series name.

How economical is the Cadillac CT4?

The lowest listed consumption is 8.7 L/100 km in both US EPA and Canadian figures. The best combined EPA rating is 27 MPG. Test procedures differ by market: the US uses EPA testing, Canada uses the 5-cycle test, and European figures use WLTP or NEDC.

Where was the CT4 sold?

US and Canadian figures cover the CT4 from 2020–2026, with 19 versions listed in the US and 21 in Canada.

Questions and answers

What body style is the Cadillac CT4?

It is a compact luxury four-door sedan.

What engine sizes are listed for the CT4?

Petrol engines from 2.0 L to 3.6 L in US and Canadian figures.

What is the CT4’s lowest listed consumption?

8.7 L/100 km in both the US EPA and Canadian figures.

CT4 first generation (since 2020)

Cadillac CT4 first generation — Photo: Mr.choppers / Wikimedia Commons · CC BY-SA 3.0

Model codes: Alpha 2, A2SL · References: en.wikipedia.org, gmauthority.com

United States 19 versions

Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.

Years and version	Engine	Fuel	Gearbox	Drive	Consumption (combined)	CO₂
2024–2026SIDI	2.0 L	Petrol	8-speed automatic	Rear-wheel drive	26 MPG (9.0 L/100 km) EPA	214 g/km
2024–2026SIDI	2.0 L	Petrol	8-speed automatic	All-wheel drive	25 MPG (9.4 L/100 km) EPA	222 g/km
2021–2026SIDI	2.7 L	Petrol	10-speed automatic	Rear-wheel drive	25 MPG (9.4 L/100 km) EPA	221 g/km
2022–2026SIDI	2.7 L	Petrol	10-speed automatic	All-wheel drive	23 MPG (10.2 L/100 km) EPA	240 g/km
2023–2026SIDI	2.7 L	Petrol	10-speed automatic	All-wheel drive	24 MPG (9.8 L/100 km) EPA	231 g/km
2025–2026SIDI	2.7 L	Petrol	10-speed automatic	Rear-wheel drive	23 MPG (10.2 L/100 km) EPA	238 g/km
2022–2026SIDI	3.6 L	Petrol	10-speed automatic	Rear-wheel drive	19 MPG (12.4 L/100 km) EPA	297 g/km
2025–2026SIDI	3.6 L	Petrol	6-speed manual	Rear-wheel drive	18 MPG (13.1 L/100 km) EPA	306 g/km
2020–2024SIDI	2.7 L	Petrol	10-speed automatic	Rear-wheel drive	23 MPG (10.2 L/100 km) EPA	239 g/km
2022–2024SIDI	3.6 L	Petrol	6-speed manual	Rear-wheel drive	18 MPG (13.1 L/100 km) EPA	303 g/km
2022–2023SIDI	2.0 L	Petrol	8-speed automatic	Rear-wheel drive	27 MPG (8.7 L/100 km) EPA	206 g/km
2022–2023SIDI	2.0 L	Petrol	8-speed automatic	All-wheel drive	26 MPG (9.0 L/100 km) EPA	216 g/km
2022SIDI	2.7 L	Petrol	10-speed automatic	All-wheel drive	24 MPG (9.8 L/100 km) EPA	233 g/km
2020–2021SIDI	2.0 L	Petrol	8-speed automatic	All-wheel drive	26 MPG (9.0 L/100 km) EPA	213 g/km
2020–2021SIDI	2.0 L	Petrol	8-speed automatic	Rear-wheel drive	27 MPG (8.7 L/100 km) EPA	203 g/km
2021SIDI	2.7 L	Petrol	10-speed automatic	All-wheel drive	24 MPG (9.8 L/100 km) EPA	232 g/km
2021SIDI	2.7 L	Petrol	10-speed automatic	All-wheel drive	23 MPG (10.2 L/100 km) EPA	239 g/km
2020SIDI	2.7 L	Petrol	10-speed automatic	Rear-wheel drive	24 MPG (9.8 L/100 km) EPA	232 g/km
2020SIDI	2.7 L	Petrol	10-speed automatic	All-wheel drive	23 MPG (10.2 L/100 km) EPA	237 g/km

Canada 21 versions

Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).

Years and version	Engine	Fuel	Gearbox	Consumption (combined)	CO₂
2024–2026Compact	2.0 L	Petrol	8-speed automatic	9.1 L/100 km 5-cycle	214 g/km
2024–2026Compact	2.0 L	Petrol	8-speed automatic	9.5 L/100 km 5-cycle	223 g/km
2021–2026Compact	2.7 L	Petrol	10-speed automatic	9.5 L/100 km 5-cycle	221 g/km
2022–2026Compact	2.7 L	Petrol	10-speed automatic	10.4 L/100 km 5-cycle	244 g/km
2023–2026Compact	2.7 L	Petrol	10-speed automatic	9.9 L/100 km 5-cycle	231 g/km
2026Compact	2.7 L	Petrol	10-speed automatic	10.1 L/100 km 5-cycle	238 g/km
2022–2026Compact	3.6 L	Petrol	10-speed automatic	12.6 L/100 km 5-cycle	297 g/km
2025–2026Compact	3.6 L	Petrol	6-speed manual	12.9 L/100 km 5-cycle	303 g/km
2024–2025Compact	2.7 L	Petrol	10-speed automatic	10.2 L/100 km 5-cycle	236 g/km
2022–2024Compact	3.6 L	Petrol	6-speed manual	13.0 L/100 km 5-cycle	303 g/km
2022–2023Compact	2.0 L	Petrol	8-speed automatic	8.8 L/100 km 5-cycle	206 g/km
2022–2023Compact	2.0 L	Petrol	8-speed automatic	9.2 L/100 km 5-cycle	216 g/km
2022–2023Compact	2.7 L	Petrol	10-speed automatic	10.2 L/100 km 5-cycle	239 g/km
2022Compact	2.7 L	Petrol	10-speed automatic	10.0 L/100 km 5-cycle	233 g/km
2020–2021Compact	2.0 L	Petrol	8-speed automatic	8.7 L/100 km 5-cycle	203 g/km
2020–2021Compact	2.0 L	Petrol	8-speed automatic	9.1 L/100 km 5-cycle	213 g/km
2020–2021Compact	2.7 L	Petrol	10-speed automatic	10.0 L/100 km 5-cycle	234 g/km
2021Compact	2.7 L	Petrol	10-speed automatic	9.9 L/100 km 5-cycle	232 g/km
2021Compact	2.7 L	Petrol	10-speed automatic	10.2 L/100 km 5-cycle	239 g/km
2020Compact	2.7 L	Petrol	10-speed automatic	9.9 L/100 km 5-cycle	232 g/km
2020Compact	2.7 L	Petrol	10-speed automatic	10.2 L/100 km 5-cycle	238 g/km

Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.