The 2026 Cadillac CT4 with the standard 2.0L turbocharged 4-cylinder engine delivers an estimated 22 MPG in the city and 32 MPG on the highway, providing a combined 26 MPG. If you’re seeking more spirited performance, the CT4-V steps up with a 2.7L turbocharged engine, offering around 20 MPG in the city and 29 MPG on the highway. For drivers who prioritize power, the CT4-V Blackwing’s 3.6L twin-turbo V6 brings robust performance along with an estimated 15 MPG city and 23 MPG highway.

• Standard CT4 (2.0L Turbo): 22 MPG City / 32 MPG Highway / 26 MPG Combined
• CT4-V (2.7L Turbo): 20 MPG City / 29 MPG Highway / 23 MPG Combined
• CT4-V Blackwing (3.6L Twin-Turbo V6): 15 MPG City / 23 MPG Highway / 18 MPG Combined

Specials and Offers

The 2026 Cadillac CT4 is built for long hauls and efficient driving with a generous 17.0-gallon fuel tank across all trim levels. This capacity allows drivers to enjoy extended driving time between fill-ups, enhancing convenience during both short trips and longer adventures.

• Fuel Tank Capacity: 17.0 Gallons

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Thanks to its efficient fuel use and large fuel tank, the 2026 Cadillac CT4 delivers an impressive driving range. The standard CT4 can travel up to approximately 544 miles on the highway or around 374 miles in the city on a full tank. The CT4-V achieves about 493 miles on the highway and 340 in the city, while the high-performance CT4-V Blackwing offers a highway range near 391 miles and a city range of around 255 miles. This allows for flexibility and confidence, no matter where your journey takes you.

• Standard CT4: Up to 544 Miles Highway / 374 Miles City
• CT4-V: Approximately 493 Miles Highway / 340 Miles City
• CT4-V Blackwing: Around 391 Miles Highway / 255 Miles City

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