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2026 Cadillac CT5 Specs: MPG, Gas Mileage, Engine Size & Dimensions

2020–2026 model years52 variantsUp to 27 MPG combined
Real-World MPG QuestionsBed Dimensions & Cargo SpaceService Intervals

2026 Cadillac CT5 Specs at a Glance

The 2026 Cadillac CT5 gets 26 mpg combined on the 2.0L Rear-Wheel Drive configuration, weighs 4,145 lbs, measures 193.7 in long. Figures are per configuration, not a single official number — other trims rate as low as 15 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
26 mpg (22 city / 31 hwy)
Best configuration: 2.0L · Rear-Wheel Drive · Automatic (S10) · other 2026 trims rate 15–26 mpg combined
Engine
2.0L 4-cyl
2.0L · Rear-Wheel Drive · Automatic (S10) · 3 powertrains offered
Curb weight
4,145 lbs
Heaviest recorded configuration: CT5 V-SERIES 4DR SEDAN AWD
Length
193.7 in · 74 in wide · 57.1 in tall
Wheelbase
116.1 in
NHTSA overall
5-star (2024)

2026 Cadillac CT5 trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)All-Wheel Drive213024
Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)Rear-Wheel Drive223126
Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive182721
Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive192822
Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive172620
Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive182721
Auto (S10), 8 cyl, 6.2 L8 · 6.2LAutomatic (S10)Rear-Wheel Drive132015
Man 6-spd, 8 cyl, 6.2 L8 · 6.2LManual 6-spdRear-Wheel Drive132015

Detailed Specifications

MPG & Fuel Economy

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Engine Specifications

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Annual Fuel Cost

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Transmission Specifications

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Drivetrain & Drive Type

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Vehicle Class & EPA Size Category

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Maintenance Schedule & Service Intervals

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Dimensions & Size

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Curb Weight

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NHTSA Safety Ratings

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Cadillac CT5 — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2026Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)All-Wheel Drive213024Premium Gasoline
2026Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)Rear-Wheel Drive223126Premium Gasoline
2026Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive182721Premium Gasoline
2026Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive192822Premium Gasoline
2026Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive172620Premium Gasoline
2026Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive182721Premium Gasoline
2026Auto (S10), 8 cyl, 6.2 L8 · 6.2LAutomatic (S10)Rear-Wheel Drive132015Premium Gasoline
2026Man 6-spd, 8 cyl, 6.2 L8 · 6.2LManual 6-spdRear-Wheel Drive132015Premium Gasoline
2025Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)Rear-Wheel Drive233226Premium Gasoline
2025Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)All-Wheel Drive213025Premium Gasoline
2025Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive172620Premium Gasoline
2025Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive182621Premium Gasoline
2025Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive182721Premium Gasoline
2025Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive192822Premium Gasoline
2025Auto (S10), 8 cyl, 6.2 L8 · 6.2LAutomatic (S10)Rear-Wheel Drive132015Premium Gasoline
2025Man 6-spd, 8 cyl, 6.2 L8 · 6.2LManual 6-spdRear-Wheel Drive132015Premium Gasoline
2024Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)Rear-Wheel Drive233327Premium Gasoline
2024Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)All-Wheel Drive223025Premium Gasoline
2024Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive182621Premium Gasoline
2024Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive192722Premium Gasoline
2024Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive182721Premium Gasoline
2024Auto (S10), 8 cyl, 6.2 L8 · 6.2LAutomatic (S10)Rear-Wheel Drive132116Premium Gasoline
2024Man 6-spd, 8 cyl, 6.2 L8 · 6.2LManual 6-spdRear-Wheel Drive132115Premium Gasoline
2023Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)Rear-Wheel Drive233327Premium Gasoline
2023Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)All-Wheel Drive223025Premium Gasoline
2023Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive182621Premium Gasoline
2023Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive182721Premium Gasoline
2023Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive192722Premium Gasoline
2023Auto (S10), 8 cyl, 6.2 L8 · 6.2LAutomatic (S10)Rear-Wheel Drive132116Premium Gasoline
2023Man 6-spd, 8 cyl, 6.2 L8 · 6.2LManual 6-spdRear-Wheel Drive132115Premium Gasoline
2022Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)All-Wheel Drive223025Premium Gasoline
2022Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)Rear-Wheel Drive233327Premium Gasoline
2022Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive192722Premium Gasoline
2022Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive182721Premium Gasoline
2022Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive182621Premium Gasoline
2022Auto (S10), 8 cyl, 6.2 L8 · 6.2LAutomatic (S10)Rear-Wheel Drive132216Premium Gasoline
2022Man 6-spd, 8 cyl, 6.2 L8 · 6.2LManual 6-spdRear-Wheel Drive132115Premium Gasoline
2021Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)Rear-Wheel Drive233226Premium Gasoline
2021Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)All-Wheel Drive213125Premium Gasoline
2021Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive182721Premium Gasoline
2021Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive192822Premium Gasoline
2021Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive182621Premium Gasoline
2020Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)Rear-Wheel Drive233226Premium Gasoline
2020Auto (S10), 4 cyl, 2.0 L4 · 2.0LAutomatic (S10)All-Wheel Drive213125Premium Gasoline
2020Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive182521Premium Gasoline
2020Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive182621Premium Gasoline
2020Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)All-Wheel Drive172520Premium Gasoline
2020Auto (S10), 6 cyl, 3.0 L6 · 3.0LAutomatic (S10)Rear-Wheel Drive192621Premium Gasoline

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Cadillac CT5 — Frequently Asked Questions

What is the fuel economy of the 2026 Cadillac CT5?

The Cadillac CT5 is EPA-rated at up to 27 MPG combined (23 city / 33 highway), a historical peak recorded on the 2024 model year.

What engine does the 2026 Cadillac CT5 have?

The Cadillac CT5 uses a 2.0L 4-cylinder engine paired with an Automatic transmission.

What years of the Cadillac CT5 are covered here?

This page documents 48 verified Cadillac CT5 configurations across model years 2020–2026.

Which model year of the Cadillac CT5 is the most fuel efficient?

The 2024 Cadillac CT5 holds the highest combined rating at 27 MPG; the 2020 sits lowest at 26 MPG, a difference of 1 MPG (about 4%) across the 7 rated years on file.

How many engine options does the Cadillac CT5 have?

The records list 3 distinct displacements for the Cadillac CT5 — 2L, 3L, 6.2L — which is why combined MPG varies between trims of the same year.

Is the 2026 Cadillac CT5 front-wheel drive or all-wheel drive?

The Cadillac CT5 appears in 2 drivetrain layouts across the years documented here — All-Wheel Drive, Rear-Wheel Drive — with the latest 2026 record on All-Wheel Drive.

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