Model family

Cadillac CT5

Choose an exact chassis or model code to open source-backed specifications, service capacities, batteries, tires, maintenance and ownership data.

2 exact codes · 18 published facts
Published configuration references

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Compare manufacturer-backed reference configurations with source-linked specifications and owner resources. Match the cited market and edition; a shared model name does not make specifications interchangeable.

Exact engineering reference

Cadillac CT5: specifications by chassis

One model name can cover different engines, grades and equipment. Compare the exact published answer for each chassis instead of applying a generic model-wide specification.

6 documented questions
Cadillac CT5: specifications by chassis. Every linked fact identifies its original source; a blank cell means no qualifying answer is published.
Owner questionCT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US2025CT5-V V-Series RWD 6DE79 1SF LGY MHS MY2025 US2025
Engine oil capacityHow much engine oil does it take?Varies by chassis5.3 US qt (5.0 L) with filter (GM TechLink MY2025 chart)General Motors / GM TechLink ↗6.0 US qt (5.7 L) with filter (GM TechLink MY2025 chart)General Motors / GM TechLink ↗
Fuel tank capacityHow much fuel does the tank hold?66.0 L (17.5 US gal), approximatelyGeneral Motors ↗66.0 L (17.5 US gal), approximatelyGeneral Motors ↗
Key fob batteriesWhich key or smart-key battery fits?CR2450 lithium or equivalent battery; insert positive side toward the back coverGeneral Motors ↗CR2450 lithium or equivalent battery; insert positive side toward the back coverGeneral Motors ↗
12V batteriesWhich auxiliary 12V battery?12-volt Absorbed Glass Mat (AGM) battery; refer to the original battery label replacement numberGeneral Motors ↗12-volt Absorbed Glass Mat (AGM) battery; refer to the original battery label replacement numberGeneral Motors ↗
Transmission fluidsWhich transmission or transaxle fluid?DEXRON ULV automatic transmission fluidGeneral Motors ↗DEXRON ULV automatic transmission fluidGeneral Motors ↗
Coolant capacitiesWhich cooling-system reference applies?Varies by chassis10.4 L (11.0 US qt), approximately, for the entire engine cooling system (2.0L L4)General Motors ↗12.1 L (12.8 US qt), approximately, for the entire engine cooling system (3.0L V6, rear-wheel drive)General Motors ↗

Each linked value opens its own manufacturer source, verification date and applicability notes. Catalog year ranges do not guarantee identical equipment in every market.

CT5 chassis / model codes

Common CT5 ownership topics

Topic hubEngine oil capacityTopic hubFuel tank capacityTopic hubKey fob batteriesTopic hub12V batteriesTopic hubEngine specificationsTopic hubCoolant capacitiesTopic hubTransmission fluids