Cadillac · CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US · 2025

Cadillac CT5 CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US Engine code

What are the engine code for the Cadillac CT5 CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US?LSY, GM engine RPO (GM TechLink MY2025 chart)

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At a glance

Vehicle
Cadillac CT5 CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US
Engine code
LSY, GM engine RPO (GM TechLink MY2025 chart)
Manufacturer source
General Motors / GM TechLink
Verified

GM engine RPO code printed in the ENGINE / RPO columns of GM TechLink's 2025 engine oil capacities chart (U.S. and Canada), CT5 rows; the order guide shows it standard in this column.

Reference details

Check before you buy or service: CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US only. US MY2025 CT5 Sport equipment group 1SE, model 6DD79 (4-door sedan); standard LSY/MQ2 verified in own-model order-guide Mechanical column E and MY2025 VIN p.12 series DP. Excludes optional F46. No sibling trim, other configuration, optional-engine, body, drive, year or market inference.

Source

GM TechLink: 2025 Engine Oil Capacities (With Filter), U.S. and Canada, January 2025General Motors / GM TechLink · en
Open manufacturer source ↗

Last verified by CarFactBook:

Same question · different chassis

Does this answer change on another CT5?

Engine code is published for these other exact codes. Compare the sourced answer and vehicle scope before using a value.

A matching number does not establish that equipment, trim, production date or regional specification is identical.

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The same question, different cars

Manufacturer documentation can give different answers for different engines, configurations and model codes. These are independently sourced entries for the same reference topic, not interchangeable parts or service instructions.

Cadillac CT5CT5-V V-Series RWD 6DE79 1SF LGY MHS MY2025 US2025
Engine codeLGY, GM engine RPO (GM TechLink MY2025 chart)Check the exact variant and source limitationsGeneral Motors / GM TechLink · verified 2026-11-07
Read the sourced answer ↗Vehicle profile →
Cadillac CT4CT4 Luxury RWD 1SB LSY MHA MY2025 US2025
Engine codeLSY, GM engine RPO (GM TechLink MY2025 chart)Check the exact variant and source limitationsGeneral Motors / GM TechLink · verified 2026-11-06
Read the sourced answer ↗Vehicle profile →
Honda VezelRU32013–2021
Engine codeLEBCheck the exact variant and source limitationsHonda Motor Co. · verified 2026-10-02
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Mazda AxelaBM5FS2013–2017
Engine codeP5-VPSCheck the exact variant and source limitationsMazda Motor Corporation · verified 2026-10-02
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What owners usually check next

Engine oil capacity5.3 US qt (5.0 L) with filter (GM TechLink MY2025 chart)12V battery12-volt Absorbed Glass Mat (AGM) battery; refer to the original battery label replacement numberSmart-key batteryCR2450 lithium or equivalent battery; insert positive side toward the back coverTransmission fluidDEXRON ULV automatic transmission fluidCoolant capacity10.4 L (11.0 US qt), approximately, for the entire engine cooling system (2.0L L4)Fuel tank capacity66.0 L (17.5 US gal), approximatelyEngine displacement2.0 L (GM TechLink MY2025 chart)Powertrain designationLSY 2.0L turbocharged I4; MQ2 ten-speed automatic; RWD (RWL)

View every owner answer for Cadillac CT5 CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US →