Engine oil
5.3 US qt (5.0 L) with filter (GM TechLink MY2025 chart)
Notes
XT6 Luxury FWD 1SA LSY M3G MY2025 US only. US MY2025 Cadillac XT6 Luxury FWD, equipment group 1SA, model 6NV26; standard LSY/M3G verified in own-model Mechanical column D and MY2025 VIN p.25. No cross-model, optional-engine, year or market inference. Reused R57 original TechLink MY2025 US/Canada row; oil is with-filter quantity, recheck level after filling.
Coolant
10.6 L (11.2 US qt), approximately, for the entire cooling system
Notes
XT6 Luxury FWD 1SA LSY M3G MY2025 US only. US MY2025 Cadillac XT6 Luxury FWD, equipment group 1SA, model 6NV26; standard LSY/M3G verified in own-model Mechanical column D and MY2025 VIN p.25. No cross-model, optional-engine, year or market inference.
Transmission fluid
DEXRON-VI automatic transmission fluid
Notes
XT6 Luxury FWD 1SA LSY M3G MY2025 US only. US MY2025 Cadillac XT6 Luxury FWD, equipment group 1SA, model 6NV26; standard LSY/M3G verified in own-model Mechanical column D and MY2025 VIN p.25. No cross-model, optional-engine, year or market inference.
Fuel tank
73.4 L (19.4 US gal), approximately
Notes
XT6 Luxury FWD 1SA LSY M3G MY2025 US only. US MY2025 Cadillac XT6 Luxury FWD, equipment group 1SA, model 6NV26; standard LSY/M3G verified in own-model Mechanical column D and MY2025 VIN p.25. No cross-model, optional-engine, year or market inference.