2021 Cadillac CT4 specs
Every verified maintenance spec for the 2021 Cadillac CT4 in one place - tap any part for full details, replacements, and where to buy.
Battery
Group 94R, 700-730 CCA (AGM)
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Engine oil
0W-20/5W-30, 5.3 qt with a filter change
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Wiper blades
22" driver + 18" passenger
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Headlight bulbs
Low beam LED, high beam LED
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Filters
Cabin 13356914, engine 84498926, oil 19433936
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Each link searches Amazon for the exact spec above. Confirm the fit against your trim and the part you are replacing before you buy.
BatteryGroup 94RShop Engine oil0W-20, 5.3 qtShop Wiper blades22" and 18"Shop Cabin air filterPart 13356914Shop Oil filterPart 19433936Shop
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More for this car
All specs are for distinct year/make/model configurations, each checked against a cited source. Trims and engines vary - confirm against your vehicle before buying.