2021 Hyundai Elantra specs
Every verified maintenance spec for the 2021 Hyundai Elantra in one place - tap any part for full details, replacements, and where to buy.
Battery
Group 47, 600-680 CCA (Flooded)
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Engine oil
5W-30, 4.4 qt with a filter change
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Coolant
6.2-6.6 quarts cooling-system capacity
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Wiper blades
24" driver + 18" passenger
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Headlight bulbs
Low beam 9005, high beam 9005
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Air filters
Cabin 97133-L1000, engine 28113-AA100
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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.