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2015 GMC Sierra 2500HD specs

Every verified maintenance spec for the 2015 GMC Sierra 2500HD in one place - tap any part for full details, replacements, and where to buy.

Engine oil
5W-30/5W-40, 6 qt with a filter change
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Coolant
17-28.5 quarts cooling-system capacity
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Wiper blades
22" driver + 22" passenger
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Shop parts for your 2015 GMC Sierra 2500HD

Each link searches Amazon for the exact spec above. Confirm the fit against your trim and the part you are replacing before you buy.

Engine oil5W-30, 6 qtShop CoolantMatch the type in your manualShop Wiper blades22" and 22"Shop

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More for this car

Maintenance scheduleRecallsOwner complaintsOil light resetTire pressure light reset

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.