2021 Buick Enclave
Maintenance & specsVERIFIED Jun 15, 2026
The 2021 Buick Enclave takes 5W-30 Full Synthetic with a total capacity of 5 quarts (filter included). You’ll need a 15mm socket for the drain plug, torqued to 25 Nm. The OEM oil filter is the ACDelco PF64. Note: this vehicle has 2 active recalls — check the recalls section below. Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.
⚑ QUICK DIY TIPS FOR THE 2021 BUICK ENCLAVE
- Torque your drain plug to 25 Nm (18 ft-lbs) to avoid leaks or stripped threads.
- Using the OEM filter (ACDelco PF64) is recommended for warranty compliance.
- Always use 5W-30 Full Synthetic as specified by Buick — using the wrong viscosity can void your powertrain warranty.
- Check the maintenance schedule below for your next service interval.
01
Oil & Filter
02
Fluid Specifications
Transmission FluidBuy
TypeDexron VI
Capacity3.5 qt
Change interval60,000 mi
Brake FluidBuy
DOT typeDOT 3
Change interval45,000 mi
CoolantBuy
TypeDex-Cool
ColorOrange
Capacity6.5 qt
Change interval120,000 mi
Differential Fluid (rear)Buy
Type75W-90 GL-5
Capacity2 qt
Change interval60,000 mi
Differential Fluid (rear)Buy
Type75W-90 GL-5
Capacity2 qt
Change interval60,000 mi
03
Parts & Specifications
04
Maintenance Schedule
≈ every 6 months
- ▸Change Engine Oil & Filter
05
Torque Specifications
06
Safety Recalls
207
Technical Service Bulletins
466Towing & Payload
Max Towing
5,000lbs
Max Payload
1,280lbs
Curb Weight
4,400lbs
GVWR
5,700lbs
Max Tongue Weight
500lbs
Hitch Class
III
Source: manufacturer
Estimated Current Value
Original MSRP
$30,000
Private Party
$13,680–$15,120
Dealer Retail
$15,840–$18,000
Trade-In
$12,240–$13,680
Depreciation
52%
Estimated values assume average condition and mileage for vehicle age.
Source: estimated
Save by doing it yourself
A shop typically charges $70–$140 for this service. Buy the parts and save.
08
Tools & Supplies
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