The 2018 Ford Explorer with the 3.5-liter Ti-VCT V6 engine requires about 6 quarts (5.7 liters) of engine oil when you perform a full oil change with a new filter.
This article breaks down the official capacity, what it means for routine maintenance, and practical tips for ensuring the engine stays properly lubricated, including oil type recommendations and how to verify levels after a refill.
Official capacity for the 3.5 L Ti-VCT V6
Ford lists the oil capacity for the 2018 Explorer’s 3.5 L Ti-VCT V6 as 6.0 quarts (5.7 liters) with the oil filter replacement. This figure assumes a complete oil drain and a new filter during the oil change.
Why capacity matters
Using the correct amount ensures proper lubrication and oil pressure. Overfilling can cause foaming and excessive crankcase pressure, while underfilling can lead to inadequate lubrication and overheating.
Checking and topping up
After filling, check the level with the dipstick and adjust to the full mark. If you’re near the minimum, add small amounts and recheck to avoid overfill.
Oil type and change interval
Ford typically recommends 5W-20 viscosity for this engine in most climates, with either synthetic blend or full synthetic oil. Change intervals usually range from 5,000 to 7,500 miles depending on driving conditions and the oil grade; always follow the owner's manual for your specific climate and usage.
Practical maintenance tips
Keep a spare filter and the correct grade of oil on hand if you perform maintenance yourself. When refilling, pour slowly, check the dipstick frequently, and ensure the vehicle is on a level surface before reading the oil level.
Summary
For a 2018 Ford Explorer with the 3.5 L V6, plan on about 6 quarts (5.7 liters) of engine oil when performing a full oil change with a new filter. Use the recommended oil type and follow Ford’s change intervals, then verify the oil level on the dipstick after refilling.