Mercury Grand Marquis Oil Type & Capacity
The Mercury Grand Marquis takes 5W-20 engine oil, about 6 qt with a filter change, on 2005-2007 models. That has been the factory spec across every year we cover.
Oil by model year
| Model years | Oil type | Capacity |
|---|---|---|
| 2005-2007 | 5W-20 | 6 qt |
Capacity is with a filter change and can vary by engine - open your exact year below for the per-engine figures and our sources.
Every Grand Marquis year
Frequently asked
What kind of oil does a Mercury Grand Marquis take?
The Mercury Grand Marquis takes 5W-20 engine oil, about 6 qt with a filter change, on 2005-2007 models. That has been the factory spec across every year we cover.
How many quarts of oil does a Mercury Grand Marquis take?
About 6 qt with a filter change on 2005-2007 models. Capacity varies by engine, so check your exact year for the per-engine figure - and finish on the dipstick rather than pouring in the full amount.
Does the oil type change by year on the Mercury Grand Marquis?
No - every year we cover uses 5W-20.