According to the Owners Manual, a plain old 87 octane is sufficient.
See "Related Questions" below
Hi I have 1995 E320 and the grade gas I use is premium.
It's a big engine, it's bound to use a lot of gas.
RegularRegular
regular
According to the 2000 Mercury Sable Owner Guide : For the 3.0 litre " Vulcan " and " Duratec " V6 engines ( " regular " unleaded gasoline , 87 octane )
The gas which any car uses depends on the engine type and is determined by the manufacturer of the automobile. For cars that use gas, the octane (grade) ratings are normally in the manuals that come in the car.
87 octane Regular.
" regular " unleaded - 87 octane
Regular - 87
regular at best
89 octane is recommended
Most use ordinary regular grade, just like other cars.