I use Sierra at 50-50%. It's environmentally friendly, i.e: non-toxic.
Green
The 2005 Ford Focus has double overhead cam (DOHC).
The 2009 Ford Focus typically uses a specific type of antifreeze known as Motorcraft Premium Antifreeze/Coolant, which is a 50/50 mixture of ethylene glycol and water. It's important to use a coolant that meets the Ford specification WSS-M97B51-A1. Always refer to the owner's manual for the exact specifications and recommendations for your vehicle.
probably dex-cool but there is antifreeze that will mix with anything they are doing away with dex-cool
2005 f250 needs the pink antifreeze if you use the green stuff you will gum up the engine and cause seriuos damage
Ford Gold or Universal Gold Antifreeze
According to the 2005 Ford Focus owners manual , for the 2.0 and 2.3 liter engines ( 5W-20 certified for gasoline engines )
Any brand of antifreeze can be used in a 2001 Ford Taurus such as Prestone. The antifreeze can be 50 50 antifreeze.
DOT 3
a g type
Ford Dealers carry the Orange colored Antifreeze for Jags
mostly the liquid type