Question: is the zetec engine good?
Answer: The Ford Focus Zetec can be had with a choice of three petrol engines and three diesels. ... It economical at 58.9mpg but not a shade on the 1.5-litre diesel engine, which is capable of a much better 74.3mpg. Pick of the bunch is the 123bhp EcoBoost, which is fast, frugal (56.5mpg) and cheaper than the diesel.