Six-cylinder versus 3.5 V8: is the V8 worth the premium?

Enthusiasts split on whether the 3.5 V8 justifies paying two to three times the price of a six. Several long-term owners argue the lighter six-cylinder cars are more nimble, cheaper to run, and plenty quick, and that the electronic-injected V8 is fussy in traffic, while others accept the V8 commands more money.