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Originally Posted by prnc_chrmng
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Why quote "Consumer Reports" magazine (to which I subscribe)? They and politicians have two things in common: they NEVER admit when they are dead wrong.
Unlike 90% of the cars that are made to run on regular gas, Lexus and Toyota V6 engines have spark advance features that let them take advantage of mid range or premium fuel both including performance and gas mileage. As the price of gas goes up - while the price differential remains the same - the percentage increase makes the cost of using regular vs premium LESS not MORE. Gas is now $4/gallon. 20 cents/400 cents = 5%. 33 vs 30 mpg = 10% (see Lexus forums). CR also said no to frequent oil changes. Toyota defied their logic by lowering the maximum oil change interval from 7,500/6 months to 5,000/6 months while extending the transmission fluid and coolant change intervals from 30,000 to 100,000 miles. Note: V6 crankcase capacity with filter change now 6.4 qts versus 5 quarts through model year 2006.
