Join Date: Aug 2008
Location: Nova Scotia, Canada
I replaced my Champion platinums, with NGK iridiums in my '04 2.7. Keep in mind that my car is meticulously maintained, so the Champions were only about 20,000 km old. No difference....at all. Gas mileage is the same (maybe a tiny bit worse) starting and drivability are all the same. For the substantial money difference, I wouldn't do it again....at least not with a 2.7. Next plug change, i'll be going back to the Champions. Nothing wrong with the NGK's just offered no improvement.