2006 Mazda Mazda6 s Grand Touring 4dr Sedan (3.0L 6cyl 6A)
There certainly is a lot of road noise. I even took my 06 in for a front-end alignment and tire rebalancing at less than 3000 miles. Unfortunately, it was to no avail. Perhaps the factory 18" Bridgestone tires are the cause. I don't know.