I also recommend the TireRack for their reviews. I recently purchased a set
of Dunlop SP Sport 5000's for my Oldsmobile after reviewing several similar
tires at the TireRack. They only have about 5k miles on them so far, so I
can't really comment on tread life, but they're very quiet (much quieter
than the stock Goodyear Eagles they replaced) and handle at least as well as
the Goodyears. They're moderately sporty all-season radials, and came with
a bi-directional tread pattern in my 215-60/16 tire size. IIRC, the lower
sidewall ratios (55 series and lower) of this tire have a uni-directional
tread pattern, and might not be as quiet as mine.
1976 Cadillac Fleetwood 9-passenger sedan
1989 Audi 200TQ sedan
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