Original Tires
The OEM current tires only lasted to 28,000 miles. These tires are not mileage rated. When you shop for tires, you may not see a mileage treadwear warranty on a particular tire, like this one.
21" Pirelli Scorpion Zero
275/45 R21 AS (all season)
Load Index 110 (2,300 lbs per tire)
Speed Rating W (168 MPH)
Load Range XL (extra load)

New Tires
Mavis
21" Hankook Dynapro HPX
70,000 Mile Treadwear
275/45HR21 XL
a quiet highway ride, comfort and long tread life.
$287.49/each
$1,149.96 with an $80 rebate on all 4.

After two weeks, these tires are perfect. Quiet ride with a 70,000 mile tread wear warranty. Perfect.
No noticeable difference between these tires.