Michelin Defender 2 vs Pirelli Scorpion AS 4 — the new AS 4 is out, and it is jumping straight into the mileage all-season fight. The Defender 2 is Michelin’s proven long-life benchmark, while the fresh Scorpion AS 4 aims to challenge it with a modern SUV-focused all-season package. So, can Pirelli shake up the …

