The M35 should be fine for most drivers. Its V-6 churns out fluid power with no peaky bursts or low-end sluggishness, and under hard acceleration its high-pitched whine should be music to any gearhead. Credit the engine, a longtime award winner from Infiniti parent Nissan. Dollar for dollar, the M35 provides a far richer powerband than competitors like the BMW 528i or Audi A6 3.2.