2001 Ford Explorer Sport 4WD 2dr SUV (4.0L 6cyl 5M)
Fun to drive but too many problems. Timing chain rattle at 43K, steering wheel vibration in parking maneuvers, faulty rear window wiper, and premature rust of rear bumper and side bars. Mechanical problems are covered under certified vehicle and another extended warranty, but I'm on my own with exterior surface rusting on a 3 year old vehicle.
Performance and driver visibility.
Paint, and better quality control at time of manufacturing.