Lean towards X5 and RX300 for obviously higher standard building material and attention to details in the car. Is 02 X5 more reliable compared to 2000 and 2001 modles? I mean major problems such as stalling, electornic/electric problem. What is rpm for 3.0 X5 at 75mph. RX300 does it at almost 3000. It's high but it's got 4 speed auto.