Beside looking at the steering wheel, you can also observe the undercarriage esp when you are driving behind a RX300 and a Toyota Harrier 2.4. RX300 is AWD whereas Harrier is 2WD. Furthermore you can look at the side kerb mirror presense in the Harrier. However the latter can be remove.Originally posted by sinicker:i heard you must see the steering wheel to differentiate between them.