I tow a 2000 Lexus RX300. I got a letter from the local dealer stating it was towable 4 down. It is front wheel drive. Ive towed it about 35,000 miles. We also have a 2004 RX330 and it is not towable without an add on transmission fluid pump...about $1000 according to Remco.
2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS