99-02 4Runners
Keep your eye out constantly because they are so popular they go fast. It took me 4 months to find two of them earlier this year. Many of them also have 200K+ miles, some even high 200's and one even had 300k on the odometer.
I found an '02 SR5 with leather and 155k and an '01 Limited with 140k. The '02 cost me $7500 and the '01 $8000. They are simply the best body style and most reliable 6 cylinder Toyota made, IMO. The '02 I hounded the owner for several months and he finally agreed to part with it but not easily as nobody wants to let these go. The '02 was listed on ebay, autotrader and craigslist and sat for a month due to the seller being unrealistic at $9500. Then he re-advertised at 9k, then 8.5k then I offered 8k and I think he was tired of showing it and agreed to my offer.
Ebay, autotrader, cargurus.com, autotempest.com, truecar.com, and your local Toyota dealers for recent trade ins.