My 3.8L was great and got close to 30 miles a gallon...and thats with 150K+ miles on it. Seriously the only reason I sold it is because I wanted a V8! If you can find one with less tha 100K great but dont pay more than 5K for 100K+
7-8K for 50-100K miles. I can tell you from experience that the 3.8L is good for 250K+ miles. I wish you were here, my traded in V6 started at 7500, and now its at 3800 which is a steal for that car with everything Ive done to it. heck if they drop it any lower I might buy it back!