Editor Reviews:

Product Description:
Mobil 1 Synthetic Automatic Transmission Formula (ATF) outperforms all conventional multipurpose ATFs. It provides an outstanding low-temperature fluidity and keeps the transmission clean. Mobil 1 Synthetic ATF also provides excellent gear shifting and protection under severe driving conditions and temperatures as low as 55 degrees below zero. For superior GM Dexron III, Mercon performance in all domestic and imported cars and most automotive truck transmissions.

Rating : - Seems smoother
It is hard to tell. I do not see better mileage but it shifts well and hopefully extends the life of the tranny which is my goal.