AN automatic transmission for its 3.0-litre, four-cylinder turbo-diesel makes the market-leading Toyota Prado an even more attractive proposition. Like most turbo-diesels, the Prado takes kindly to automatic transmission, improving refinement and driveability without noticeably affecting performance. That is only part of the story though the top-of-the-line versions also now pick up stability control and traction control to make the strong-selling Toyota one of the most technically advanced medium 4WDs.