The 2004 Acura TL underwent a significant makeover that added power to the powertrain and comfort to the interior. This model comes in 4 trims: 5 speed AT, 6 speed MT, 5 speed AT w/ navigation, and 6 speed MT w/ navigation. The MT stands for manual transmission while the AT stands for automatic transmission. Expect to get 20 mpg city/28 highway with the AT, 20 mpg city/30 highway with the MT. All 4 come with a long line of standard features, including sunroof, power windows, power door locks, power/leather seats, air conditioning, cd player, ABS brakes, traction control, and stability control.