Great car. 30 mpg on the highway and very reliable. Although I haven't owned my car for all that long I've known people that have. It's very sporty looking and a great sound system comes stock with it.
I love the new curviness of the fifth generation Celica and all of the extras that come with it like the power moonroof, locks, windows and so on.
Although the car looks like it has a lot of power, an improvement that could be made is the engine size. Also little things like the back seat size or the positioning of the cupholders with a stick.