I'm no car guy, so please excuse the naivety in this matter. I recently purchased a 1990 Toyota Supra MK3, completely stock, with 69,500 miles on it. Was a very good price too, $1550. My dad (he's a car guy, works at Land Rover down here), he drove the car before I bought it, and did a few regular checks and whatnot to make sure the car was good, considering the low price. I just used a web based MPG calculator (I work in kms and litres here), and it seems that I'm getting about 22.7 MPG. Compared to every other car at our place (3 Nissans) it's horrible. Any suggestions on whether or not this is bad/good? And how to improve? Oh btw, it's a 2litre 1G-GE engine. My parents wouldn't trust me with a faster/bigger car, which is fair, considering im 18. Thanks.