Swim4tom2000 - The fusion is the fastest car stock out of the box. You can get a rtr for 379.99 at - www.harcohobbies.com. I had a 4tech don't waste your money, the chassis design is old and outdated not very adjustable or tuneable. You can make the fusion handle by getting rid of those skinny kit tires and putting some good foam tires on there. The thunder tiger 21 engine is very easy to tune that 2.5 of traxxas is very hard to tune and tends not to hold its tune. If you don't believe me just go to their website and look and see how many people are having trouble tuning this motor, so many that they had to set up a special thread to handle the complaints. Go with the fusion.