HPI and REVOS are pretty good.
There isn't really an "average price" unless you specify the size you are seeking. They make nitro rc engines for cars, they also make them for airplanes, so you would need to be more specific.
There are many companies that make Nitro RC cars. These companies include: Hobby Town USA, Traxxas, Exceed RC, and many other big businesses. The best Nitro RC car company is Traxxas. They have the best RC cars available but are very expensive.
RC Nitro cars are remote control toy cars that people use or race as hobbies. The best place to buy a RC Nitro car is at a store that carries the car and the best time is when it is on sale for the cheapest price.
www.nitrorcx.com has facts for beginners and advanced nitro rc enthusiasts. They support forums on their web site for people sharing their personal experience with the brand name vs generic parts debate.
If it is NITRO powered you use anywhere from 20% nitro fuel to 33% nitro fuel. Traxxas top fuel is the best fuel for nitro cars.
Traxxas R/C cars and trucks preferebly nitro 4X4 TRUCKS or the Traxxas nitro sport.
RC Nitro CarsNitroRCX.com has the one speed nitro rc buggy for $119. See the related links below for two other sites you can buy inexpensive RC Nitro cars.
nitro as it will get a better boost
Traxxas, but the prices are HUGE up to 900
There are several websites that one could get help building a nitro RC truck. These websites include RC Car Action, YouTube, RC Vehicles, and Nitro RC Car.
The best types of RC cars are traxxes,madstorm,hipper,and ofna,but the best for me is traxxas.Beginer they need to start with a madstorm nitro car.
Nitro gas rc airplanes are a fun hobby. Parts can be located at a local hobby and craft store or by going online and shopping at places such as Nitroplanes.