Character
Billy Oilchanger - #58 Octane Gain diecast cars
Mattel has made 2 Billy Oilchanger - #58 Octane Gain diecast cars in the Disney·Pixar Cars 1:55 line. The first came out in 2006. Billy Oilchanger - #58 Octane Gain appears in 10 series, from Supercharged to Cars 2025. All of them have a known Mattel number, listed on their pages. Typical prices run from €6.50 to €22.83.
Octane Gain
Octane Gain (rubber tires)