Champion Bus Incorporated is the brand name of buses made by Thor Industries of Imlay City, Michigan, United States.

Buses made under the Champion name include:

  • Challenger - mid-size bus using a Ford E-series (350 or 450), GM GMT or C4500 truck chassis
  • Crusader - small bus using Ford E-series (350) and GM Express truck chassis
  • CTS - mid size bus using Freightliner MB55 Chassis
  • CTS Rear Engine - large bus using Freightliner XB series (555R, 655R, 755R) Chassis
  • Defender - large bus using General Motors C550 Series Chassis. 
  • EZ Trans - accessible version of Defender
  • Trolley Bus - no longer manufactured
  • Solo - Low floor small city transit bus; no longer manufactured

Other brand names under Thor include ElDorado National and Goshen Coach.