2003 Quantum Models
Subcompact Cars
The title for most fuel efficient Quantum in the subcompact cars class in 2003 goes to the Quantum Dual Fuel Chevy Cavalier with a combined EPA fuel economy rating of 28 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Quantum Dual Fuel Chevy Cavalier
- 28 MPG (Automatic - 2.2L - 4 Cylinder)
