Autobytel just listed their picks for the most fuel efficient SUV's:
1. 2006 Toyota RAV4-22 mpg city, 29 mpg hwy
2. 2006 Honda CR-V’s-23 mpg city, 29 mpg hwy
3. 2006 Honda Element’s-22 mpg city, 26 mpg hwy
4. 2006 Subaru Outback-23 mpg city, 28 mpg hwy
5. 2006 Ford Escape Hybrid-36 mpg city, 31 mpg hwy
6. 2006 Subaru Forester-22 mpg city, 29 mpg hwy
7. 2006 Lexus RX 400h-33 mpg city, 28 mpg hwy
8. 2006 Mercury Mariner Hybrid-33 mpg city, 29 mpg hwy
9. 2006 Toyota Highlander Hybrid-33 mpg city, 28 mpg hwy
10. 2006 Chevrolet HHR-23 mpg city, 30 mpg hwy