1. Mercury Mariner Hybrid, supplied by Visteon

2. Jeep Liberty, supplied by Alpine

3. Ford Expedition, supplied by Visteon

4. Mercedes-Benz C-Class, supplied by Alpine

5. Toyota Avalon, supplied by Denso

6. Audi A4, supplied by Aisin AW

7. Chrysler Town & Country, supplied by Alpine

8. Mercedes-Benz SLK, supplied by HarmanBecker

9. BMW 5-Series, supplied by Siemens VD0

10. Chrysler Pacifica, supplied by Alpine

This list was based on the 2006 Navigation Usage and Satisfaction Study. The study is based on responses from 14,103 owners who recently purchased or leased new vehicles with factory-installed navigation systems.

Source: JD Power & Associates