1. Toyota Prius (CVT): 60/51 mpg

2. Honda Civic Hybrid (CVT): 49/51 mpg

3. Toyota Camry Hybrid (CVT): 40/38 mpg

4. Ford Escape Hybrid 2WD (CVT): 36/31 mpg

5. Toyota Yaris (MT): 34/40 mpg

6. Toyota Yaris (AT): 34/39 mpg

7. Honda Fit (MT): 33/38 mpg

8. Toyota Corolla (MT): 32/41 mpg

9. Hyundai Accent (MT): 32/35 mpg, Kia Rio (MT): 32/35 mpg

10. Mercury Mariner Hybrid 4WD (CVT): 32/29 mpg, Ford Escape Hybrid 4WD (CVT): 32/29 mpg

MT = Manual Transmission

AT = Automatic Transmission

CVT = Continuously Variable Transmission

Source: EPA