Mercury Monterey vs Toyota Sienna
The Toyota Sienna is more fuel-efficient at 20 MPG combined, against 17 MPG for the Mercury Monterey. At EPA assumptions that is about $600 less in fuel per year. (Comparison uses each model's most efficient version.)
Side by side
| Mercury Monterey | Toyota Sienna | |
|---|---|---|
| Complaints (NHTSA) | 346 | 2,588 |
| Most reported problem | Transmission | Body & structure |
| Crashes and fires | 2 and 10 | 56 and 12 |
| Typical mileage at complaint | 85,000 miles | 77,000 miles |
| Recalls | 4 | 10 |
| Fuel economy, combined | 17 MPG | 20 MPG |
| City and highway | 15 and 21 | 17 and 25 |
| Yearly fuel cost (EPA) | $3,950 | $3,350 |
What the numbers say
NHTSA has 346 complaints for the Mercury Monterey and 2,588 for the Toyota Sienna. Complaint counts depend heavily on how many of each vehicle were sold, so a higher count does not by itself mean a less reliable car.
Safety recalls on file: 4 for the Mercury Monterey, 10 for the Toyota Sienna.