Buick Terraza vs Toyota Sienna
The Toyota Sienna is more fuel-efficient at 19 MPG combined, against 18 MPG for the Buick Terraza. At EPA assumptions that is about $150 less in fuel per year. (Comparison uses each model's most efficient version.)
Side by side
| Buick Terraza | Toyota Sienna | |
|---|---|---|
| Complaints (NHTSA) | 195 | 1,418 |
| Most reported problem | Electrical system | Body & structure |
| Crashes and fires | 13 and 4 | 47 and 13 |
| Typical mileage at complaint | 56,000 miles | 70,000 miles |
| Recalls | 2 | 12 |
| Fuel economy, combined | 18 MPG | 19 MPG |
| City and highway | 16 and 23 | 17 and 24 |
| Yearly fuel cost (EPA) | $3,700 | $3,550 |
What the numbers say
NHTSA has 195 complaints for the Buick Terraza and 1,418 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: 2 for the Buick Terraza, 12 for the Toyota Sienna.