Chevrolet Cavalier (Bi-fuel CNG) MPG by year — every rating on record
The Chevrolet Cavalier (Bi-fuel CNG) has a combined EPA fuel economy rating for 2 model years, from 2000 to 2001. Across those years its best rated version returned 23 mpg (2001) and its thirstiest returned 22 mpg (2000). The EPA record holds 2 configurations for this nameplate, most recently a Subcompact Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2000 | 1 | 22 mpg | 22 mpg | #19 of 39 (53th pct) | Front-Wheel Drive | Gasoline or natural gas | Subcompact Cars |
| 2001 | 1 | 23 mpg | 23 mpg | #12 of 37 (69th pct) | Front-Wheel Drive | Gasoline or natural gas | Subcompact Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Chevrolet Cavalier (Bi-fuel CNG) placed highest in 2001 at #12 of 37, and lowest in 2000 at #19 of 39. It spent 2 of its 2 ranked years in the top half of its class.
Every configuration on record
All 2 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2001 | 2.2L 4-cyl Front-Wheel Drive Automatic 4-spd Gasoline or natural gas | 2.2L 4-cyl, Bifuel (CNG) | 20 | 28 | 23 | 500.0 | 12.9 | $2,700 | 386.39130434782606 | n/a |
| 2000 | 2.2L 4-cyl Front-Wheel Drive Automatic 3-spd Gasoline or natural gas | NONE, Bifuel (CNG) | 20 | 25 | 22 | 522.7 | 13.5 | $2,850 | 403.95454545454544 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 1 of 1 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2000 → 2001 | 22 → 23 mpg | +1 mpg | 500 gal |
What Cavalier (Bi-fuel CNG) fuel costs over a year
At the EPA's 11,500 miles a year, the 2001 Chevrolet Cavalier (Bi-fuel CNG) burns 500 to 500 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,500 | $1,500 | $0 |
| $3.50/gal | $1,750 | $1,750 | $0 |
| $4.00/gal | $2,000 | $2,000 | $0 |
EPA’s own estimate for the 2001 model year is $2,700 to $2,700 a year in fuel, or $2,250 more than the average new vehicle over five years.
How it compares with other Subcompact Cars
Across the 461 nameplates EPA classifies as Subcompact Cars, the median best combined rating is 24 mpg. At 23 mpg the Chevrolet Cavalier (Bi-fuel CNG) is 1 mpg below the median, which is worth about $73 a year at $3.50 a gallon.
- All Subcompact Cars rankings — every nameplate in the class, best to worst.
Other Chevrolet nameplates
Every Chevrolet model compared → — all nameplates ranked by best combined rating, with what each one costs a year.