BMW 128i Convertible MPG by year — every rating on record
The BMW 128i Convertible has a combined EPA fuel economy rating for 2 model years, from 2008 to 2009. Across those years its best rated version returned 21 mpg (2008) and its thirstiest returned 21 mpg (2008). The EPA record holds 4 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 |
|---|---|---|---|---|---|---|---|
| 2008 | 2 | 21 mpg | 21 mpg | #27 of 59 (55th pct) | Rear-Wheel Drive | Premium | Subcompact Cars |
| 2009 | 2 | 21 mpg | 21 mpg | #28 of 61 (55th pct) | Rear-Wheel Drive | Premium | Subcompact Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The BMW 128i Convertible placed highest in 2008 at #27 of 59, and lowest in 2009 at #28 of 61. It spent 2 of its 2 ranked years in the top half of its class.
Every configuration on record
All 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 3.0L 6-cyl Rear-Wheel Drive Manual 6-spd Premium | 3.0L 6-cyl | 18 | 28 | 21 | 547.6 | 14.2 | $3,700 | 423.1904761904762 | n/a |
| 2009 | 3.0L 6-cyl Rear-Wheel Drive Automatic (S6) Premium | 3.0L 6-cyl | 18 | 27 | 21 | 547.6 | 14.2 | $3,700 | 423.1904761904762 | n/a |
| 2008 | 3.0L 6-cyl Rear-Wheel Drive Manual 6-spd Premium | 3.0L 6-cyl | 18 | 28 | 21 | 547.6 | 14.2 | $3,700 | 423.1904761904762 | n/a |
| 2008 | 3.0L 6-cyl Rear-Wheel Drive Automatic (S6) Premium | 3.0L 6-cyl | 18 | 27 | 21 | 547.6 | 14.2 | $3,700 | 423.1904761904762 | n/a |
What 128i Convertible fuel costs over a year
At the EPA's 11,500 miles a year, the 2009 BMW 128i Convertible burns 548 to 548 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 | $1,643 | $1,643 | $0 |
| $3.50/gal | $1,917 | $1,917 | $0 |
| $4.00/gal | $2,190 | $2,190 | $0 |
EPA’s own estimate for the 2009 model year is $3,700 to $3,700 a year in fuel, or $7,250 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 21 mpg the BMW 128i Convertible is 3 mpg below the median, which is worth about $240 a year at $3.50 a gallon.
- All Subcompact Cars rankings — every nameplate in the class, best to worst.
Other BMW nameplates
Every BMW model compared → — all nameplates ranked by best combined rating, with what each one costs a year.