Pontiac G6 GT/GTP Convertible MPG by year — every rating on record
The Pontiac G6 GT/GTP Convertible has a combined EPA fuel economy rating for 2 model years, from 2006 to 2007. Across those years its best rated version returned 20 mpg (2006) and its thirstiest returned 18 mpg (2007). The EPA record holds 3 configurations for this nameplate, most recently a Compact Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2006 | 2 | 20 mpg | 19 mpg | #39 of 51 (24th pct) | Front-Wheel Drive | Regular | Compact Cars |
| 2007 | 1 | 18 mpg | 18 mpg | #40 of 47 (15th pct) | Front-Wheel Drive | Regular | Compact Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Pontiac G6 GT/GTP Convertible placed highest in 2006 at #39 of 51, and lowest in 2007 at #40 of 47. It spent 0 of its 2 ranked years in the top half of its class.
Every configuration on record
All 3 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | 3.9L 6-cyl Front-Wheel Drive Automatic (S4) Regular | 3.9L 6-cyl | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 2006 | 3.9L 6-cyl Front-Wheel Drive Automatic (S4) Regular | 3.9L 6-cyl | 16 | 24 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 2006 | 3.5L 6-cyl Front-Wheel Drive Automatic (S4) Regular | 3.5L 6-cyl | 17 | 25 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 0 of 1 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2006 → 2007 | 20 → 18 mpg | -2 mpg | 639 gal |
What G6 GT/GTP Convertible fuel costs over a year
At the EPA's 11,500 miles a year, the 2007 Pontiac G6 GT/GTP Convertible burns 639 to 639 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 | $1,917 | $1,917 | $0 |
| $3.50/gal | $2,236 | $2,236 | $0 |
| $4.00/gal | $2,556 | $2,556 | $0 |
EPA’s own estimate for the 2007 model year is $3,450 to $3,450 a year in fuel, or $6,000 more than the average new vehicle over five years.
How it compares with other Compact Cars
Across the 498 nameplates EPA classifies as Compact Cars, the median best combined rating is 26 mpg. At 18 mpg the Pontiac G6 GT/GTP Convertible is 8 mpg below the median, which is worth about $688 a year at $3.50 a gallon.
- All Compact Cars rankings — every nameplate in the class, best to worst.
Other Pontiac nameplates
Every Pontiac model compared → — all nameplates ranked by best combined rating, with what each one costs a year.