Logbooks filed under · PONTIAC
Pontiac fuel economy
21 Pontiac models with five or more years of test sheets on file. Most efficient: the Firefly at 37 MPG.
Every Pontiac on file, best sheet first
| Model | Combined | Fuel/yr | Class | Years |
|---|---|---|---|---|
| Firefly | 37 MPG | $1297 | Subcompact Cars | 1985–1994 |
| Lemans | 27.7 MPG | $1733 | Compact Cars | 1988–1993 |
| Sunfire | 25.5 MPG | $1882 | Compact Cars | 1995–2005 |
| Vibe | 25.2 MPG | $1905 | Small Station Wagons | 2003–2010 |
| G6 | 23.1 MPG | $2078 | Compact Cars | 2005–2010 |
| Grand Am | 23 MPG | $2087 | Compact Cars | 1985–2005 |
| Sunbird | 22.5 MPG | $2133 | Compact Cars | 1985–1994 |
| Solstice | 22 MPG | $2182 | Two Seaters | 2006–2010 |
| Vibe AWD | 22 MPG | $2182 | Small Station Wagons | 2003–2009 |
| Sunbird Convertible | 21.8 MPG | $2202 | Subcompact Cars | 1985–1991 |
| Fiero | 21.5 MPG | $2233 | Two Seaters | 1984–1988 |
| 6000 | 20.7 MPG | $2319 | Midsize Cars | 1984–1991 |
| 6000 Wagon | 20.5 MPG | $2341 | Midsize-Large Station Wagons | 1984–1991 |
| Firebird/Trans Am | 20.3 MPG | $2365 | Subcompact Cars | 1988–2001 |
| Grand Prix | 20 MPG | $2400 | Midsize Cars | 1984–2008 |
| Montana FWD | 20 MPG | $2400 | Minivan - 2WD | 2000–2004 |
| Bonneville | 19.5 MPG | $2462 | Large Cars | 1984–2005 |
| Firebird/Formula | 19.5 MPG | $2462 | Subcompact Cars | 1993–1998 |
| Aztek FWD | 19 MPG | $2526 | Sport Utility Vehicle - 2WD | 2001–2005 |
| Trans Sport 2WD | 19 MPG | $2526 | Special Purpose Vehicles | 1990–1998 |
| Aztek AWD | 18 MPG | $2667 | Sport Utility Vehicle - 4WD | 2001–2005 |
Fuel costs at $3.20/gal fixed JUL 2026, over 15,000 miles a year — the same basis used everywhere in this book. Electric models are rated in MPGe and are not directly comparable on fuel cost.
SOURCE·US EPA fuel-economy test data·FUEL ASSUMED AT $3.20/GAL FROM JUL 2026·REVIEWED JUL 2026
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