The Pontiac Vibe was first introduced in 2002, as a 2003 model. The newest 2010 model (1.8L) gets about 26 mpg in the city and 32 mpg on the highway.
13 mpg in city & 15 mpg on HWY
Manual: 29 mpg / 38 mpg Automatic: : 27 mpg / 33 mpg
probly around 28-30 MPG
MPG (city) 19 MPG (highway) 28 MPG (combined) 23
The gas mileage for a Pontiac Montana will vary depending on where you are driving and speed. The average is 18 mpg city and 25 mpg highway.
17 MPG City and 26-29 MPG Highway with the 6 Speed manual option
What specific type of 2005 Pontiac are you asking about? Most Pontiacs manufactured in that year get between 20-32 mpg on the highway.
I have an 04 Grand Prix and I average around 22-24 mpg city, and as much as 31 mpg highway.
The best you will get on the highway is around 24 mpg with either the V8 or V6.
As advertised, 5.0 liter engine; City mpg:16 Highway mpg:27 combine mpg:20
About 17 mpg (city)
The highest mileage was provided by the Pontiac Grand Am Regular and it gave 32 mpg on the highway and 21 in the city.