- Newest year: 2006
- Gas
- Minivans
2005-2006 Pontiac Montana MPG & Fuel Cost
2 model years · 17–19 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 5 of 10 minivan configurations, MY2006. Ranked against all rated configurations, not sales-weighted.
2005-2006 Pontiac Montana at a glance
The 2005-2006 Pontiac Montana covers 2 model years in the EPA database (5 configurations in all), rated 17–19 MPG combined. The newest model year, 2006, costs about $3,440 a year to fuel for its most efficient version, the SV6 3.5L 6-cyl FWD (19 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2006. The best combined rating in the generation, 19 MPG, was reached in 2006.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2005-2006 Pontiac Montana by model year
What the 2006 SV6 3.5L 6-cyl FWD costs to drive
Per month
$287
$3,440 a year ÷ 12
Per 25 miles
$5.73
Per 100 miles
$22.93
Five years
$17,200
5 × the yearly cost, prices held at today's level
vs the minivan median
Same
Class median $3,440 a year, MY2006
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2006 Pontiac Montana MPG
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2005: The most efficient configuration moves from 18 to 19 MPG, up 1. Its annual cost goes from $3,630 to $3,440, $190 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| SV6 3.5L 6-cyl FWD (Most efficient) | 3.5L 6-cyl | FWD | 16 | 23 | 19 | $3,440 |
| SV6 3.9L 6-cyl | 3.9L 6-cyl | FWD | 16 | 23 | 19 | $3,440 |
| SV6 3.5L 6-cyl 4WD | 3.5L 6-cyl | 4WD | 15 | 21 | 17 | $3,840 |
2005 Pontiac Montana MPG
17–18 MPG · $3,630–$3,840/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| SVX 3.5L 6-cyl FWD (Most efficient) | 3.5L 6-cyl | FWD | 16 | 23 | 18 | $3,630 |
| SVX 3.5L 6-cyl 4WD | 3.5L 6-cyl | 4WD | 15 | 21 | 17 | $3,840 |
Fuel cost by state
Yearly cost of the SV6 3.5L 6-cyl FWD: $4,680 in California and $3,000 in Texas, a $1,680 difference.
- California $4,680
- Washington $4,330
- New York $3,440
- Florida $3,250
- Texas $3,000
Similar cars
Closest combined MPG among MY2006 minivan models.
Generations
- 2000-2004 (1st gen)
- 2005-2006 (2nd gen)
Frequently asked questions
What gas mileage does the 2005-2006 Pontiac Montana get?
EPA rates the 2005-2006 Pontiac Montana at 17–19 MPG combined across 5 configurations and 2 model years. The most efficient version, the 2006 SV6 3.5L 6-cyl FWD, is rated 19 MPG (16 city, 23 highway).
Which years had the best MPG in the 2005-2006 Pontiac Montana?
The SV6 3.5L 6-cyl FWD reached the generation's best combined rating, 19 MPG, in 2006. The lowest top rating, 18 MPG, was in 2005.
Did EPA ratings change during the 2005-2006 Pontiac Montana?
Yes. Ratings changed in 2006.
How does the 2005-2006 Pontiac Montana compare with the previous generation?
The previous generation (2000-2004 Pontiac Montana) is rated 18–20 MPG combined and costs $3,270–$3,630 a year to fuel; the 2005-2006 model is rated 17–19 MPG and costs $3,440–$3,840 a year.
How much does it cost to fuel a 2006 Pontiac Montana per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the SV6 3.5L 6-cyl FWD costs about $3,440 a year. Across all 3 configurations the cost runs $3,440–$3,840 a year. That is a $400 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2006 Pontiac Montana 100 miles?
About $22.93 per 100 miles for the SV6 3.5L 6-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $22.93 and $25.60 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2006 Pontiac Montana more efficient in the city or on the highway?
The SV6 3.5L 6-cyl FWD is rated 16 city and 23 highway MPG, so it is more efficient on the highway, by 7 MPG.
How does the 2006 Pontiac Montana compare with other minivan configurations?
The SV6 3.5L 6-cyl FWD costs about $3,440 a year to fuel, the same as the class median of $3,440, and less than 5 of 10 minivan configurations. The comparison covers all 30 rated minivan configurations for MY2006, not weighted by sales.
Is the 2006 Pontiac Montana different from the 2005 model?
The most efficient configuration moves from 18 to 19 MPG, up 1. Its annual cost goes from $3,630 to $3,440, $190 less. EPA lists 3 configurations for 2006 against 2 configurations for 2005. See the 2005 Pontiac Montana for that year.