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'05 Buick Terraza
Shown: '05 Buick Terraza. Photo: Bull-Doser, Public domain, via Wikimedia Commons
  • Newest year: 2008
  • Gas
  • Minivans

2008 Buick Terraza MPG & Fuel Cost

1 configuration · 19 MPG combined

19 MPG
Combined
16 MPG
City
23 MPG
Highway
Annual fuel cost · Terraza 3.9L 6-cyl FWD
$3,440

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 5 of 10 minivan configurations, MY2008. Ranked against all rated configurations, not sales-weighted.

2008 Buick Terraza at a glance

The 2008 Buick Terraza has 1 configuration in the EPA database, rated 19 MPG combined. The most efficient is the Terraza 3.9L 6-cyl FWD at 19 MPG, which costs about $3,440 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The Terraza 3.9L 6-cyl FWD costs less to fuel than 5 of 10 minivan configurations rated for MY2008 (class median $3,440 a year).

What the 2008 Terraza 3.9L 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, MY2008

Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).

2008 Buick Terraza MPG

Gas · 3.9L
Combined
19 MPG
Per year
$3,440

Gas configurations (1)

2008 Buick Terraza gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Terraza (Most efficient) 3.9L 6-cyl FWD 16 23 19 $3,440

Fuel cost by state

Yearly cost of the Terraza 3.9L 6-cyl FWD: $4,680 in California and $3,000 in Texas, a $1,680 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2008 minivan models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

Frequently asked questions

How does the 2008 Buick Terraza compare with the previous generation?

The previous generation (2005-2007 Buick Terraza) is rated 17–19 MPG combined and costs $3,440–$3,840 a year to fuel; the 2008 model is rated 19 MPG and costs $3,440 a year.

What gas mileage does the 2008 Buick Terraza get?

EPA rates the 2008 Buick Terraza at 19 MPG combined across 1 configuration. The most efficient, the Terraza 3.9L 6-cyl FWD, is rated 19 MPG combined (16 city / 23 highway).

How much does it cost to fuel a 2008 Buick Terraza per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Terraza 3.9L 6-cyl FWD costs about $3,440 a year. Across all 1 configuration the cost runs $3,440 a year.

How much does it cost to drive a 2008 Buick Terraza 100 miles?

About $22.93 per 100 miles for the Terraza 3.9L 6-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.

Is the 2008 Buick Terraza more efficient in the city or on the highway?

The Terraza 3.9L 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 2008 Buick Terraza compare with other minivan configurations?

The Terraza 3.9L 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 20 rated minivan configurations for MY2008, not weighted by sales.

Is the 2008 Buick Terraza different from the 2007 model?

The most efficient configuration stays at 19 MPG. Its annual cost stays at $3,440. EPA lists 1 configuration for 2008 against 2 configurations for 2007. See the 2007 Buick Terraza for that year.