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2006 Buick Lucerne CX
Shown: 2006 Buick Lucerne CX. Photo: Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2011
  • Gas
  • Large cars

2006-2011 Buick Lucerne MPG & Fuel Cost

6 model years · 18–21 MPG combined

21 MPG
Combined
17 MPG
City
26 MPG
Highway
Annual fuel cost · Lucerne 3.9L 6-cyl FWD
$3,180

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

Cheaper to fuel than 8 of 10 large car configurations, MY2011. Ranked against all rated configurations, not sales-weighted.

2006-2011 Buick Lucerne at a glance

The 2006-2011 Buick Lucerne covers 6 model years in the EPA database (15 configurations in all), rated 18–21 MPG combined. The newest model year, 2011, costs about $3,180 a year to fuel for its most efficient version, the Lucerne 3.9L 6-cyl FWD (21 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2008, 2009, 2010 and 2011; 2007 repeat the values of the year before. The best combined rating in the generation, 21 MPG, was reached in 2009 and 2011.

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

2006-2011 Buick Lucerne by model year

2006-2011 Buick Lucerne: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2011 Gas 18–21 MPG $3,180–$3,640 Ratings changed
2010 Gas 18–20 MPG $3,270–$3,630 Ratings changed
2009 Gas 18–21 MPG $3,110–$3,630 Ratings changed
2008 Gas 18–19 MPG $3,440–$3,630 Ratings changed
2007 Gas 18–20 MPG $3,270–$3,630 Same EPA ratings as 2006
2006 Gas 18–20 MPG $3,270–$3,630 First year

What the 2011 Lucerne 3.9L 6-cyl FWD costs to drive

Per month

$265

$3,180 a year ÷ 12

Per 25 miles

$5.30

Per 100 miles

$21.20

Five years

$15,900

5 × the yearly cost, prices held at today's level

vs the large car median

$890less a year

Class median $4,070 a year, MY2011

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

2011 Buick Lucerne MPG

Versus 2010: The most efficient configuration moves from 20 to 21 MPG, up 1. Its annual cost goes from $3,270 to $3,180, $90 less.

Gas · 3.9L, 4.6L
Combined
18–21 MPG
Per year
$3,180–$3,640

Gas configurations (2)

2011 Buick Lucerne gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Lucerne 3.9L 6-cyl (Most efficient) 3.9L 6-cyl FWD 17 26 21 $3,180
Lucerne 4.6L 8-cyl 4.6L 8-cyl FWD 15 23 18 $3,640

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2010 Buick Lucerne MPG

18–20 MPG · $3,270–$3,630/yr

Versus 2009: The most efficient configuration moves from 21 to 20 MPG, down 1. Its annual cost goes from $3,110 to $3,270, $160 more.

Gas · 3.9L, 4.6L
Combined
18–20 MPG
Per year
$3,270–$3,630

Gas configurations (3)

2010 Buick Lucerne gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Lucerne 3.9L 6-cyl FWD Automatic 4-spd (Most efficient) 3.9L 6-cyl FWD 17 26 20 $3,270
Lucerne 3.9L 6-cyl FWD Automatic 4-spd 3.9L 6-cyl FWD 17 26 20 $3,270
Lucerne 4.6L 8-cyl 4.6L 8-cyl FWD 15 22 18 $3,630

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2009 Buick Lucerne MPG

18–21 MPG · $3,110–$3,630/yr

Versus 2008: The most efficient configuration moves from 19 to 21 MPG, up 2. Its annual cost goes from $3,440 to $3,110, $330 less.

Gas · 3.9L, 4.6L
Combined
18–21 MPG
Per year
$3,110–$3,630

Gas configurations (3)

2009 Buick Lucerne gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Lucerne 3.9L 6-cyl FWD Automatic 4-spd (Most efficient) 3.9L 6-cyl FWD 17 26 21 $3,110
Lucerne 3.9L 6-cyl FWD Automatic 4-spd 3.9L 6-cyl FWD 17 26 20 $3,270
Lucerne 4.6L 8-cyl 4.6L 8-cyl FWD 15 22 18 $3,630

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2008 Buick Lucerne MPG

18–19 MPG · $3,440–$3,630/yr

Versus 2007: The most efficient configuration moves from 20 to 19 MPG, down 1. Its annual cost goes from $3,270 to $3,440, $170 more.

Gas · 3.8L, 4.6L
Combined
18–19 MPG
Per year
$3,440–$3,630

Gas configurations (3)

2008 Buick Lucerne gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Lucerne 3.8L 6-cyl (Most efficient) 3.8L 6-cyl FWD 16 25 19 $3,440
Lucerne 4.6L 8-cyl FWD Automatic 4-spd 4.6L 8-cyl FWD 15 23 18 $3,630
Lucerne 4.6L 8-cyl FWD Automatic 4-spd 4.6L 8-cyl FWD 15 22 18 $3,630

2007 Buick Lucerne MPG

Same EPA ratings as 2006

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

EPA lists the same ratings for the 2007 Buick Lucerne as for the 2006 model, so the configurations and costs are the ones in the 2006 section above.See 2006

2006 Buick Lucerne MPG

18–20 MPG · $3,270–$3,630/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Gas · 3.8L, 4.6L
Combined
18–20 MPG
Per year
$3,270–$3,630

Gas configurations (2)

2006 Buick Lucerne gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Lucerne 3.8L 6-cyl (Most efficient) 3.8L 6-cyl FWD 17 26 20 $3,270
Lucerne 4.6L 8-cyl 4.6L 8-cyl FWD 15 23 18 $3,630

Fuel cost by state

Yearly cost of the Lucerne 3.9L 6-cyl FWD: $4,330 in California and $2,780 in Texas, a $1,550 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 MY2011 large car 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

  • 2006-2011 (2006)

Frequently asked questions

What gas mileage does the 2006-2011 Buick Lucerne get?

EPA rates the 2006-2011 Buick Lucerne at 18–21 MPG combined across 15 configurations and 6 model years. The most efficient version, the 2011 Lucerne 3.9L 6-cyl FWD, is rated 21 MPG (17 city, 26 highway).

Which years had the best MPG in the 2006-2011 Buick Lucerne?

The Lucerne 3.9L 6-cyl FWD reached the generation's best combined rating, 21 MPG, in 2009 and 2011. The lowest top rating, 19 MPG, was in 2008.

Did EPA ratings change during the 2006-2011 Buick Lucerne?

Yes. Ratings changed in 2008, 2009, 2010 and 2011. In 2007 the values repeat the year before.

How much does it cost to fuel a 2011 Buick Lucerne per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Lucerne 3.9L 6-cyl FWD costs about $3,180 a year. Across all 2 configurations the cost runs $3,180–$3,640 a year. That is a $460 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2011 Buick Lucerne 100 miles?

About $21.20 per 100 miles for the Lucerne 3.9L 6-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $21.20 and $24.27 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2011 Buick Lucerne more efficient in the city or on the highway?

The Lucerne 3.9L 6-cyl FWD is rated 17 city and 26 highway MPG, so it is more efficient on the highway, by 9 MPG.

How does the 2011 Buick Lucerne compare with other large car configurations?

The Lucerne 3.9L 6-cyl FWD costs about $3,180 a year to fuel, $890 less than the class median of $4,070, and less than 8 of 10 large car configurations. The comparison covers all 74 rated large car configurations for MY2011, not weighted by sales.

Is the 2011 Buick Lucerne different from the 2010 model?

The most efficient configuration moves from 20 to 21 MPG, up 1. Its annual cost goes from $3,270 to $3,180, $90 less. EPA lists 2 configurations for 2011 against 3 configurations for 2010. See the 2010 Buick Lucerne for that year.