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2011 Cadillac DTS
Shown: 2011 Cadillac DTS. Photo: Cutlass, CC0, via Wikimedia Commons
  • Newest year: 2011
  • Gas
  • Large cars

2006-2011 Cadillac DTS MPG & Fuel Cost

6 model years · 18 MPG combined

18 MPG
Combined
15 MPG
City
23 MPG
Highway
Annual fuel cost · DTS 4.6L 8-cyl FWD
$3,640

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

Cheaper to fuel than 6 of 10 large car configurations, MY2011. Ranked against all rated configurations, not sales-weighted.

2006-2011 Cadillac DTS at a glance

The 2006-2011 Cadillac DTS covers 6 model years in the EPA database (11 configurations in all), rated 18 MPG combined. The newest model year, 2011, costs about $3,640 a year to fuel for its most efficient version, the DTS 4.6L 8-cyl FWD (18 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2011; 2007, 2008, 2009 and 2010 repeat the values of the year before.

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

2006-2011 Cadillac DTS by model year

2006-2011 Cadillac DTS: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2011 Gas 18 MPG $3,640 Ratings changed
2010 Gas 18 MPG $3,630 Same EPA ratings as 2009
2009 Gas 18 MPG $3,630 Same EPA ratings as 2008
2008 Gas 18 MPG $3,630 Same EPA ratings as 2007
2007 Gas 18 MPG $3,630 Same EPA ratings as 2006
2006 Gas 18 MPG $3,630 First year

What the 2011 DTS 4.6L 8-cyl FWD costs to drive

Per month

$303

$3,640 a year ÷ 12

Per 25 miles

$6.07

Per 100 miles

$24.27

Five years

$18,200

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

vs the large car median

$430less 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 Cadillac DTS MPG

Versus 2010: The most efficient configuration stays at 18 MPG. Its annual cost goes from $3,630 to $3,640, $10 more.

Gas · 4.6L
Combined
18 MPG
Per year
$3,640

Gas configurations (1)

2011 Cadillac DTS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
DTS (Most efficient) 4.6L 8-cyl FWD 15 23 18 $3,640

2010 Cadillac DTS MPG

Same EPA ratings as 2009

EPA lists the same ratings for the 2010 Cadillac DTS as for the 2009 model, so the configurations and costs are the ones in the 2009 section above.See 2009

2009 Cadillac DTS MPG

Same EPA ratings as 2008

EPA lists the same ratings for the 2009 Cadillac DTS as for the 2008 model, so the configurations and costs are the ones in the 2008 section above.See 2008

2008 Cadillac DTS MPG

Same EPA ratings as 2007

EPA lists the same ratings for the 2008 Cadillac DTS as for the 2007 model, so the configurations and costs are the ones in the 2007 section above.See 2007

2007 Cadillac DTS 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 Cadillac DTS as for the 2006 model, so the configurations and costs are the ones in the 2006 section above.See 2006

2006 Cadillac DTS MPG

18 MPG · $3,630/yr

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

Gas · 4.6L
Combined
18 MPG
Per year
$3,630

Gas configurations (2)

2006 Cadillac DTS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
DTS 4.6L 8-cyl FWD Automatic 4-spd (Most efficient) 4.6L 8-cyl FWD 15 23 18 $3,630
DTS 4.6L 8-cyl FWD Automatic 4-spd 4.6L 8-cyl FWD 15 22 18 $3,630

Fuel cost by state

Yearly cost of the DTS 4.6L 8-cyl FWD: $4,940 in California and $3,170 in Texas, a $1,770 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 Cadillac DTS get?

EPA rates the 2006-2011 Cadillac DTS at 18 MPG combined across 11 configurations and 6 model years. The most efficient version, the 2011 DTS 4.6L 8-cyl FWD, is rated 18 MPG (15 city, 23 highway).

Which years had the best MPG in the 2006-2011 Cadillac DTS?

Every model year of the 2006-2011 Cadillac DTS tops out at 18 MPG combined, so no year is better than another.

Did EPA ratings change during the 2006-2011 Cadillac DTS?

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

How much does it cost to fuel a 2011 Cadillac DTS per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the DTS 4.6L 8-cyl FWD costs about $3,640 a year. Across all 1 configuration the cost runs $3,640 a year.

How much does it cost to drive a 2011 Cadillac DTS 100 miles?

About $24.27 per 100 miles for the DTS 4.6L 8-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 2011 Cadillac DTS more efficient in the city or on the highway?

The DTS 4.6L 8-cyl FWD is rated 15 city and 23 highway MPG, so it is more efficient on the highway, by 8 MPG.

How does the 2011 Cadillac DTS compare with other large car configurations?

The DTS 4.6L 8-cyl FWD costs about $3,640 a year to fuel, $430 less than the class median of $4,070, and less than 6 of 10 large car configurations. The comparison covers all 74 rated large car configurations for MY2011, not weighted by sales.

Is the 2011 Cadillac DTS different from the 2010 model?

The most efficient configuration stays at 18 MPG. Its annual cost goes from $3,630 to $3,640, $10 more. EPA lists 1 configuration for 2011 against 2 configurations for 2010. See the 2010 Cadillac DTS for that year.