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2010 Cadillac CTS AWD Premium Collection
Shown: 2010 Cadillac CTS AWD Premium Collection. Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2013
  • Gas
  • Midsize cars

2008-2013 Cadillac CTS MPG & Fuel Cost

6 model years · 14–22 MPG combined

21 MPG
Combined
18 MPG
City
27 MPG
Highway
Annual fuel cost · CTS 3.0L 6-cyl RWD
$3,040

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

Cheaper to fuel than 4 of 10 midsize car configurations, MY2013. Ranked against all rated configurations, not sales-weighted.

2008-2013 Cadillac CTS at a glance

The 2008-2013 Cadillac CTS covers 6 model years in the EPA database (62 configurations in all), rated 14–22 MPG combined. The newest model year, 2013, costs about $3,040 a year to fuel for its most efficient version, the CTS 3.0L 6-cyl RWD (21 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2010, 2011, 2012 and 2013; 2009 repeat the values of the year before. The best combined rating in the generation, 22 MPG, was reached in 2010.

2008-2013 Cadillac CTS by model year

2008-2013 Cadillac CTS: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2013 Gas 14–21 MPG $3,040–$5,800 Ratings changed
2012 Gas 14–21 MPG $3,040–$5,630 Ratings changed
2011 Gas 14–21 MPG $3,040–$5,720 Ratings changed
2010 Gas 14–22 MPG $2,970–$5,740 Ratings changed
2009 Gas 19–21 MPG $3,110–$3,440 Same EPA ratings as 2008
2008 Gas 19–21 MPG $3,110–$3,440 First year

What the 2013 CTS 3.0L 6-cyl RWD costs to drive

Per month

$253

$3,040 a year ÷ 12

Per 25 miles

$5.07

Per 100 miles

$20.27

Five years

$15,200

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

vs the midsize car median

$280more a year

Class median $2,760 a year, MY2013

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

2013 Cadillac CTS MPG

Versus 2012: The most efficient configuration stays at 21 MPG. Its annual cost stays at $3,040.

Gas · 3.0L, 3.6L, 6.2L
Combined
14–21 MPG
Per year
$3,040–$5,800

Gas configurations (13)

2013 Cadillac CTS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CTS 3.0L 6-cyl RWD Automatic (S6) (Most efficient) 3.0L 6-cyl RWD 18 27 21 $3,040
CTS 3.6L 6-cyl AWD 3.6L 6-cyl AWD 18 26 21 $3,130
Wagon 3.6L 6-cyl AWD 3.6L 6-cyl AWD 18 26 21 $3,130
CTS 3.6L 6-cyl RWD 3.6L 6-cyl RWD 18 26 21 $3,140
Wagon 3.6L 6-cyl RWD 3.6L 6-cyl RWD 18 26 21 $3,150
Wagon 3.0L 6-cyl RWD 3.0L 6-cyl RWD 18 26 21 $3,170
CTS 3.0L 6-cyl AWD 3.0L 6-cyl AWD 18 26 21 $3,190
Wagon 3.0L 6-cyl AWD 3.0L 6-cyl AWD 18 26 21 $3,190
CTS 3.0L 6-cyl RWD Manual 6-spd 3.0L 6-cyl RWD 16 26 19 $3,420
CTS 6.2L 8-cyl supercharged RWD Manual 6-spd 6.2L 8-cyl supercharged RWD 14 19 16 $5,010
Show 3 more configurations
2013 Cadillac CTS gas configurations: EPA ratings and annual cost (+3)
TrimEngineDriveCityHwyComb.$/yr
Wagon 6.2L 8-cyl supercharged RWD Manual 6-spd6.2L 8-cyl superchargedRWD141916$5,010
CTS 6.2L 8-cyl supercharged RWD Automatic (S6)6.2L 8-cyl superchargedRWD121814$4,710
Wagon 6.2L 8-cyl supercharged RWD Automatic (S6)6.2L 8-cyl superchargedRWD121814$5,800

3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2012 Cadillac CTS MPG

14–21 MPG · $3,040–$5,630/yr

Versus 2011: The most efficient configuration stays at 21 MPG. Its annual cost stays at $3,040.

Gas · 3.0L, 3.6L, 6.2L
Combined
14–21 MPG
Per year
$3,040–$5,630

Gas configurations (13)

2012 Cadillac CTS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CTS 3.0L 6-cyl RWD (Most efficient) 3.0L 6-cyl RWD 18 27 21 $3,040
Wagon 3.0L 6-cyl RWD 3.0L 6-cyl RWD 18 27 21 $3,040
CTS 3.6L 6-cyl RWD Automatic (S6) 3.6L 6-cyl RWD 18 27 21 $3,110
CTS 3.6L 6-cyl AWD 3.6L 6-cyl AWD 18 26 21 $3,140
Wagon 3.6L 6-cyl AWD 3.6L 6-cyl AWD 18 26 21 $3,140
Wagon 3.6L 6-cyl RWD 3.6L 6-cyl RWD 18 26 21 $3,160
Show 3 more configurations
2012 Cadillac CTS gas configurations: EPA ratings and annual cost (+7)
TrimEngineDriveCityHwyComb.$/yr
CTS 3.0L 6-cyl AWD3.0L 6-cylAWD182621$3,180
Wagon 3.0L 6-cyl AWD3.0L 6-cylAWD182621$3,180
CTS 3.6L 6-cyl RWD Manual 6-spd3.6L 6-cylRWD162619$3,390
CTS 6.2L 8-cyl supercharged RWD Manual 6-spd6.2L 8-cyl superchargedRWD141916$5,070
Wagon 6.2L 8-cyl supercharged RWD Manual 6-spd6.2L 8-cyl superchargedRWD141916$5,070
CTS 6.2L 8-cyl supercharged RWD Automatic (S6)6.2L 8-cyl superchargedRWD121814$5,630
Wagon 6.2L 8-cyl supercharged RWD Automatic (S6)6.2L 8-cyl superchargedRWD121814$5,630

4 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2011 Cadillac CTS MPG

14–21 MPG · $3,040–$5,720/yr

Versus 2010: The most efficient configuration moves from 22 to 21 MPG, down 1. Its annual cost goes from $2,970 to $3,040, $70 more.

Gas · 3.0L, 3.6L, 6.2L
Combined
14–21 MPG
Per year
$3,040–$5,720

Gas configurations (14)

2011 Cadillac CTS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CTS 3.0L 6-cyl RWD Automatic (S6) (Most efficient) 3.0L 6-cyl RWD 18 27 21 $3,040
Wagon 3.0L 6-cyl RWD 3.0L 6-cyl RWD 18 27 21 $3,040
CTS 3.6L 6-cyl RWD Automatic (S6) 3.6L 6-cyl RWD 18 27 21 $3,110
CTS 3.6L 6-cyl AWD 3.6L 6-cyl AWD 18 26 21 $3,130
Wagon 3.6L 6-cyl AWD 3.6L 6-cyl AWD 18 26 21 $3,130
Wagon 3.6L 6-cyl RWD 3.6L 6-cyl RWD 18 26 21 $3,150
Show 4 more configurations
2011 Cadillac CTS gas configurations: EPA ratings and annual cost (+8)
TrimEngineDriveCityHwyComb.$/yr
CTS 3.0L 6-cyl AWD3.0L 6-cylAWD182621$3,190
Wagon 3.0L 6-cyl AWD3.0L 6-cylAWD182621$3,190
CTS 3.0L 6-cyl RWD Manual 6-spd3.0L 6-cylRWD162619$3,390
CTS 3.6L 6-cyl RWD Manual 6-spd3.6L 6-cylRWD162519$3,400
CTS 6.2L 8-cyl supercharged RWD Manual 6-spd6.2L 8-cyl superchargedRWD141916$5,010
Wagon 6.2L 8-cyl supercharged RWD Manual 6-spd6.2L 8-cyl superchargedRWD141916$5,010
CTS 6.2L 8-cyl supercharged RWD Automatic (S6)6.2L 8-cyl superchargedRWD121814$5,580
Wagon 6.2L 8-cyl supercharged RWD Automatic (S6)6.2L 8-cyl superchargedRWD121814$5,720

4 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2010 Cadillac CTS MPG

14–22 MPG · $2,970–$5,740/yr

Versus 2009: The most efficient configuration moves from 21 to 22 MPG, up 1. Its annual cost goes from $3,110 to $2,970, $140 less.

Gas · 3.0L, 3.6L, 6.2L
Combined
14–22 MPG
Per year
$2,970–$5,740

Gas configurations (12)

2010 Cadillac CTS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CTS 3.0L 6-cyl RWD Automatic (S6) (Most efficient) 3.0L 6-cyl RWD 18 27 22 $2,970
Wagon 3.0L 6-cyl RWD 3.0L 6-cyl RWD 18 27 22 $2,970
CTS 3.6L 6-cyl RWD Automatic (S6) 3.6L 6-cyl RWD 18 27 21 $3,110
CTS 3.6L 6-cyl AWD 3.6L 6-cyl AWD 18 27 21 $3,110
Wagon 3.6L 6-cyl RWD 3.6L 6-cyl RWD 18 26 21 $3,110
Wagon 3.6L 6-cyl AWD 3.6L 6-cyl AWD 18 26 21 $3,110
Show 2 more configurations
2010 Cadillac CTS gas configurations: EPA ratings and annual cost (+6)
TrimEngineDriveCityHwyComb.$/yr
CTS 3.0L 6-cyl AWD3.0L 6-cylAWD182621$3,110
Wagon 3.0L 6-cyl AWD3.0L 6-cylAWD182621$3,110
CTS 3.6L 6-cyl RWD Manual 6-spd3.6L 6-cylRWD162519$3,440
CTS 3.0L 6-cyl RWD Manual 6-spd3.0L 6-cylRWD162619$3,440
CTS-V 6.2L 8-cyl supercharged RWD Manual 6-spd6.2L 8-cyl superchargedRWD141916$5,020
CTS-V 6.2L 8-cyl supercharged RWD Automatic (S6)6.2L 8-cyl superchargedRWD121814$5,740

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2009 Cadillac CTS MPG

Same EPA ratings as 2008

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

2008 Cadillac CTS MPG

19–21 MPG · $3,110–$3,440/yr
Gas · 3.6L
Combined
19–21 MPG
Per year
$3,110–$3,440

Gas configurations (5)

2008 Cadillac CTS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CTS 3.6L 6-cyl RWD Automatic (S6) (Most efficient) 3.6L 6-cyl RWD 18 26 21 $3,110
CTS 3.6L 6-cyl RWD Automatic (S6) 3.6L 6-cyl RWD 17 26 20 $3,270
CTS 3.6L 6-cyl 4WD Automatic (S6) 3.6L 6-cyl 4WD 17 25 20 $3,270
CTS 3.6L 6-cyl 4WD Automatic (S6) 3.6L 6-cyl 4WD 17 26 20 $3,270
CTS 3.6L 6-cyl RWD Manual 6-spd 3.6L 6-cyl RWD 16 25 19 $3,440

Fuel cost by state

Yearly cost of the CTS 3.0L 6-cyl RWD: $4,130 in California and $2,650 in Texas, a $1,480 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 MY2013 midsize 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

Frequently asked questions

What gas mileage does the 2008-2013 Cadillac CTS get?

EPA rates the 2008-2013 Cadillac CTS at 14–22 MPG combined across 62 configurations and 6 model years. The most efficient version, the 2010 CTS 3.0L 6-cyl RWD, is rated 22 MPG (18 city, 27 highway).

Which years had the best MPG in the 2008-2013 Cadillac CTS?

The CTS 3.0L 6-cyl RWD reached the generation's best combined rating, 22 MPG, in 2010. The lowest top rating, 21 MPG, was in 2008, 2009, 2011, 2012 and 2013.

Did EPA ratings change during the 2008-2013 Cadillac CTS?

Yes. Ratings changed in 2010, 2011, 2012 and 2013. In 2009 the values repeat the year before.

How does the 2008-2013 Cadillac CTS compare with the previous generation?

The previous generation (2003-2007 Cadillac CTS) is rated 16–19 MPG combined and costs $3,440–$5,020 a year to fuel; the 2008-2013 model is rated 14–22 MPG and costs $2,970–$5,800 a year.

How much does it cost to fuel a 2013 Cadillac CTS per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the CTS 3.0L 6-cyl RWD costs about $3,040 a year. Across all 13 configurations the cost runs $3,040–$5,800 a year. That is a $2,760 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2013 Cadillac CTS 100 miles?

About $20.27 per 100 miles for the CTS 3.0L 6-cyl RWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $20.27 and $38.67 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2013 Cadillac CTS more efficient in the city or on the highway?

The CTS 3.0L 6-cyl RWD is rated 18 city and 27 highway MPG, so it is more efficient on the highway, by 9 MPG.

How does the 2013 Cadillac CTS compare with other midsize car configurations?

The CTS 3.0L 6-cyl RWD costs about $3,040 a year to fuel, $280 more than the class median of $2,760, and less than 4 of 10 midsize car configurations. The comparison covers all 186 rated midsize car configurations for MY2013, not weighted by sales.

Is the 2013 Cadillac CTS different from the 2012 model?

The most efficient configuration stays at 21 MPG. Its annual cost stays at $3,040. EPA lists 13 configurations for 2013 against 13 configurations for 2012. See the 2012 Cadillac CTS for that year.