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Cadillac STS Gas Mileage (MPG)

Cadillac STS Gas Mileage (MPG):

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Cadillac STS's real-world MPG based on how and where you drive a car.

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Cadillac STS

If you are not a TrueDelta member, you can see only five Cadillac STS MPG gas mileage averages for each powertrain. Log in or join us to see them all.

Cadillac STS Gas Mileage

Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD		 mtns light none 0 0 0 100 65 24.5
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD		 mtns light none 0 0 0 100 65 24.5
  Averages mtns light none 0 0 0 100 65 24.5
With the 320-horsepower 4.6L V8 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2006 Cadillac STS fuel economy has been averaging 24.5 MPG (miles per gallon).

The 2006 Cadillac STSs in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 100 percent of the miles driven). The rest of the miles were in heavy traffic (0 percent), in the suburbs (0 percent), and in the city (0 percent).

In addition the average 2006 Cadillac STS in this analysis was driven on mountainous terrain with a light foot and the AC not used at all.

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If you are not a TrueDelta member, you can see only five Cadillac STS MPG fuel economy averages for each powertrain. Log in or join us to see them all.

 

What Our Members Are Saying about the Real Cadillac STS MPG

Cadillac STS Fuel Economy: Cons
YearBody/PowertrainComment
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD		 16 city/21 highway. Buy it only if you can afford it with out complaining.
2005 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic AWD		 This car is thirsty. I live in flat country and I get 15 mpg with 80% highway traffic. I only get 19 mpg on trips. It probably needs a 6th speed overdive for the highway.