

MPG | Number of Vehicles |
16 miles per gallon | 1 vehicles |
17 miles per gallon | 0 vehicles |
18 miles per gallon | 1 vehicles |
19 miles per gallon | 0 vehicles |
20 miles per gallon | 0 vehicles |
21 miles per gallon | 0 vehicles |
22 miles per gallon | 0 vehicles |
23 miles per gallon | 1 vehicles |
24 miles per gallon | 0 vehicles |
25 miles per gallon | 2 vehicles |
26 miles per gallon | 1 vehicles |
27 miles per gallon | 1 vehicles |
Model Year | Body/Powertrain | MPG | |
2003 | 2003 4dr Sedan 304-hp 3.6L V6 6-sp shiftable automatic RWD | 22.89 | See all data |
With the 318-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and rear-wheel drive, the 2003 Cadillac CTS has been averaging 22.89 MPG (miles per gallon). The 2003 Cadillac CTSs in this analysis were driven mostly on the highway at an average speed of 91 miles per hour (about 39.6 percent of the miles driven). The rest of the miles were in the city (17.1 percent), in heavy traffic (10.4 percent), and in the suburbs (0 percent). In addition, the average 2003 Cadillac CTS in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
What Our Members Are Saying about the Real Gas Mileage of the 2003 Cadillac CTS
5-speed automatic RWD
5-speed automatic RWD
5-speed automatic RWD
5-speed automatic RWD