When we compare the Cadillac CT4's and the Cadillac ATS's specifications and ratings, the Cadillac CT4 has the advantage in the areas of fuel efficiency and interior volume. The Cadillac ATS has the advantage in the areas of resale value and base engine power. Based on this comparison of the Cadillac CT4's and the Cadillac ATS's specifications and ratings, the two cars are fairly comparable.
Cadillac CT4 vs. Cadillac ATS Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the Cadillac CT4 loses 49.1 percent of its value and the Cadillac ATS loses 47.7 percent of its value. This means the Cadillac ATS retains 1.4 percentage points more of its value and has the advantage of higher resale value versus the Cadillac CT4.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Cadillac CT4’s base engine makes 237 horsepower, and the Cadillac ATS base engine makes 272 horsepower. The CT4 is rated to deliver an average of 26 miles per gallon, with a highway range of 544 miles. The ATS is rated to deliver an average of 25 miles per gallon, with a highway range of 480 miles. This gives the Cadillac CT4 the fuel efficiency and maximum range advantage over the Cadillac ATS. Both models use premium unleaded.
Passenger Space Comparison
While both models are compact cars, the Cadillac CT4 has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, front leg room, rear head room, rear shoulder room, and cargo space. The Cadillac ATS has the advantage in the area of rear leg room.