When we compare the Audi S5's and the Cadillac CTS-V's specifications and ratings, the Audi S5 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency. The Cadillac CTS-V has the advantage in the areas of interior volume and base engine power. Based on this comparison of the Audi S5's and the Cadillac CTS-V's specifications and ratings, the two cars are fairly comparable.
Audi S5 vs. Cadillac CTS-V Pricing
A used 2015 Audi S5 ranges from $18,590 to $30,827 while a used 2015 Cadillac CTS-V is priced between $30,980 to $54,800.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Audi S5’s base engine makes 333 horsepower, and the Cadillac CTS-V base engine makes 556 horsepower. The S5 is rated to deliver an average of 20 miles per gallon, with a highway range of 419 miles. The CTS-V is rated to deliver an average of 16 miles per gallon, with a highway range of 342 miles. This gives the Audi S5 the fuel efficiency and maximum range advantage over the Cadillac CTS-V. Both models use gasoline.
Passenger Space Comparison
The Cadillac CTS-V has the advantage of offering more interior volume, reflected in more front shoulder room, front leg room and rear leg room. The Audi S5, a sports car, has the advantage in the areas of front head room, rear head room, rear shoulder room, and cargo space.