When comparing the Audi A6's and the Cadillac CTS's specifications and ratings, the Audi A6 has the advantage in the areas of fuel efficiency, reliability, interior volume and overall quality score. The Cadillac CTS has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, resale value and base engine power. Based on this comparison of the Audi A6's and the Cadillac CTS's specifications and ratings, the Audi A6 is a better car than the Cadillac CTS.
Audi A6 vs. Cadillac CTS Pricing
A used 2019 Audi A6 ranges from $29,978 to $43,952 while a used 2019 Cadillac CTS is priced between $24,599 to $36,645.
Audi A6 vs. Cadillac CTS Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the Audi A6 loses 58.2 percent of its value and the Cadillac CTS loses 58.2 percent of its value. This means the Cadillac CTS retains 0.1 percentage points more of its value and has the advantage of higher resale value versus the Audi A6.
Audi A6 vs. Cadillac CTS Quality Rating
The iSeeCars Overall Quality rating for the Audi A6 is 8.4 out of 10 while the Cadillac CTS's quality rating is 8.2 out of 10. This results in the Audi A6 being ranked 7 out of 29 Best Luxury Midsize Cars and the Cadillac CTS being ranked 11 out of 29.
Audi A6 vs. Cadillac CTS Reliability Rating
iSeeCars’ Reliability Rating for the Audi A6 is 8.7 out of 10. For the Cadillac CTS the reliability rating is 8.0 out of 10. This gives the Audi A6 a slight advantage in reliability compared to the Cadillac CTS.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Audi A6’s base engine makes 248 horsepower, and the Cadillac CTS base engine makes 268 horsepower. The A6 is rated to deliver an average of 27 miles per gallon, with a highway range of 618 miles. The CTS is rated to deliver an average of 25 miles per gallon, with a highway range of 570 miles. This gives the Audi A6 the fuel efficiency and maximum range advantage over the Cadillac CTS. Both models use premium unleaded.
Passenger Space Comparison
While both models are midsize cars, the Audi A6 has the advantage of offering more interior volume, reflected in more front shoulder room, rear head room, rear shoulder room and rear leg room. The Cadillac CTS has the advantage in the areas of front head room and front leg room. The Audi A6 and Cadillac CTS are comparable in regards to cargo space.
Safety Ratings Comparison
When comparing crash test ratings from NHTSA, both the Audi A6 and the Cadillac CTS have the same average safety rating of 5 out of 5 Stars.