Cadillac CT6 vs. Genesis G90

iSeeCars' unbiased and data-driven comparison of the Cadillac CT6 and Genesis G90 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Cadillac CT6 and the Genesis G90.

When we compare the Cadillac CT6's and the Genesis G90's specifications and ratings, the Cadillac CT6 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency. The Genesis G90 has the advantage in the areas of reliability, resale value, interior volume, overall quality score and base engine power. Based on this comparison of the Cadillac CT6's and the Genesis G90's specifications and ratings, the Genesis G90 is a better car than the Cadillac CT6.

Pricing: A used 2020 Cadillac CT6 ranges from $32,683 to $60,572 while a used 2020 Genesis G90 is priced between $35,285 to $51,690.

Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Cadillac CT6 loses 57.2 percent of its value and the Genesis G90 loses 56 percent of its value. This means the Genesis G90 retains 1.2 percentage points more of its value and has the advantage of higher resale value versus the Cadillac CT6.

Quality Rating: The iSeeCars Overall Quality rating for the Cadillac CT6 is 6.4 out of 10 while the Genesis G90's quality rating is 7.2 out of 10. This results in the Cadillac CT6 being ranked 18 out of 24 Best Luxury Large Cars and the Genesis G90 being ranked 12 out of 24.

Reliability Rating: iSeeCars’ Reliability Rating for the Cadillac CT6 is 5.9 out of 10. For the Genesis G90 the reliability rating is 6.7 out of 10. This gives the Genesis G90 a slight advantage in reliability compared to the Cadillac CT6.

Engine Power and Fuel Efficiency Comparison: For engine performance, the Cadillac CT6’s base engine makes 335 horsepower, and the Genesis G90 base engine makes 365 horsepower. The CT6 is rated to deliver an average of 21 miles per gallon, with a highway range of 518 miles. The G90 is rated to deliver an average of 20 miles per gallon, with a highway range of 548 miles.This gives the Cadillac CT6 the advantage in fuel efficiency and the Genesis G90 the advantage in maximum range. The CT6 uses regular unleaded, and the G90 uses premium unleaded.

Passenger Space Comparison: While both models are large cars, the Genesis G90 has the advantage of offering more interior volume, reflected in more front head room, front shoulder room and rear shoulder room. The Cadillac CT6 has the advantage in the areas of front leg room, rear leg room and cargo space. The Cadillac CT6 and Genesis G90 are comparable in regards to rear head room.