Contact specialist car lots or classic car lots that specialise in the purchase
and sale of vintage automobiles. They could have a clientele that is keen on older
Cadillacs like the DTS, and so be able to provide a more personalized buying experience.
Look into internet markets like Hemmings and ClassicCars.com that cater only to collector and historic automobiles.
The Maverick variant runs only on gasoline and has a turbocharged engine, and it gets somewhat higher gas efficiency (28 mpg combined) than the standard model (26 mpg combined).