Like all Duesenbergs, the bodywork was created by a custom coachbuilder on the factory chassis, in this case by the firm of A. H. Walker of Indianapolis. In 1934, the Walker Aerodynamic Coupe cost $25,000, making it the most expensive Duesenberg ever produced. It was made for pharmacy tycoon Josiah Lilly, and is currently owned by Jay Leno.
The Duesenberg Walker Coupe can be found inside the Angel City Security garage at the Automobile Club of Southern California building complex at the corner of Santa Monica Boulevard and El Centro Avenue.
- Although the showroom lists the Walker's top speed at its real-life 140 mph, like all the game's fastest cars the in-game speed is capped at around 86 mph.
- With 265 horsepower and a top speed of 140 miles per hour, the Duesenberg Walker Coupe is the most powerful car in the game.
- Its model is similar to the Z-Type, a car featured in Grand Theft Auto V.