The Kremlin is a geometric green coupe with a hubcap missing on the front left wheel. The inside of the car is stuffed with comic memorabilia. During Level 1, Level 4 and Level 5, Comic Book Guy appears in the driver's seat. The car bears a strong resemblance to the real life 1974 AMC Gremlin.
The Kremlin first appears in Level 2, when Bart and Comic Book Guy race the Nerd Car to the internet cafe to complain about the new McBain film online. Next, it appears in Level 3, when again Comic Book Guy has to race the Nerd Car, except with Lisa and to obtain a copy of a controversial Itchy and Scratchy comic. Finally, the car is earned in Level 4, after Marge retrieves intercepted gifts Comic Book Guy has been sending to Agnes Skinner.
- Despite the Kremlin sharing the name of the presidential residence in Russia and previously the Soviet Union, the name of the car more likely derives its name from the car it's based off of, the AMC Gremlin.