Does YJ Stand For Anything On A Jeep? Understanding The Company’s Model Codes

The following entries in Jeep’s lineup do not have as many generations as the aforementioned ones. Yet, they carry the two-digit codes Jeep is well known for. They include the Jeep Gladiator, Compass, Renegade, Wagoneer, Commander, and Avenger. To start, the Gladiator had the Gladiator JT, which debuted in 2019 and is still in production today. The 2025 variant of this vehicle comes equipped with a 3.6-liter V-6 that pushes out 285 horsepower. 

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For the Jeep Compass, two generations exist. These include the MK, which was released between 2007 and 2017, and the MP, which continued the MK’s reign from 2017 and is still in production. The initial MK base model came with a 2.0-liter four-cylinder engine that produced 158 horsepower, while the 2017 MP came with a 2.4-liter four-cylinder engine that produced 180 horsepower. 

The first generation of the Jeep Wagoneer, the SJ, was released in 1963. It had an impressive 29-year run before ending production in 1991. In 2021, Jeep reintroduced the Wagoneer under the WS model code, offering a Wagoneer and Grand Wagoneer option. As for the Jeep Renegade, only a single model code, the BU, exists. The BU debuted in 2015 and is a subcompact SUV that can comfortably traverse off-road terrain.

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The Jeep Avenger, which only has one model code, the JJ, was released in 2023. An electric SUV, the Avenger JJ, comes with up to 248 miles of electric range. Finally, the Jeep Commander has three generations: the XK, WK2, and H1/H6. Jeep released the  XK between 2006 and 2010, the WK2 between 2018 and 2022, and H1/H6, which is still in production, in 2021.

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