As we covered previously, the Start of Regular Production (SORP) for the mildly refreshed Chevy Colorado and GMC Canyon launched on June 26th at the GM Wentzville plant in Missouri, making the pickups the first U.S.-built 2021 model year GM vehicles to roll off the line. However, orders for the 2021 Chevrolet Colorado diesel and 2021 GMC Canyon diesel opened up slightly after SORP to allow for engine certification by the EPA and CARB, which has now taken place. As such, orders for these trucks are opening up tomorrow.
Back in April, we speculated that the Colorado diesel and GMC diesel were in danger of disappearing following GM’s withdrawal of the Chevy brand from the domestic market in Thailand, which included manufacturing operations. Those manufacturing operations encompassed production of the turbodiesel 2.8L inline four-cylinder LWN Duramax engine, the same engine used in the 2021 Chevrolet diesel and 2021 GMC Canyon diesel.
However, according to GM International Director of Communications George Svigos, General Motors has ensured a “continued supply of 2.8L diesel engines for global vehicles,” per a written statement to GM Authority.
The 2021 Chevrolet Colorado diesel and 2021 GMC Canyon diesel join two other engine options for the mildly refreshed pickup trucks, including the naturally aspirated 3.6L V6 LGZ, and the naturally aspirated 2.5L inline four-cylinder LCV. The LWN diesel engine and LCV gas engine both mate to the six-speed MYB automatic transmission, while the LGZ V6 mates to the eight-speed M5T automatic transmission.
The current second-gen Chevrolet Colorado and GMC Canyon are expected to retire around the 2023 model year, with the next-generation model offering a single engine option, namely a turbocharged 2.7L gas unit similar to the L3B.
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