2020 AEV Colorado ZR2 and ZR2 Bison step way up

·2 min read



When we drove the Chevrolet Colorado ZR2 Bison, a harder-core version developed with American Expedition Vehicles (AEV), we called it "improved, but not transformed." The GM-built Bison upgraded the already-stout Colorado ZR2 with five boron steel shields and added backwoods gear like recovery points and fog lights, but didn't modify the pickup's capabilities. Late last year, AEV marketing manager Matt Felderman said the company had a more potent Bison version in mind for 2020, the Wixom, Michigan-based firm delivering with the new AEV ZR2 and AEV ZR2 Bison. These versions improved off-road competence with performance upgrades that will make themselves apparent on any trail.

The Bison begins with the $5,750 Bison option package for the Colorado ZR2, and costs another $11,949 on top of that. For that money, AEV installs a GM Performance tie rod sleeve kit, 4.10 gearing, GM Performance suspension leveling kit, rear differential skid plate, and AEV jack base. The wheel and tire package jettisons the gray 17-inch aluminum wheels wearing 31-inch Goodyear Wrangler Duratrac tires, fitting a set of AEV's Crestone Onyx DualSport beadlock wheels on 35-inch BFG Mud-Terrains underneath HighMark fender flares. AEV adds a tire pressure monitoring system and recalibrates the speedometer in the AEV instrument cluster to ensure proper results from the larger rolling stock. Cosmetic changes include logo headrests and AEV badging throughout.

The AEV ZR2 actually costs more than the Bison, the package running $12,999. Instead of using the ZR2 Bison as a starting point it begins with the standard ZR2, meaning that features like the boron steel skid plates need to be specced on the options page. However, the ZR2 includes everything from above, as well as a Bison rear bumper, and based on the options list the ZR2 fits a winch, whereas on the Bison the AEV winch package is a $2,313 extra. The snorkel is an $859 option on both models.

We're not sure if AEV plans to limit the build numbers for either truck — but both are on the AEV site now and ready for order.

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