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Byline: JOHN D. STOLL
After more than two decades of service, GM is replacing its aging S-10/Sonoma pickup line this November with the Chevrolet Colorado and GMC Canyon duo.
GM's redesigned compacts arrive in advance of redesigned small trucks from Toyota, Nissan and Dodge due in 2005. GM not only beats them to the party, but brings an unexpected level of refinement for this class. GM claims its twins top the class in handling, driveability and cabin space. Immediately evident is a substantial power boost over their predecessors, with new inline four- and five-cylinder engines based on the 4.2-liter inline six introduced two years ago on midsize sport/utilities.
Steering feel improves with a switch from the old truck's recirculating-ball system to a rack-and-pinion setup. GM also says this truck is significantly stiffer than its predecessor, and that it did a lot of work to cut vibration transmitted through the body and engine mounts. Three suspensions are available, Z85 heavy-duty, Z71 off-road and the Chevy's ZQ8 sport model that offers aggressive steering rates, a two-inch-lower ride height, stiffer coil springs and high-pressure shocks. The Z85 two-wheel-drive models use stamped A-arms with coils over shocks in front; the four-wheeler's torsion-bar front suspension raises it two inches. An off-road package available in both two- and four-wheel-drive models raises the body three inches over the base truck. Four-wheelers add a skid plate for more off-road protection.
The two inline engines, a 2.8-liter four and a ...