From Road & Track · Matt Farah · · 2m
Idaho’s Dam Roads and the 2027 Corvette Grand Sport
Driving the 2027 Corvette Grand Sport through Idaho’s dam roads reveals a balance of power and comfort.
In brief
Driving the 2027 Corvette Grand Sport through Idaho’s dam roads reveals a balance of power and comfort. The 2027 Chevrolet Corvette Grand Sport offers a sweet spot between performance and drivability for road trips. Originally reported by Road & Track.
Finding the Best Roads
The author started finding roads before becoming an automotive journalist, using early Google Earth to locate driving routes.
Dam Roads Hypothesis
Dams create high-elevation lakes and often have dramatic driving roads around them.
Dworshak Dam Introduction
Dworshak Dam, the third-tallest dam in the U.S., is 717 feet high and provides hydroelectric power.
Dworshak Dam Access
Visitors can access Dworshak Dam from the northern and southern ends with scenic overlooks.
2027 Corvette Grand Sport
The 2027 Chevrolet Corvette Grand Sport features a 6.7-liter V-8 engine producing 535 hp and 520 lb-ft of torque.
Grand Sport History
The Grand Sport name has been used since the 1960s for high-performance Corvettes, with recent revivals.
Dworshak Dam Construction
Dworshak Dam was completed in 1973 after five years of continuous concrete pouring.
Road Trip Route
The author drives from Dworshak Dam to Post Falls Dam, passing through the Saint Joe National Forest and lakes.
Grand Sport Performance
The Grand Sport has a torque peak at 6100 rpm, 200 rpm lower than the Z06’s torque peak.
Grand Sport Chassis
The Grand Sport features magnetorheological active shocks and the same tire-and-wheel combo as the Z06.
Driving Experience
The Grand Sport offers a relaxed driving experience with less need for downshifting compared to the Z06.
Post Falls Dam
Post Falls Dam is made of three embankments, with the North Dam being the most accessible.
Road Conditions
State Highway 97 offers scenic views of Coeur d’Alene Lake with elevation changes and curves.
Carbon-Ceramic Brakes
The Grand Sport’s carbon-ceramic brakes shine on winding roads with sharp turns.
Engine Comparison
The Grand Sport’s LS6 engine produces 60 lb-ft more torque than the Z06’s flat-plane LT6 at 1700 rpm lower.
Price Comparison
A base Grand Sport costs $88,495, while a base Z06 starts at $123,995.
In short
The 2027 Chevrolet Corvette Grand Sport offers a sweet spot between performance and drivability for road trips.
