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- GM Authority Morning Digest for August 29, 2025
GM Authority Morning Digest for August 29, 2025
Your morning GM news and updates
Here’s today’s GM Authority Morning Digest…
1977 Pontiac LeMans Can Am Up For Auction In NY

The Can Am package was exclusive to the 1977 model year.
Ford Beats Corvette ZR1X Nürburgring Lap Time With A Van And A Pickup: Video

The all-time fastest Fords around the 'Ring.
Second-Gen Cadillac XT5 To Get Lineup Changes And New Colors

Second model year for the redesigned crossover.
Home Brew Four-Door 1967 Chevelle Makes An Honest 500 Horsepower: Video

Built in a garage, made for autocross.
Some Chevy Owner Manuals Need A Tire Chain Information Insert

Blazer EV, Equinox EV, Tahoe, Suburban, and Trailblazer affected.
Here Are The Cadillac CT4 Discount, Lease And Finance Deals In August 2025

Includes as a nationwide lease on small luxury performance sedan.
Some 2025 GMC Acadia Units Are Missing This Windshield Wiper Feature

No notice on the vehicle window sticker.
2026 Chevy Silverado EV Gets New Polar White Tricoat Color: First Look

Available on one of three trim levels.
All-New Chevy Groove Officially Introduced In South America

Following debuts in Mexico and the Middle East.
Zora Arkus-Duntov’s 1974 Corvette Now On Display At NCM: Photos

The only Corvette that ZAD ever owned.
GM Reducing GMC Hummer EV, Cadillac Escalade IQ Production At Factory Zero Plant

Resuming in October.
Here Are The GMC Sierra EV Discount, Lease And Finance Deals In August 2025

Includes low-interest long-term financing on premium all-electric pickup truck.
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