Autos
2027 GMC Sierra 1500 Completely Redesigned, Gets GM's New 481-HP V8
The next-gen pickup gets revamped inside and out and offers GM's most powerful V8 for a half-ton truck.
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Latest on Sierra
Newest firstAutos
GM Recalls 1,559 Silverado And Sierra Trucks For Roof-Rail Airbag Inflators That Can Crack And Rupture
Third-generation Chevrolet Silverado and GMC Sierra trucks built in 2016 and 2017 face a new roof-rail airbag recall affecting 1,559 vehicles.
Autos
GM's New Mongoose 8.3-Liter Duramax Diesel Makes 555 HP, 1,230 LB-FT
The all-new V-8 powers the 2027 Chevy Silverado HD and GMC Sierra HD, with maximum towing capacity climbing to 38,000 pounds.
AI
AI agents could change how software companies get paid, Sierra co-founder says
AI agents are designed to do more than answer questions. They are meant to complete tasks. Sierra co-founder Clay Bavor joins CNBC's Arjun Kharpal to discuss h…
Sierra cofounder says some of his best employees are AI-savvy 22-year-olds
Sierra cofounder says some of his best employees are AI-savvy 22-year-olds
Autos
GM reveals 2027 GMC Sierra pickup with new V-8 engines, redesigned styling
The new GMC Sierra trucks are crucial to GM's sales and earnings, especially highly profitable luxury Denali and off-road AT4 models.
AI
Sierra raises $950M as the race to own enterprise AI gets serious
The raise gives Sierra more than $1 billion to work with - capital the company says it will use to become the "global standard" for AI-powered customer experie…
Technology
Bret Taylor's Sierra raises nearly $1 billion months after last capital push
Sierra's $950 million Series E funding round was led by Tiger and Google's GV, with participation from Benchmark, Sequoia, Greenoaks and others.
Can Sierra Leone Still Keep Its Mothers Alive?
What foreign aid cuts mean in practice in one African country.
All 9 avalanche victims recovered from California's Sierra Nevada, sheriff says
All nine avalanche victims have been recovered from California's Sierra Nevada, Nevada County Sheriff Shannan Moon said Saturday at a news conference.
Industrials
2026 GMC Sierra, Chevy Silverado Get Supercharged to 1,000 HP by SVE
The new specialty, limited-edition pickups bring more than twice the horsepower of the standard factory models' V8 option.
Autos
New Chevrolet Silverado And GMC Sierra Trucks Debut This Year
General Motors is also gearing up to begin producing its sixth-generation V8 for the truck in 2027.
Commodities
Sierra Madre buys second silver mine from First Majestic in $60M deal
The Del Toro operation includes three fully permitted underground mines and a 3,000-tonne-per-day flotation processing circuit.
Saturday Sessions: Sierra Hull performs "Lord, That's a Long Way"
Sierra Hull is a singer and mandolin player who has collaborated with stars like Dolly Parton and Eric Clapton. The Tennessee native's album, "A Tip Toe High W…
Autos
GMC Expands 2026 Sierra EV Lineup with New Elevation, Off-Road AT4
The electric midsize pickup truck now comes in three trims with lower prices, up to 760 horsepower and battery ranges of 283 to...
AI
Bret Taylor's Sierra reaches $100M ARR in under two years
The startup's rapid growth suggests that enerprises are embracing AI agents.
Ousted Sierra Club Chief Says Racism, Not Harassment Claims, Were Behind Firing
'How racial retaliation works'
Consumer
Shooting at Reno casino Grand Sierra Resort leaves 3 dead and 3 hurt, authorities say
At least three people were killed and three others were injured by a gunman at the Grand Sierra Resort casino in Reno, Nevada, on Monday, authorities said.
Nature: Horses in the Sierras
We leave you this Sunday morning with horses, and offspring, marking Father's Day at Inyo National Forest in the Sierras of California. Videographer: Carl Mroz…
Industrials
Sierra Space launches defense-focused business
Over the last two years, Sierra Space has been awarded $1.5 billion in defense contracts for satellites and components.
Commodities
Sierra Metals Reviews Alpayana's Increased Takeover Bid Of C$1.15 Per Share
(RTTNews) - Sierra Metals Inc. (SMT.TO) Friday announced that it has acknowledged a revised offer from Alpayana S.A.C., which raised its proposed takeover bid…
