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gmauthority. com > blog > 2026 > 04 > gm-tells-dealers-v8-engine-ticking-sound-at-idle-is-normal

GM Tells Dealers V8 Engine Ticking Sound At Idle Is Normal

12+ hour, 17+ min ago  (381+ words) April 8, 2026 2: 24 pm GM's guidance arrives amid separate troubles for the 6. 2 L V8 L87. Federal investigators continue probing post-recall engine failures, and the L87 remains under a standing recall campaign. That unrelated durability headache does not change the verdict on the idle tick. Owners…...

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gmauthority. com > blog > 2026 > 04 > renaissance-center-no-longer-bears-the-gm-logo

Renaissance Center No Longer Bears The GM Logo

1+ day, 13+ hour ago  (443+ words) GM Authority In order to post or reply to comments, or manage your user settings Register at GM Authority The General Motors logo no longer lights up the tallest tower of Detroit's Renaissance Center, according to Crain's Detroit Business. Three…...

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gmauthority. com > blog > 2026 > 04 > heres-when-production-of-the-next-gen-2028-cadillac-xt5-will-start

When Production Of The Next-Gen 2028 Cadillac XT5 Starts

1+ day, 7+ hour ago  (286+ words) April 7, 2026 7: 16 pm According to GM Authority sources, production of the 2028 Cadillac XT5 is currently scheduled to begin in the fourth quarter of the 2027 calendar year, lining up with a launch for the 2028 model year. This updated timing clarifies earlier expectations, which…...

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gmauthority. com > blog > 2026 > 04 > 2027-corvette-grand-sport-x-gets-improved-stealth-mode-compared-to-e-ray

2027 Corvette Grand Sport X Gets Improved Stealth Mode

2+ day, 15+ hour ago  (411+ words) Compared To E-Ray'GM Authority In order to post or reply to comments, or manage your user settings Register at GM Authority Corvette engineers rarely rest. They take a perfectly capable system and find room for improvement. The 2027 Corvette Grand Sport…...

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gmauthority. com > blog > 2026 > 04 > new-cadillac-xt4-inventory-almost-all-sold-out-in-the-u-s

New Cadillac XT4 Inventory Almost All Sold Out In The U. S.

5+ day, 11+ hour ago  (278+ words) April 3, 2026 3: 30 pm New U. S. inventory for the Cadillac XT4 luxury crossover is nearly exhausted. Buyers who still want a new Cadillac XT4 are effectively shopping from the final scraps of dealer stock, with asking prices currently ranging from $36, 000 to $52, 000. At this stage, availability…...

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gmauthority. com > blog > 2026 > 03 > no-gm-hasnt-removed-dfm-in-2026-chevy-silverado-gmc-sierra-ai-slop-report > amp

GM Hasn't Removed DFM In 2026 Chevy Silverado, GMC Sierra

1+ week, 1+ day ago  (180+ words) Another day, another algorithm churns out falsehoods larping as journalism. This time, the target is General Motors" Dynamic Fuel Management (DFM) system, with a fresh round of AI-generated slop claiming GM has removed the cylinder-deactivation tech from the 2026 Chevy Silverado…...

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gmauthority. com > blog > 2026 > 03 > should-chevy-introduce-a-corvette-z06x > amp

Should Chevy Introduce A Corvette Z06 X?

1+ week, 4+ day ago  (224+ words) The Grand Sport X builds on that formula by adding a front-mounted electric motor, doling out a combined 721 horsepower while enhancing traction and even offering all-electric settings like Stealth and Shuttle mode for quiet, low-speed transportation when needed. Meanwhile, the…...

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gmauthority. com > blog > 2026 > 03 > kids-ride-cadillac-ct5-like-street-surfing-boogie-board

Kids Ride Cadillac CT5 Like Street-Surfing Boogie Board

2+ week, 1+ day ago  (288+ words) March 24, 2026 3: 15 pm A new viral video is making the rounds on social media showing a Cadillac CT5 luxury sedan doubling as a street-surfing boogie board. The video was apparently captured in Birmingham, Alabama by another motorist driving behind the Caddy, showing…...

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gmauthority. com > blog > 03/20/202627-gmc-yukon-is-it-really-getting-the-supercharged-6-2l-v8-lt4-engine > amp

2027 GMC Yukon: Supercharged 6. 2 L V8 LT4 Engine?

2+ week, 5+ day ago  (288+ words) You may have heard some rumors out on the web today telling you that the 2027 GMC Yukon and 2027 GMC Yukon XL are getting the supercharged 6. 2 L V8 LT4 engine, which would put it into the same league as the high-performance Cadillac Escalade-V....

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gmauthority. com > blog > 2026 > 03 > gm-releases-fix-for-cadillac-optiq-audio-loss > amp

GM Releases Fix For Cadillac Optiq Audio Loss

3+ week, 21+ hour ago  (47+ words) Thanks to its elevated suspension and rugged appearance. Could Vin Fast be a serious player in the U. S. ? Network continues to expand across the U. S. Starting MSRP is $66, 495 on extended-length full-size SUV. Including which trims offer which combos. Plus smart charging features....