Bullish
GM's stock rises 2.5% to $80.23 amid new diesel engine announcement
In the past 24 hours, General Motors (GM) unveiled its new 8.3-liter Duramax diesel V-8 engine, named "Mongoose," generating 555 horsepower and 1,230 lb-ft of torque. This announcement has positively impacted GM's stock, which rose 2.5% to $80.23. The new engine is set to power the 2027 Chevrolet Silverado HD and GMC Sierra HD models, enhancing GM's competitive position in the heavy-duty truck market.
Key points
- GM's stock increased by 2.5% to $80.23 following the "Mongoose" engine announcement.
- The 8.3-liter Duramax diesel V-8 engine delivers 555 horsepower and 1,230 lb-ft of torque.
- The new engine will be featured in the 2027 Chevrolet Silverado HD and GMC Sierra HD models.
Sources
- GM Teases New Duramax Diesel 8.3-Liter Engine Called ‘Mongoose’Car and Driver · September 21, 2026
- GM's third-quarter US sales fallStockopedia · October 1, 2026
- GM's 2027 Truck Engine Lineup Has More V8s and a Monster New DieselAutoblog · October 1, 2026
- GM Unveils New 555-HP Duramax 8.3-liter Turbo-Diesel V-8The ClassicCars.com Journal · September 25, 2026
AI-generated from public news sources. Not financial advice.
