GM, Ford to lose share as Asian brands top half of U.S. sales, Cox Automotive forecasts

Stellantis N.V. (STLA) shares rose 3.52% on September 25, 2026, driven by investor confidence in its European EV strategy and cost-cutting measures. The company is investing over €1 billion in a French plant and targeting €6 billion in annual savings by 2028. STLA's stock has declined 16% over the past month, trading around $4.60. The company reported $153.5 billion in revenue and has a market cap of 0.07 times sales.

Tesla has begun customer deliveries of its Semi truck, showcasing a new 1.8 million-square-foot factory with a 50,000-truck annual capacity. The facility features advanced manufacturing technologies, including automated battery production and a high-capacity electrified monorail system. Tesla has redesigned the Semi for high-volume production, improving efficiency, reliability, and reducing costs.

Tesla began delivering its Semi trucks to customers, including PepsiCo, DHL, and U.S. Foods, nine years after initial plans. The long-range variant has a 500-mile range, and the standard version has 325 miles. Tesla aims to produce 50,000 Semis annually, with deliveries starting despite previous delays. The company did not disclose pricing or production volumes during the announcement.

Tesla has started volume production of its Semi truck at Gigafactory Nevada, with first deliveries this week. The truck has a range of 500 miles (Long Range) or 325 miles (Standard Range) and charges at up to 1.2 megawatts. Tesla has installed over 100 megawatt-capable charging stalls in Europe, though the truck is not due there until 2027. The largest order, 500 trucks, came from Einride for U.S. operations.

GM unveiled its 8.3L Duramax V8 engine, producing 555 hp and 1,230 lb-ft of torque, surpassing Ford's 6.7L Power Stroke. The engine will debut in 2027 Chevrolet Silverado HD and GMC Sierra HD. GM also improved towing capacity and steering systems.

General Motors (GM) is introducing an 8.3L Duramax diesel engine, named Mongoose, for its trucks, aiming to reclaim dominance in the diesel market. The company has also launched new 6.7L, 5.7L, and 6.6L V8 engines, signaling a return to its roots in high-displacement engines. GM's strategy focuses on performance and reliability, addressing stagnation in its core lineup.