Ford And GM Market Share Plummets — The Reason Is Obvious

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.

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.

Stellantis NV stock fell 47% in the first half of 2026, but Peugeot Invest's holding company was saved by a €131 million gain in its SpaceX stake. The company has no plans to divest its Stellantis stake despite its poor performance. Peugeot Invest is reshuffling its portfolio, exiting Doctrine and real estate, and investing in Mérieux NutriSciences.

Honda plans a $1.8B-$2.5B plant in Ohio by 2030 to produce 250,000 hybrid SUVs annually, aiming to compete with Toyota's 15 hybrid models. The move follows Honda's EV strategy reversal and $15.7B restructuring costs, targeting 15 new hybrid models in North America by 2030.

GM unveiled updates for its 2027 heavy-duty truck lineup, including a new Duramax 8.3L Turbo-Diesel V8 engine with 555 hp and 1,230 lb-ft of torque. The trucks feature segment-first technologies like rack-and-pinion Electric Power Steering and an electronic brake-boost system. The updates aim to strengthen GM's position in the heavy-duty truck market, with the new diesel engine and enhanced 6.6L gas V8 paired with an Allison 10-speed transmission.