Stellantis Develops New 1.6L Diesel Engine for Euro 7 Standards

Stellantis is preparing to launch a new 1.6-liter diesel engine designed to meet the upcoming Euro 7 emissions standards, signaling a potential shift in the automaker’s long-term strategy. Production of engine blocks has already commenced at an Italian facility with a decades-long history of component manufacturing for Fiat and other Stellantis brands, according to reports from Italian media outlets.

While official details regarding technical specifications and the start of series production remain undisclosed, sources close to the company confirm the project has moved beyond the planning phase and into active development. This move comes after discussions within the group began roughly a year ago, recognizing a continued demand for efficient and cleaner diesel engines for passenger vehicles.

The development of this new engine suggests Stellantis isn’t abandoning internal combustion engines (ICE) despite a broader industry trend toward electrification. Recent reports indicate the company is also working on new gasoline engines for its high-performance Abarth brand, potentially for use in future models like the next-generation Fiat 500 Abarth. Production of these gasoline engines could reach 20,000 to 30,000 units annually, and are expected to be mild-hybrid systems offering improved performance compared to existing MHEV solutions.

The 1.6-liter diesel engine’s potential applications are currently under consideration. One possibility is its use in traditional light vehicle models, such as the Alfa Romeo Tonale, which recently underwent a facelift. The engine could either replace the current 130 horsepower 1.6-liter diesel or serve as a technologically advanced successor. Stellantis is exploring the possibility of utilizing this engine as the foundation for a mild-hybrid diesel powertrain – a configuration not currently offered within the company’s portfolio.

Beyond Europe, Stellantis is also evaluating potential markets for vehicles equipped with the new diesel engine, including North Africa and South America. These regions continue to exhibit significant demand for diesel engines, and have differing emissions regulations compared to Europe. A final decision on market distribution is still pending.

The Euro 7 standard, which the new engine is designed to meet, represents a tightening of emissions regulations in Europe. While the exact details of the standard have been subject to debate and revisions, it aims to further reduce pollutants from vehicles, including nitrogen oxides (NOx) and particulate matter. The development of a new diesel engine compliant with these standards demonstrates Stellantis’ commitment to meeting evolving regulatory requirements.

Stellantis’ continued investment in ICE technology, alongside its push for electric vehicles, reflects a pragmatic approach to the energy transition. The company, formed from the merger of Fiat Chrysler Automobiles and PSA Group, has a diverse portfolio of brands and operates in a variety of markets with differing consumer preferences and regulatory landscapes. This necessitates a flexible strategy that encompasses multiple powertrain options.

The company’s broader strategy includes a significant investment in electric vehicle development, with plans to launch numerous battery-electric vehicles (BEVs) across its brands in the coming years. However, the continued development of efficient ICE engines, including diesel and gasoline options, suggests Stellantis believes these powertrains will remain relevant for a considerable period, particularly in certain markets and vehicle segments.

The potential for a mild-hybrid diesel powertrain is particularly noteworthy. Mild-hybrid systems offer a relatively cost-effective way to improve fuel efficiency and reduce emissions compared to full hybrid or battery-electric systems. By combining a diesel engine with a small electric motor and battery, Stellantis could offer a compelling option for consumers seeking a balance between fuel economy, performance, and affordability.

The news of new engine development comes as the automotive industry grapples with the challenges of transitioning to a more sustainable future. While the long-term outlook for diesel engines remains uncertain, Stellantis’ investment suggests the company believes there is still a role for this technology, particularly in regions where diesel fuel remains popular and emissions regulations are less stringent. The company’s ability to adapt to changing market conditions and regulatory requirements will be crucial to its success in the years ahead.

The simultaneous development of both new diesel and gasoline engines underscores Stellantis’ commitment to offering a diverse range of powertrain options to its customers. This strategy allows the company to cater to a wider range of consumer preferences and market demands, while also mitigating the risks associated with relying too heavily on a single technology.