When Ram introduced the 1500 EcoDiesel in 2014, it brought a unique blend of novelty and efficiency to the light-duty half-ton pickup segment. For diesel enthusiasts, it represented a more fuel-efficient alternative to traditional gas-powered half-ton trucks, offering an experience that promised strong towing numbers and lower fuel costs without sacrificing performance. But how did the 3.0L V6 EcoDiesel engine perform in the real world, and why did it ultimately phase out? Let’s take a closer look.

Engine History: Fiat’s Influence

The Ram 1500 EcoDiesel was powered by Fiat Chrysler Automobiles’ (FCA) 3.0L V6 turbo diesel engine, a powerplant that was originally designed and produced by Fiat’s subsidiary, VM Motori. Based in Italy, VM Motori had long specialized in designing small diesel engines for a variety of applications, and the EcoDiesel engine was one of its most prominent. FCA first began offering the EcoDiesel engine in the Ram 1500 for the 2014 model year.

The collaboration between FCA and VM Motori led to the creation of a hard-working engine that would deliver above average fuel economy for the full-size pickup segment. This diesel variant of the Ram 1500 indeed stood out in the crowded gas-powered truck market by offering a much more efficient alternative to the typical V8 engines that had long been the norm.

Performance and Specs

The first generation of the 3.0L EcoDiesel V6 engine (2014-2019), mated to an eight-speed automatic, was rated at 240 horsepower and 420 lb-ft of torque, which made it a solid choice for those needing a truck that could handle both towing and daily commuting with ease. In terms of towing capacity, the EcoDiesel version of the Ram 1500 could tow up to 9,200 pounds, an impressive number for a half-ton truck. The second generation EcoDiesel (2020-2023), designed to comply with strict Euro 6 and U.S. emissions standards, was rated at 260 horsepower and 480 lb-ft of torque. Towing bumped to 9,600 pounds.

Fuel economy was obviously a major selling point for the EcoDiesel. With a highway rating of around 27 mpg and a combined city/highway figure of 22 mpg, the EcoDiesel outperformed its gas-powered counterparts. This efficiency made the EcoDiesel a favorite among long-distance drivers, overlanders, and anyone looking to save a buck or two by getting more out of each tank of fuel—although opting for the engine demanded a premium upfront.

Ram 1500 EcoDiesel Competitors

The 2014 Ram 1500 EcoDiesel paved the way for the growing trend of half-ton diesel-powered trucks that emerged: 2016 Nissan Titan XD (5.0L Cummins); 2018 Ford F-150 (3.0L Power Stroke), and 2019 Chevrolet Silverado (3.0L Duramax). With nearly every major truck player in the game, the late 2010s represented a golden era of diesel-powered half-ton pickups.

For those who wanted the towing capability and fuel efficiency that only a diesel engine could provide, the EcoDiesel was a clear standout. Yet, it wasn’t long before issues started to surface.

Issues and Problems with the EcoDiesel Ram 1500

While the EcoDiesel engine offered impressive performance and fuel efficiency, it was not without its problems. One of the most dramatic issues involved emissions compliance. In 2017, Fiat Chrysler was accused of installing software that allowed its EcoDiesel engines to cheat on emissions tests, leading to a massive legal and regulatory battle. This resulted in a recall and a multi-million-dollar settlement with the U.S. government, tarnishing the EcoDiesel’s reputation.

Apart from the legal drama, there were also various mechanical concerns: Diesel Particulate Filter (DPF) issues; EGR (exhaust gas recirculation) cooler failure; timing chain slippage; oil cooler failure; crankshaft position sensor issues; bottom-end failures (connecting rod/main bearing failure); and transmission issues.

Why Did the EcoDiesel End?

Despite its strong initial reception, the EcoDiesel ultimately ceased to be offered in the Ram 1500 lineup after the 2023 model year, as production ended in January 2023. Several factors contributed to this decision, including the increasing emissions regulations and the costs of compliance. Additionally, newer, more efficient gas-powered engines (think Hemi V8 and the 3.6L Pentastar V6) provided similar or better performance without the potential legal and mechanical issues associated with diesel engine.

In the broader context, diesel engines were slowly being phased out in favor of hybrid and electric powertrains as automakers shifted toward sustainability. The market for diesel-powered light-duty half-ton trucks has all but disappeared, with GM as the lone manufacturer still offering a diesel option for its Silverado/Sierra half-ton trucks and Suburban/Yukon SUVs.

Was the Ram 1500 EcoDiesel Worth It?

For diesel enthusiasts, the Ram 1500 EcoDiesel 3.0L V6 will always be remembered as a trailblazer in the diesel half-ton pickup market. Its unique blend of fuel efficiency, towing capability, and diesel grumble made it an appealing option for those looking for more diesel in their lives. Those still interested in the truck should seek out later-model (2020+) trucks. However, issues related to emissions, reliability, and the evolving automotive landscape meant that the EcoDiesel’s time was ultimately limited.