Automakers design and build pickup trucks with a strong emphasis on durability and reliability, incorporating features such as reinforced frames, heavy-duty suspensions, and robust engines capable of handling heavy loads and rough terrain. They can withstand the harshest driving conditions and are a popular choice for those who need a vehicle that can perform in demanding environments. Whether you’re a truck owner, fleet manager, or someone who values reliability, the engine is the heart and soul of your vehicle, and a reliable engine is critical to getting the job done.
A truck with incredible power is one thing, but reliability is everything for these workhorses. Over the years, numerous truck engines have proven their worth in durability, longevity and overall reliability. However, no engine is the same; some last longer than others with proper maintenance. These are some of the most reliable engines ever put into one pickup truck.
10 2001-2004 Duramax LB7 6.6L V8
Well-maintained pre-emissions era diesel trucks that arrived before 2007 have typically proven more reliable than an equivalent emissions era truck. The 6.6-liter Duramax LB7 V8, which powered the Chevrolet Silverado and GMC Sierra from 2001 to 2004, is in the most reliable category. These trucks helped GM compete at the highest level in the three-quarter and one-ton diesel truck segment.
Duramax engines are highly reliable over time, and a well-maintained Duramax diesel truck can last up to 500,000 miles.
9 1955-1998 Chevy Small-Block 350 V8
The small-block Chevy 350 V8 is one of the most iconic and enduring engines in automotive history, with a reputation for reliability and power. It debuted in 1967, followed by several variants produced until 2003, mainly as a truck engine.
The 350cu small block is GM’s longest-lasting V8 engine thanks to its design, featuring a simple and robust architecture that has proven to be highly adaptable and easy to work with. Despite numerous revisions, the engine remained one of the most reliable V8 engines.
8 2010-Present Fiat-Chrysler Pentastar V6
The Fiat-Chrysler Pentastar V6 is a modern engine with a reputation for reliability, performance and fuel efficiency. It was first introduced in 2010 and appeared on several Chrysler, Dodge, Jeep and Ram vehicles. Chrysler is one of the least reliable brands, but this engine is an exception.
It features an advanced design that incorporates technologies such as variable valve timing and an aluminum block and heads to reduce weight and increase efficiency. It has proven to be powerful, reliable, robust and one of the best engines available in any pickup truck on the market today.
7 1991-2014 Ford Modular 4.6L V8
The 4.6 liter Ford Modular V8 was a versatile engine built between 1991 and 2014. Originally introduced as a replacement for the aging Ford Windsor V8, it has since become one of the most popular engines in the Ford line.
Its modular design allows for easy swapping or upgrading of many components and is one of the most reliable and durable truck engines. Its overhead camshaft design reduces valve train wear, while the cast iron block and aluminum heads withstand heavy use.
6 1989-1998 Dodge Cummins 6BT 5.9 liter 12v
The Dodge Cummins 6BT 5.9 liter 12v is a legendary engine that has become an icon in the diesel truck world. It was first introduced in 1989 and has since earned a reputation for exceptional durability, reliability and performance.
The 6BT can withstand heavy use and abuse thanks to a cast iron block and cylinder head that can handle high compression ratios and boost levels. Its inline-six design provides smooth and balanced power delivery with exceptional torque output or hauling and towing applications.
5 1998-2004 Toyota Tacoma 3.4L Supercharged V6
The Toyota Tacoma is a household name in the world of midsize trucks, and the 3.4-liter supercharged V6 engine is a standout feature of this popular model. Introduced in 1998, this engine was available as an option on the Tacoma until 2004.
Its impressive power rivals V8 engines and is one of the most powerful in the mid-size truck segment. And it’s one of the most reliable and durable trucks, benefiting from Toyota’s VVT-I technology, which optimizes performance and efficiency.
4 1960-1987 Dodge Slant-Six
Dodge’s flat-six engine is perhaps the most durable straight-six automotive engine ever built. The classic engine powered Dodge trucks between 1960 and 1987 and today. Not excessively fast, but popular with classic car enthusiasts and restorers. Its unique slant cylinder design and reputation for durability and simplicity make it a beloved part of American automotive history.
The engine features a simple design with a single overhead camshaft and a two-barrel carburetor. This simplicity makes the engine easy to maintain and repair, with many parts still readily available.
3 1999-2003 Ford 7.3 liter Power Stroke V8
The 1999-2003 Ford Power Stroke 7.3L V8 is a legendary diesel engine built by Ford and Navistar and has earned a cult following among truck enthusiasts for its power, durability and reliability. Highlights include a robust cast-iron engine block and cylinder heads – a high-pressure oil system, which ensures consistent fuel delivery and optimum engine performance.
It was also paired with durable automatic and manual transmission options. The low-maintenance power plant offered 235-275 hp and 500-525 lb-ft of torque.
2 1966-1978 Mopar 440ci V8
The Mopar 440ci big-block engine remains one of the most popular choices for modern project cars, providing inexpensive options available at salvage yards. It also enjoys solid aftermarket support.
The engine debuted in 1966 in several Mopar vehicles, including Dodge trucks. Chrysler built the engine with durable components, and with proper maintenance, it can last for hundreds of thousands of miles.
1 Toyota 3UR-FE 5.7 liter V8
The Toyota 3UR-FE is a 5.7-liter V8 gasoline engine introduced in 2007. It is still in production and is primarily used in Toyota’s full-size pickup trucks, the Tundra, and SUVs, including the Sequoia and the Land Cruiser.
Toyota has a reputation for reliability and the 5.7 liter UR V8 is no exception. In the last decade, JD Power has awarded the Tundra the most reliable full-size truck in several years.
Sources: JD Power, Consumer Reports
