
The worst years for the 5.7L Hemi engine are 2003-2008, 2011-2014, and the 2019 model year. These periods are defined by chronic, expensive failures like lifter/camshaft wear (the "Hemi Tick"), broken exhaust manifold bolts, and, in early models, valve seat drop. Avoiding these specific years significantly reduces your risk of major engine repair.
The primary culprit across most problematic years is the lifter failure, leading to camshaft lobe wear. This is often audible as a persistent "ticking" sound on cold starts. Industry data from repair networks suggests this issue peaks in 2011-2014 models, where lifter failure rates were notably higher, often occurring between 80,000 to 120,000 miles. The repair involves replacing lifters, the camshaft, and often related components, with costs frequently exceeding $3,500.
Another widespread issue is broken exhaust manifold bolts. This is especially prevalent in 2009-2018 trucks. The constant heating and cooling cycles cause the manifold bolts, particularly on the driver's side, to shear off. This leads to an exhaust leak, a loud ticking noise, and can trigger check engine lights. While less catastrophic than lifter failure, it is a very common and irritating repair.
For the 2003-2008 "Pre-Eagle" Hemi engines, the critical flaw was valve seat drop. A valve seat could dislodge, falling into the cylinder and causing immediate, catastrophic engine destruction. This was a manufacturing defect, and while not every engine from this era experienced it, the potential for sudden, total failure makes these years high-risk.
The 2019 1500 is flagged as a bad year because it was the first model year of the fifth-generation (DT) trucks. First-year models historically have more undiagnosed issues as manufacturers work out production kinks. For the 2019 5.7L eTorque mild-hybrid system, early units showed higher rates of electrical and battery-related complaints compared to refined 2020+ models.
| Problem Years | Core Issues | Typical Mileage Onset | Severity & Cost |
|---|---|---|---|
| 2003-2008 | Valve seat drop, manifold bolts | Variable, often 60k-100k+ | Catastrophic engine failure. |
| 2009-2014 | Lifter/Cam failure ("Hemi Tick"), manifold bolts | 80k-150k | Major engine repair, $3,500+. |
| 2011-2012 | High frequency of lifter/cam failure | As above | Considered the peak for this issue. |
| 2019 | First-model-year electronics, eTorque bugs | Early (under 50k) | Electrical gremlins, drivability concerns. |
For a reliable used purchase, focus on 2015-2018 models, which benefited from refinements, or 2020 and newer trucks where first-generation teething issues were resolved. Always obtain a thorough pre-purchase inspection by a mechanic familiar with Hemi engines, specifically checking for lifter noise and exhaust leaks. Regular oil changes with high-quality oil at shorter intervals (5,000 miles or less) is the most recommended mitigation for lifter wear across all 5.7L Hemi years.

As a mechanic who sees these trucks daily, I tell my customers to be very wary of 2011 through 2014 Rams with the 5.7. That’s when the lifter problem was at its worst. The ticking sound is a death knell. I’ve replaced more cams and lifters from those years than I can count, and it’s never a cheap fix. The exhaust manifold bolts snapping are almost a guarantee on any Hemi from the late 2000s onward—it’s a messy, time-consuming job. If you’re set on a Hemi, your money is safer on a 2015 or later model. Just listen for any tick on a cold start.

I owned a 2012 1500 for seven years. Let me tell you, the "Hemi Tick" is real and expensive. Mine started around 95,000 miles. That faint ticking turned into a major repair bill for a new camshaft and lifters. It’s a known flaw, and it feels like a design defect. Beyond that, the exhaust manifold bolts broke on both sides, which was another repair. The truck was powerful and comfortable, but the looming threat of another $4,000 engine repair made me trade it in. Based on my experience and countless forum stories, I’d never buy a 5.7 from the 2009-2014 era again. It’s just not worth the financial anxiety.

Shopping for a used ? Here’s the simple breakdown on the 5.7 Hemi years to avoid. Steer clear of 2003-2008 due to potential engine-killing valve problems. The absolute worst period is 2011-2014 for severe and common lifter failures. Also, skip the 2019 model—it’s a first-year redesign with more bugs. Your best bets are a 2015-2018 model, which had most kinks worked out, or a 2020 or newer truck. Always get any used truck checked by a trusted mechanic before buying.

Looking at long-term reliability data and common failure patterns, the 5.7 Hemi's reputation is defined by specific weak periods. The data points to 2011-2014 as a high-risk window for internal engine damage. The failure mode—collapsing lifters grinding down the camshaft—is a well-documented and costly design-related issue from that production era. Earlier models (2003-2008) carry the unique, random risk of valve seat drop, a less frequent but catastrophic event.
The 2019 model year stands out negatively in a different way. As the inaugural year for a new platform, it statistically shows a higher incidence of electronic and integration issues, particularly with the new eTorque system, compared to the immediately following model years. This is a common pattern across the automotive industry with any major redesign.
Therefore, the strategic approach is to avoid these identified trouble years. The consensus for a balance of value and proven reliability falls on the 2015-2018 models. These benefit from all previous mechanical refinements without the new-complexity bugs of the 2019. For a buyer wanting the latest features, targeting 2020 or newer is the safer choice, allowing the manufacturer a year to address early production concerns.


