Dodge Challenger SRT8 6.1 HEMI

The Dodge Challenger SRT8 6.1 HEMI has a reliability score of 52/100, rated "RISKY". Strong naturally aspirated V8, but recalls and cam wear demand careful vetting

The most frequently reported issues are Camshaft & Lifter Roller Failure, Piston Failure Under Sustained Hard Use, Throttle Stuck Open / Unintended Acceleration, Stalling / Unexpected Engine Cut-Out, among others. See the Known Issues section above for symptoms, affected mileage, and repair costs.

Yes, this is a documented issue on the 6.1 HEMI, typically appearing around 80,000-160,000 km. The 6.1 HEMI uses a more aggressive cam profile than the 5.7, and inadequate lifter roller oiling under sustained high load or short oil change intervals leads to premature camshaft lobe and lifter roller wear. Unlike the 5.7, the 6.1 does not use MDS (cylinder deactivation), so this is a lubrication and wear issue rather than an MDS-lifter-specific fault. Left unchecked it can progress to catastrophic engine damage. Typical repair cost: €2,000-5,500. DIY difficulty: Hard.

Yes, this is a documented issue on the 6.1 HEMI, typically appearing around 100,000-200,000 km. Forum reports describe piston damage on 6.1 HEMIs driven hard or tracked, with debate over whether stock piston oil cooling jets provide enough flow under sustained high loads. Pistons can crack or seize without adequate oil cooling, particularly on cars with aftermarket tunes or repeated track use. Typical repair cost: €3,000-7,000. DIY difficulty: Hard.

Yes, this is a documented issue on the 6.1 HEMI, typically appearing around 0-150,000 km. Multiple NHTSA complaints document throttle sticking open on 2008 Challengers. Owners report the issue occurring repeatedly. Repair cost is low but the safety risk is significant, which is why this is rated HIGH despite the modest parts cost. Typical repair cost: €200-800. DIY difficulty: Moderate.

Yes, this is a documented issue on the 6.1 HEMI, typically appearing around 0-120,000 km. NHTSA complaints describe 2008 Challengers stalling while driving at speed with no warning light, then restarting on their own. Likely causes include crankshaft position sensor, fuel delivery, or PCM faults. Safety risk keeps this at HIGH despite intermittent occurrence. Typical repair cost: €150-1,200. DIY difficulty: Moderate.

Yes, this is a documented issue on the 6.1 HEMI, typically appearing around 0-999,999 km. FCA recalled 2008-2010 Dodge Challenger vehicles for defective Takata airbag inflators on both driver and passenger sides. Inflators can rupture and send metal fragments into occupants. This is a life-safety issue, free to fix, and must be verified as completed before purchase. Typical repair cost: €0-0. DIY difficulty: Not DIY, dealer only.

Yes, this is a documented issue on the 6.1 HEMI, typically appearing around 0-100,000 km. Chrysler recalled around 6,600 MY 2008-2009 Challengers with automatic transmissions and Keyless Go for a faulty park/neutral start interlock switch, which could allow the vehicle to start in gear. Typical repair cost: €150-600. DIY difficulty: Moderate.

The 6.1 HEMI Challenger SRT8 is a genuinely capable and characterful naturally aspirated V8, but this generation carries real due-diligence requirements beyond typical engine wear items. The Takata airbag recall is non-negotiable, confirm it is completed before making an offer, since these inflators are a life-safety risk. Camshaft and lifter roller wear is the most expensive mechanical risk on the engine itself, so insist on documented short-interval oil change history and listen carefully for valve train noise on a cold start. The 2008 model year also carries a cluster of electrical and drivability complaints (throttle sticking, unexplained stalling) that are worth testing for specifically on a drive. If the recalls are done and the oil change history is solid, this is a rewarding and tunable American muscle car, but buying one without checking these items is a real gamble.

Before buying, check: Run the VIN through the NHTSA recall database and confirm both Takata airbag recalls (driver and passenger) are completed, walk away if not done; Check for valve train tick on cold start, a ticking 6.1 may indicate camshaft or lifter roller wear requiring expensive repair; Request full oil change service history, the 6.1 HEMI needs short intervals (around 5,000 km) and any gaps are a red flag for cam/lifter damage; Test drive specifically for throttle sticking or unintended acceleration, and check for any stalling at speed or on deceleration; Perform a compression and leak-down test on all 8 cylinders to rule out piston damage, especially on high-mileage or hard-driven examples.

There's no fixed mileage limit, it depends on maintenance. The parts worth budgeting for proactively are: Camshaft & Lifter Rollers (80,000 km), Takata Airbag Inflators (Driver & Passenger) (0 km), Throttle Body / Electronic Throttle Control (60,000 km), Piston Oil Cooler Jets (100,000 km). Engines that clear these checkpoints with documented maintenance commonly continue well beyond typical ownership periods.

Inflator can rupture on deployment, propelling metal fragments toward occupants, potentially fatal Remedy: Replacement of Takata inflator module by dealer at no cost

Same Takata rupture risk as passenger side, serious injury or death possible Remedy: Replacement of Takata inflator module by dealer at no cost

Vehicle may start in gear, potentially rolling and causing accident or injury Remedy: Replacement of park/neutral start interlock switch by dealer at no cost

Estimated ownership cost is €5,000-11,000 over 3 years depending on mileage, usage intensity, and whether cam/lifter or piston related repairs are needed, based on known issues and typical service needs.

Owners report real-world fuel consumption of around 15.6 L/100km.

Community-reported real-world usage suggests changing oil every 5,000 km using 5W-20 full synthetic (Mopar or equivalent) for street use, some owners run 5W-40 full synthetic for track or sustained high-load use, often more conservative than the official service schedule.

The 6.1 HEMI is also found in: Dodge Charger SRT8 (2006-2010), Chrysler 300C SRT8 (2006-2010), Jeep Grand Cherokee SRT8 (2006-2010), Dodge Magnum SRT8 (2006-2008).

Strong naturally aspirated V8, but recalls and cam wear demand careful vetting The biggest recurring complaint is Camshaft & Lifter Roller Failure. Enthusiasts are generally positive about the 6.1 HEMI's character and performance, with most reliability concerns centered on cam/lifter wear from poor maintenance or hard use, and on the 2008 model year's throttle and stalling complaints. The community strongly recommends short oil change intervals and proactive valve train inspection. Awareness of the Takata recall is high among knowledgeable owners, and it comes up in nearly every used-buying thread.