2018 Dodge Challenger Reliability ReportCommon Problems, Repair Costs & Expert Verdict
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Quick Facts · 2018 Dodge Challenger
- Has 4 NHTSA recalls on record — the most notable involves the power train:automatic transmission:control module (tcm/pcm/tecm).
- Scores 9 points below the strongest nearby year — the 2019 Dodge Challenger earns a 87.
- The system most likely to surface first: hemi v8 valvetrain issues (major severity).
The 2018 Dodge Challenger at a glance
- Is the 2018 Dodge Challenger reliable?
- Autojunket rates the 2018 Dodge Challenger 78/100 (grade B-), categorized as moderate risk. A potent muscle car offering with a comfortable ride, but V8 models demand vigilance for costly engine issues.
- Should I buy a used 2018 Dodge Challenger?
- Autojunket recommends reading the full reliability report before buying a 2018 Dodge Challenger. While the 2018 Dodge Challenger delivers an unparalleled muscle car experience and the V6 models are highly dependable, the known issues with the HEMI V8 engines mean prospective buyers must exercise caution. A thorough pre-purchase inspection is non-negotiable for V8 variants to avoid potentially catastrophic and e…
- Which Dodge Challenger years are the most reliable?
- Best model years to buy: 2015-2017 V6, 2020-2023 (later V8s had some improvements). Years to avoid: None outright, but 2018-2019 V8s warrant extra scrutiny for lifter issues..
- What are the most common problems with the 2018 Dodge Challenger?
- The top failure points on the 2018 Dodge Challenger are HEMI V8 Valvetrain Issues (typically around 80,000-150,000 miles), Uconnect Infotainment System (typically around All mileages miles), Electrical System (typically around 40,000-80,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
- At what mileage do problems start on the 2018 Dodge Challenger?
- The first major mileage danger zone for the 2018 Dodge Challenger is around 30,000. Low Risk Zone — At this mileage, the Challenger is still relatively new. Focus on routine fluid changes and tire rotations. Keep an eye out for early Uconnect glitches or any unusual noises from the suspension.
Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.
Read the full free reportShould You Buy the 2018 Dodge Challenger?
The 2018 Dodge Challenger offers undeniable classic muscle appeal with a surprisingly comfortable ride, but its formidable V8 powertrains carry specific risks that demand careful consideration. While V6 models are largely robust, the HEMI engines are prone to costly lifter and camshaft wear if maintenance is overlooked, making a pre-purchase inspection crucial. Expect a fun, engaging drive, but budget for potential electrical fixes and diligent V8 maintenance.
While the 2018 Dodge Challenger delivers an unparalleled muscle car experience and the V6 models are highly dependable, the known issues with the HEMI V8 engines mean prospective buyers must exercise caution. A thorough pre-purchase inspection is non-negotiable for V8 variants to avoid potentially catastrophic and e…
Best Model Years
2015-2017 V6, 2020-2023 (later V8s had some improvements)
Years to Avoid
None outright, but 2018-2019 V8s warrant extra scrutiny for lifter issues.
Biggest Strengths
- Robust transmission (ZF 8HP)
- Strong V6 engine reliability
- Durable suspension components
Top Risk Areas
The systems that tend to fail first on the 2018 Dodge Challenger, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
The 5.7L, 6.4L, and 6.2L Supercharged HEMI V8 engines are susceptible to lifter and camshaft wear, often manifesting as a 'HEMI tick.' This can lead to reduced performance and, if neglected, catastrophic engine damage.
Owners frequently report the Uconnect 8.4-inch system freezing, rebooting spontaneously, experiencing Bluetooth connectivity issues, or touch screen unresponsiveness. While often resolvable with software updates, module replacement can b…
Beyond Uconnect, some Challengers experience parasitic battery drains, often attributed to various modules not powering down correctly. This can lead to dead batteries, particularly after the vehicle has sat for a few days.
2018 Dodge Challenger Mileage Danger Zones
The mileage windows when the 2018 Dodge Challenger most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the Challenger is still relatively new. Focus on routine fluid changes and tire rotations. Keep an eye out for early Uconnect glitches or any unusual noises from the suspension.
Maintenance Zone
This mileage often calls for more comprehensive maintenance, including spark plug replacement (especially on V8s), transmission fluid check/change, and thorough brake system inspection. Suspension components may start showing early signs…
Elevated Risk Zone
For HEMI V8 models, this is where the risk of lifter and camshaft wear significantly increases. Be vigilant for any 'tick' or abnormal engine noise. Other common items include universal joints, drive belts, and potential electrical greml…
High Risk Zone
Beyond 120,000 miles, major component wear is more likely across the board. The likelihood of significant engine or transmission repairs increases, especially if prior maintenance was neglected. Budget accordingly for potential higher-co…
2018 Dodge Challenger Ownership Cost Outlook
What it typically costs to keep the 2018 Dodge Challenger on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$400-700 (V6), $600-1,000+ (V8)
Moderate Repairs
$500-1,500 occasionally (e.g., suspension work, electrical diagnosis)
How Long Does the 2018 Dodge Challenger Last?
For V6 models, mileage up to 100,000 miles is generally safe if maintenance records are present. For HEMI V8s, prioritize vehicles with under 70,000 miles and a documented history of regular, high-quality oil changes to minimize risk.
What 2018 Dodge Challenger Owners Actually Say
What Owners Love
- Head-turning classic muscle car styling
- Powerful engine options deliver exhilarating performance
- Surprisingly comfortable ride for a performance car
- Spacious interior, even offering usable back seats
Common Frustrations
- Poor fuel economy, especially with V8 engines
- Large size makes it challenging to maneuver and park
- Limited rear visibility due to thick pillars
- Uconnect system can be buggy and frustrating
Who Should Buy the 2018 Dodge Challenger?
Best For
- Muscle car enthusiasts seeking classic American style
- Drivers prioritizing a comfortable ride over sharp handling
- Those who need a surprisingly spacious coupe
Not Ideal For
- Budget-conscious buyers concerned about fuel economy
- Drivers needing agile handling and easy parking in urban environments
How the 2018 Dodge Challenger Compares to Rivals
The Challenger often offers a more comfortable ride and usable back seats than its direct rivals like the Mustang and Camaro, but its sheer size and weight can make it feel less agile. Reliability on V8 models can be a toss-up compared to rivals.
More Reliable Than
- Chevrolet Camaro (often cited for better interior space/comfort)
- Used luxury coupes (better parts availability/lower maintenance cost potential)
Comparable To
- Ford Mustang GT (similar V8 performance and associated risks)
- Older muscle cars (in terms of driving experience/charm)
NHTSA Recalls
4 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
Chrysler (FCA US LLC) is recalling certain Mopar Stage 1 Kit Performance Packages Powertrain Control Modules (PCM) Part Numbers P5160023, P5160025, and Demon Crate PCM Part Number 68412287AA. The PCMs are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
POWER TRAIN:AUTOMATIC TRANSMISSION
Chrysler (FCA US LLC) is recalling certain 2018 Dodge Charger, Durango and Challenger, Jeep Grand Cherokee and Wrangler, Chrysler 300, and RAM 1500 vehicles. An incorrect transmission park lock rod may have been installed in the transmission.
What breaks on the 2018 Dodge Challenger?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Dodge Challenger by Year
Compare AutoScores across nearby years of the Dodge Challenger. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by AutoScore.
Relevant Products for Your 2018 Dodge Challenger
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Where the 2018 Dodge Challenger report beats Carfax + CR
Carfax tells you if it crashed. Consumer Reports rates the whole nameplate. Autojunket tells you what will actually break on this specific year — and how to negotiate it.
Year-specific reliability score
Common problems + repair costs
Mileage danger zone map
AI negotiation script + walk-away price
Single report price
Frequently Asked Questions
Related Comparisons
Sell your 2018 Dodge Challenger for what it's actually worth.
Log every service on your Dodge Challenger. When it's time to sell, hand the buyer a signed PDF — every receipt, mileage-verified, close the deal at your price.
- OSC Transfer PDF — every receipt
- Snap-a-receipt AI log
- Fuel & mileage tracker
- Shareable buyer view link
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