4YDT18022JM9382442018 KEYSTONE Keystone
2018 KEYSTONE Keystone was analyzed across NHTSA recalls, owner complaints, crash test data, and public auction records. 5 owner complaints have been filed with NHTSA — review the complaint section for the most common failure patterns.
Executive Summary
2018 KEYSTONE Keystone
2018 KEYSTONE Keystone was analyzed across NHTSA recalls, owner complaints, crash test data, and public auction records. 5 owner complaints have been filed with NHTSA — review the complaint section for the most common failure patterns.
5 owner complaints filed — top areas: Suspension/Wheels (60%), Body/Structure (20%), Other (20%).
Title Brand Check
Mined from auction damage fields and listing titles — not a DMV title history pull
No auction records available. Title brand status could not be verified — request title history from seller or state DMV.
Vehicle Specifications
Decoded from NHTSA vPIC database
- Make
- KEYSTONE
- Model
- Keystone
- Year
- 2018
- Body Style
- Trailer
- Vehicle Type
- TRAILER
- Manufacturer
- KEYSTONE RV
- Assembly
- SYRACUSE, INDIANA, UNITED STATES (USA)
Assembly Plant Quality
Plant: SYRACUSE, INDIANA
No specific quality data available for this plant. No documented recall or complaint concentrations on record.
Safety Intelligence
Composite analysis from NHTSA recall, complaint, and crash data
✓ No high-risk recall components found
Deferred Failure Risk
Vehicle-specific risks from this model-year's complaint record, known defects, and service milestones
Owners of the 2018 KEYSTONE Keystone report suspension/wheels issues more than most other systems. Complaints concentrated in one area often signal a systemic weakness worth a targeted pre-purchase inspection.
Worn chain tensioners cause timing chain skip or snap — common on GM 5.3L/6.2L, Ford EcoBoost, VW/Audi EA888, BMW N47/N63. Listen for cold-start rattles.
Water pump failure causes rapid overheating. If the engine overheats even once, head gasket damage is likely — turning a $400 part into a $3,000+ repair.
Degraded transmission fluid destroys clutch packs and solenoids. CVT transmissions are especially sensitive — neglected fluid can result in a $4,000–$8,000 replacement.
Degraded coolant loses corrosion inhibitors and attacks aluminum engine components. Can cause head gasket failure and water pump corrosion.
Worn spark plugs cause misfires that can foul and crack catalytic converters. A $150 tune-up can prevent a $1,200 catalytic converter replacement.
Dirty or failing injectors cause rough idle, reduced fuel economy, and increased emissions. Cleaning costs $100–$200; replacement $800–$1,600.
NHTSA Safety Recalls
CLEARComplaint Intelligence
5 complaints analyzed across 3 system categories
Suspension leads owner complaints (40%), most reported when the vehicle was 5–7 yrs old. Also common: Unknown Or Other (40%), Structure (20%).
Based on 5 complaints with a reported incident date. Too few owners cited mileage (0) to report a reliable failure-mileage range.
Owner Complaints
5 safety complaints filed with NHTSA
The rear left axle hanger tore away from the vehicles frame. I have found people online with the exact same failure and the manufacturer has done some retrofitting on affected models.
Our unit is said to have a frame flex (cracked or broken welds) issue diagnosed by a repair shop that Keystone uses. We previously have had crowning issues with the frame as well as axle issues all of wich Keystone has refused to cover. Keystone says that it is out of warranty, there are many rv's made by Keystone and others with this issue.
Leaf springs broke under allowable load.
Slide unit not working properly, at repair shop and telling me it is a factory structural problem. Keystonerv.com told me out of warranty and i would have to bring it to a Keystone authorized dealer. That is 4 hours from me to have it looked at. I call the dealer and was told that i would have to pay for that service and if Keystonerv would cover it then i would be reimbursed. Couldn't tell me how much.
Driver side rear travel trailer tire Trailer King ST Radial ST205/75R14, DOT 1ADB2HFT1 4117 Tire blew out while traveling at 65 mph on a limited access turnpike express way. Tire exploded due to belt separation and overheating. When tire blew trailer became unstable and there were other vehicles around traveling at high rate of speed. There was a high risk of high speed collision. Photographs of the failed tire are available. There were no warning lamps, messages, or other symptoms of the problem prior to failure.
Complaint & Reliability Timeline
Annual complaints (blue) vs. composite reliability score (amber) — recall years marked in red
The blue line shows 5 NHTSA complaints on file for the KEYSTONE Keystone — a relatively low volume that spans from 2023 to 2025.
The amber reliability line averaged 98/100 across the vehicle's life — relatively stable, with the lowest point of 96/100 in 2025.
Legal & Regulatory Actions
Known class action lawsuits, settlements, and manufacturer extended warranty programs
5-Year Total Cost of Ownership
Estimated based on EPA fuel data, risk-adjusted maintenance, and depreciation
Estimated 5-year cost of ownership: $30,114 (~$502/mo). Repair risk buffer is standard due to vehicle risk profile.
Pre-Purchase Inspection Checklist
Tailored for the 2018 KEYSTONE Keystone — specific failure modes your mechanic must check, not a generic list
Recall Probability Forecast
Estimated likelihood of a new recall in the next 18 months based on NHTSA signals
5% baseline recall probability — no strong indicators of an imminent recall.
Maintenance Schedule
OEM-specified service intervals for this vehicle
Maintenance intervals vary significantly by make, model, year, engine, and driving conditions. Always follow the manufacturer's official schedule — not generic industry estimates.
Tip: Request the seller's service records and compare against the manufacturer schedule. Missing intervals are a negotiation point.
Insurance Cost Estimate
Estimated annual premiums based on vehicle profile, theft data, and NHTSA safety ratings
Based on 2024 national avg ($2,011/yr full coverage). Individual rates vary by driver, location & insurer. Always compare 3+ quotes.
State-Specific Legal Protections
What consumer laws apply to this vehicle purchase in your state
Select your state to see what consumer protection laws, lemon law coverage, and title disclosure requirements apply to this vehicle purchase.
Complete Data Table
All decoded fields in a single flattened view
Vehicle Identity
| VIN | 4YDT18022JM938244 |
| Model Year | 2018 |
| Make | KEYSTONE |
| Model | Keystone |
| Vehicle Type | TRAILER |
Body & Configuration
| Body Style | Trailer |
Manufacturer
| Manufacturer | KEYSTONE RV |
| Assembly City | SYRACUSE |
| Assembly Country | UNITED STATES (USA) |
VIN Structure
| WMI (Chars 1–3) | 4YD |
| Check Digit (Char 9) | 2 |
| Model Year Code (Char 10) | J |
| Plant Code (Char 11) | M |
| Sequence (Chars 12–17) | 938244 |
Safety Data
| NHTSA Recall Count | 0 |
| NHTSA Complaint Count | 5 |
VIN Structure Decode
ISO 3779 character-by-character breakdown of this Vehicle Identification Number
Disclaimer: Data sourced from NHTSA public APIs and scraped auction listings. For informational purposes only. Not a substitute for a paid vehicle history report. Retrieved: 11/2/2026, 4:48:46 AM.