The 25-year rule is a federal import-eligibility rule. It is not a guarantee that a kei truck can be registered, insured, or driven on public roads in your state.
This guide explains what the federal age exemption does, what it does not decide, and where a buyer needs to verify the next step. For the full purchase-to-port checklist, see our step-by-step kei truck import guide.
Federal Import Eligibility Comes First
To make a kei truck street legal in the U.S., you must meet both federal and state requirements.
The federal safety rule: A nonconforming kei truck generally must be at least 25 years old, measured from its date of manufacture, to qualify for the NHTSA age exemption. EPA emissions requirements are separate: vehicles at least 21 years old may qualify only if they retain an original-equivalent engine configuration.
Why this matters: Even if your truck is legally imported, you still can’t drive it until your state approves registration. Federal compliance and state-level approval are two completely separate steps.
What Is the 25-Year Rule?
NHTSA’s 25-year exemption allows a vehicle that is at least 25 years old to be imported without regard to whether it complies with current Federal Motor Vehicle Safety Standards. The 25-year period runs from the vehicle’s date of manufacture.
Key details:
- Managed by NHTSA (safety)
- Emissions handled by the EPA
- Applies based on manufacture date, not model year
In 2026, a vehicle reaches NHTSA eligibility on the 25th anniversary of its date of manufacture; a model-year label alone is not enough.
Important: Federal Approval Is Not the Same as Street Legal
Passing federal import rules does not mean your kei truck is road legal.
You must also:
- Register with your state DMV
- Pass local inspections
- Follow state-specific rules
Some states allow full registration. Others restrict or ban kei trucks entirely. This is where most first-time buyers get caught off guard.
Rules vary significantly by state and change over time. Always confirm current requirements with your local DMV before purchasing.
Where the Full Import Checklist Lives
Buying, export paperwork, shipping, customs declarations, duties, and delivery are a separate operational sequence. We keep that detailed checklist in How to Import a Kei Truck to the U.S.: Step-by-Step Guide so this page can stay focused on federal eligibility.
After federal import questions are answered, use our street-legal registration guide and state-by-state guide to research the rules that apply where you live.
Import Broker vs. DIY: Which Is Better?There are two ways to import a kei truck into the U.S.:
- Use an import broker
- Handle the process yourself (DIY)
The best choice depends on your experience, budget, and risk tolerance.
Option 1: Using an Import Broker
Import brokers handle the entire process:
- Vehicle sourcing
- Shipping coordination
- Customs clearance
- Paperwork and compliance
Typical cost: $2,000 – $4,000
Best for:
- First-time importers
- Buyers who want a smooth, low-risk process
Broker quality varies significantly, so always check reviews and references before committing.
Option 2: DIY Import
Handling the process yourself saves money but requires more effort:
- Accessing Japanese auction sites
- Arranging international shipping
- Completing all customs forms correctly
- Handling port pickup logistics
Best for:
- Experienced importers
- Budget-focused buyers willing to invest time
Risks to plan for:
- Paperwork mistakes leading to delays
- Port storage fees that accumulate quickly
- Unexpected costs not visible upfront
Most beginners underestimate the complexity. Even small mistakes can erase the savings of going DIY.
Quick Comparison
Broker: Easier and safer, but more expensive. DIY: Cheaper and more control, but higher risk.
Bottom line: If this is your first kei truck, a broker is usually worth the cost. If you’re experienced and want to save money, DIY can work — but expect a learning curve.
Driving a Right-Hand-Drive Kei Truck in the USA
One of the biggest concerns for U.S. buyers is driving a right-hand-drive vehicle. The reality? It feels strange at first, but most drivers adapt quickly.
What feels different:
- Sitting on the right side of the cabin
- Reduced visibility for left turns
- Overtaking requires more caution
Why it’s less of a problem than you’d think:
Kei trucks are rarely used like everyday passenger cars. Most owners use them for:
- Farm work
- Campgrounds and outdoor properties
- Local deliveries
- Off-road or private property use
The majority of kei truck driving is low-speed and short-distance.
Real-world context:
Right-hand drive isn’t unusual on U.S. roads:
- USPS mail trucks use right-hand drive
- Many imported vehicles operate legally across all 50 states
It’s not illegal — it’s just different.
Pro tip: After a few days of driving, most owners adjust naturally. The biggest challenge isn’t the driving itself — it’s confidence in the first week.
Final Thoughts: Is a Kei Truck Worth It in the U.S.?
Most buyers don’t fail because importing a kei truck is impossible. They fail because they miss one small step in the process.
Importing a kei truck into the U.S. isn’t simple — but for the right buyer, it’s absolutely worth it. If you understand the rules, prepare your documents, and choose the right use case, a kei truck can be one of the most practical and unique vehicles you can own.
Who Should Consider a Kei Truck?
Kei trucks are a great fit if you:
- Need a compact work vehicle for farms, properties, or local deliveries
- Want an affordable alternative to full-size trucks
- Enjoy unique imports and DIY-friendly vehicles
Who Should Think Twice?
A kei truck may not be ideal if you:
- Plan to drive long highway distances daily
- Expect high-speed performance
- Don’t want to deal with import paperwork or specialty maintenance
Key Takeaway
The biggest mistake buyers make is treating a kei truck like a normal U.S. car. Instead, treat it as a purpose-built tool. When used correctly, kei trucks deliver incredible value, efficiency, and versatility.
What to Do Next
If you’re serious about importing a kei truck:
- Check your state’s DMV regulations
- Confirm the 25-year rule eligibility for your target vehicle
- Decide between using a broker or going DIY
- Plan your total budget realistically (vehicle + shipping + tariff + registration)
FAQ
What is the 25-year rule for kei truck imports? It is NHTSA’s safety-standard exemption for vehicles at least 25 years old, measured from the date of manufacture. EPA emissions eligibility is separate and must be confirmed independently.
How much does it cost to import a kei truck total? A realistic budget is $7,000 – $15,000 including the vehicle, shipping, 25% tariff, broker fees, and state registration. DIY imports can lower this by $1,500 – $3,000 if done correctly.
Can I drive a kei truck on U.S. highways? In most states, no. Kei trucks are typically restricted to roads with speed limits under 35 – 55 mph. Always confirm classification with your state DMV.
Is right-hand drive legal in the U.S.? Yes. Right-hand drive is fully legal across all 50 states. USPS uses right-hand drive vehicles for mail delivery, and imported RHD vehicles operate legally nationwide.
Do I need a broker to import a kei truck? No, but most first-time importers benefit significantly from using one. A licensed customs broker reduces the risk of paperwork errors and port delays.
Disclaimer
This guide is for general information only and is not legal advice. Kei truck regulations vary significantly by state and change over time. Always confirm current requirements with your local DMV, NHTSA, EPA, and CBP before importing, registering, or operating a kei truck on public roads.
Sources
- NHTSA — Importation and Certification FAQs
- EPA — Learn About Importing Vehicles and Engines
- CBP — Importing a Motor Vehicle
- USA.gov — State Motor Vehicle Services
Last verified against the official sources above: July 2026
Next Steps
- How to Make a Kei Truck Street Legal in the USA (Step-by-Step Guide)
- How Far Can You Drive a Kei Truck in the U.S.? Laws Explained
- How Kei Trucks Are Imported to the U.S. (And Why They’re Becoming Popular)
- Best Kei Truck Interior & Exterior Upgrades Guide
- What KeiTruckHub Is (And Why This Site Exists)