Are Kei Trucks Legal in the US? State-by-State Rules

The short answer: a kei truck is not freely road-legal in the United States. A new kei truck cannot be road-registered anywhere in the US — it can only be brought in as an off-road / private-property vehicle that will never be driven on public roads. A 25-year-old kei truck clears the federal import gate, but that does not make it road-legal: most states still prohibit it or restrict it to low-speed local roads, only about 17 states allow full road use, and every state bars kei trucks from interstate highways. So for the typical buyer who wants to drive a kei truck on public roads, the realistic answer in most of the country is no, or only with significant restrictions.

Kei trucks (軽トラック, keitora) and their van counterparts (kei vans such as the Honda Acty Van, Subaru Sambar Van, and Daihatsu HiJet Van) are Japanese domestic-market light-utility vehicles defined by Japan's kei-car dimensional and displacement limits. The reason the bottom line above is not a simple yes/no is that there are two distinct legal questions buyers commonly conflate: (1) whether a kei truck can be imported into the US, and (2) whether it can be driven on public roads after importation. These are governed by different bodies of law — and clearing the first does not clear the second.

This guide addresses both questions with reference to the applicable federal regulations and the current state-level road-use landscape. For the general federal import framework, see the 25-year rule and importing a car from Japan. Note that the rules described here apply specifically to kei trucks and kei vans; kei passenger cars — the Beat, Cappuccino, AZ-1, and similar — are covered at the end of this guide.

A new kei truck cannot be registered for road use anywhere in the United States. Any kei truck under 25 years old cannot legally be imported for US highway use at all. The federal gate is 49 USC 30112 ("Prohibitions on manufacturing, selling, and importing noncomplying motor vehicles and equipment"), which prohibits importing or selling for road use any vehicle that has not been certified as complying with all applicable Federal Motor Vehicle Safety Standards (FMVSS). Kei trucks have not been certified to FMVSS; a Covington & Burling analysis published in December 2025 described new kei trucks designed for highway use as "de facto banned" for US road use on this basis.

The only pathway for a newer kei truck is to import it as an off-road / non-highway vehicle that will never be registered for public-road use. Under this pathway the vehicle must be permanently modified to a maximum speed of 25 mph and certified to applicable non-road (off-road) emissions standards. This is what dealers mean when they describe a truck as an "off-road only" import — it is legal for private property only, not for any public road in any state. The title issued in this case — where a title is issued at all — reflects off-road status, not road registration, and (as the state sections below explain) an off-road title generally cannot later be converted to a road-use registration.

The 25-year exemption (49 CFR 571.7 + 49 CFR Part 591) is the practical federal pathway for most kei truck imports. A vehicle whose manufacture date is 25 or more years in the past is exempt from NHTSA FMVSS conformance and from EPA emissions conformance (the EPA's parallel exemption kicks in at 21 years). This is the same exemption that makes the Skyline GT-R and Honda NSX importable — but for kei trucks, federal eligibility is only half the story. See the 25-year rule guide for the full federal eligibility framework and form-filing sequence.

Federal clearance under the 25-year exemption settles only the import question. Whether a 25-year-eligible kei truck can then be titled, registered, and driven on state public roads is determined entirely by the state — and in most states the answer is no, or only with restrictions. Full, unrestricted road use is available in only about 17 states; the remaining states either prohibit kei truck road registration outright or limit it to lower-speed local roads, and no state permits kei trucks on interstate highways. The landscape is also actively in flux, with states reclassifying in both directions.

Several state prohibitions trace to the American Association of Motor Vehicle Administrators (AAMVA) — a non-governmental body that produces model guidance for state DMVs, not binding law — whose "Best Practice" document characterises kei vehicles as substandard in safety and emissions. Following that guidance, multiple states have issued their own binding rules: New York's DMV "will not register or title any Kei-class vehicle" lacking FMVSS and EPA compliance (NY DMV, Register an Imported Vehicle); Georgia's Department of Revenue bars titling and registration of kei vehicles and is revoking existing titles (GA DOR Policy Bulletin MVD-2023-05); and Pennsylvania (PennDOT Mini Trucks FAQs) limits kei trucks to off-road or farm-exemption titles unless the owner holds a pre-December 2021 grandfathered-status letter. California's registration rules require FMVSS certification and CARB emissions compliance that kei trucks cannot meet (CA DMV, Register an Imported Vehicle). Where a state's own published source exists, the table below cites it; for states without a clean public bulletin, the status reflects state DMV guidance and state-law compilations and should be confirmed with the state DMV before purchase.

The table below summarises the approximate 2026 position. Counts are approximate — individual states have reclassified in both directions since 2023, and a buyer's specific county and road class can add restrictions even within a permissive state.

In every US state, a kei truck can be operated on private property without registration — on a farm, a ranch, a construction site, or an off-road recreation area. This is the primary use case for kei trucks imported as off-road-only vehicles (speed-limited to 25 mph and modified to non-road emissions standards), and it is the use case the AAMVA guidance was not targeting.

Off-road-only kei trucks imported under this pathway typically: carry no standard NHTSA VIN; may have no title at all in some states (property records or a bill of sale serve as ownership documentation); are mechanically or electronically limited to 25 mph; and may not be registered or insured for road use. Buyers who want a truck for farm, ranch, property management, or off-road recreation and have no need for public-road use can source a kei truck under this pathway from most states without the state-law complications described in the section above.

The practical trap documented in the existing blog post at Kei Trucks: Are They Here to Stay? applies here: a buyer who purchases a truck with an off-road-only title intending to later register it for road use in a state that does not allow kei truck registration will find that the off-road title cannot be converted. Confirm the title status before buying, and confirm your state's registration rules before committing.

For buyers in states where road registration is permitted, the registration sequence for a 25-year-eligible kei truck generally follows the same federal-clearance path as any other 25-year import — CBP port entry, NHTSA Form HS-7 (Box 1 for the 25-year exemption), and EPA Form 3520-1 — then a state-level title and registration step that varies by state. The US JDM import process guide covers the federal CBP entry sequence in detail.

At the state DMV step, kei trucks present complications that standard JDM passenger cars do not: Japanese-format VINs (fewer than 17 characters) often require state-assigned VIN inspection; some states treat kei trucks under a separate vehicle class ("multipurpose vehicle", "specialty vehicle", or "farm vehicle") rather than under the standard passenger-car or light-truck title classification; and several states require proof that the vehicle is not speed-limited before issuing a road-use title. The most common mistake is purchasing a truck with an off-road-only or farm-use title from another state and then discovering the destination state will not convert that title to a road-use registration.

• Confirm your state's current policy on kei truck road registration before purchasing — rules have changed in both directions since 2023.
• Check the title status of any used kei truck already in the US: off-road-only titles and farm-use registrations are not convertible to road-use titles in most states.
• Verify the VIN format — most Japanese kei trucks carry a non-standard VIN that requires a state VIN inspection and, in some states, a state-assigned replacement VIN.
• For a fresh import, use a licensed customs broker familiar with kei truck entries; the HS-7 and EPA 3520-1 form sequence is the same as other 25-year imports but the vehicle class may prompt additional scrutiny.
• If you are in a restricted state, understand the specific road-class limit (35 mph? 55 mph? no interstates?) before you register, since driving above the permitted speed limit on a road-class-restricted registration can have insurance and liability consequences.

The AAMVA guidance and most state restrictions specifically target mini-trucks (kei trucks) and kei vans used as light utility vehicles — that is, vehicles in the small-pickup and van body styles that overlap with regulated commercial light-truck categories. The safety and emissions concerns cited by AAMVA relate to the utility-vehicle class.

Kei passenger cars — the Honda Beat, Honda Cappuccino, Suzuki Cappuccino, Mazda AZ-1, Autozam AZ-1, Suzuki Alto Works, Mitsubishi Minica, and similar two- or four-seat kei sports and micro-cars — generally do not fall under the mini-truck registration restrictions and register through the same pathway as standard JDM passenger cars. State DMVs have not, as a general matter, extended the kei-truck restrictions to kei passenger cars; however, if a buyer's state has broad language prohibiting "vehicles that do not meet FMVSS" (as Iowa's Code §321.30.2.a does), that language could apply to kei cars as well as kei trucks. Confirm with your specific state DMV.

Kei vans — Honda Acty Van (Street), Subaru Sambar Van, Daihatsu HiJet Van — share the kei truck's utility-vehicle profile and tend to be subject to the same state restrictions as the flatbed/tipper kei truck body styles.

The single most common and most costly mistake in the US kei truck market is buying a truck without understanding its title status and the road-use rules of your state. Several documented patterns to watch for:

• Off-road-only title sold without disclosure — Some dealers in states where kei trucks cannot be road-registered title them as off-road or farm vehicles and sell them without clearly disclosing the restriction. Ask explicitly for the title type before purchase.
• Speed limiter present or absent — A truck imported under the off-road pathway is mechanically limited to 25 mph. This is not always disclosed, and a speed-limited truck cannot be registered for highway use in any state regardless of the state's general kei truck posture.
• Stale state-law assumptions — Dealers and online forums often carry state-by-state lists that have not been updated since 2023. Texas was widely cited as prohibiting kei trucks until April 2024; Massachusetts was widely cited as prohibiting them until mid-2024. Verify the current rule with the specific state DMV, not a forum post.
• County-level variations in permissive states — Even in states where road registration is broadly permitted, some counties impose stricter emissions rules. Utah's Salt Lake County enforces emissions checks that rural counties do not require.
• For a comprehensive overview of what kei trucks are, the popular models (Acty, HiJet, Carry, Sambar), and their practical uses, see Kei Trucks: Are They Here to Stay?