Nissan Skyline is illegal in the United States because it did not meet US safety and emissions standards. However, not all Skylines are illegal, which means you can still see some on the road (or even own one!)
In fact, Nissan Skylines were technically never even officially sold in the North American market. Though they are considered illegal to import for road use in the US, you can import a Skyline for display, as a race car, or wait for a model to be 25 years old, also known as the 25-year rule.
I have done the research to help clarify the confusion, provided by a long history of this JDM legend and the guidelines it followed through the years of being off the American road. Let’s break it down so you can figure out if that dream Skyline could roll into your driveway!
When Did the Nissan Skyline Come into Existence?
Nissan Skyline began as a sedan in the 1950s but rose to fame with its GT-R series in the 1960s, evolving into a performance icon.
The R34, which was produced between 1999-2002, is noted for its 2.6L twin-turbo inline-six engine (which produced between 276-330 hp), all-wheel drive, and a multi-function display that featured real-time data such as turbo pressure and oil temps.
It is the last Skyline GT-R prior to Nissan rebranding the GT-R series with the R35, but it has at least established a legacy based on racing heritage (50 wins in Japan’s GT500, for instance) and Fast & Furious affiliation.
Unfortunately, its U.S. journey has probably not gone smoothly!
Which Skylines are Legal in the US?
There are Skyline models that are exempt under the 25-year rule, such as R32 and R34. Other legal models or situations include:
| Model | Legal Status | Details |
| Pre-2000 (R31, R32, R33 pre-1998) | Legal if 25+ years old | Exempt under the 25-year rule (e.g., R32 since 2014, R33 since 2023). |
| 1999-2002 (R34) | Legal if 25+ years old | 1999 models eligible since January 2024, 2000-2002 from 2025-2027 |
| Post-2002 (R35) | Fully Legal | Sold in the U.S. since 2007, meets all standards with 480-565 horsepower. |
Basically, the rule is that these cars, which are over 25 years from their manufacture date, can bypass Federal Motor Vehicle Safety Standards (FMVSS) and Environmental Protection Agency (EPA) emissions requirements.
This means that 1999 R34s became legal in January 2024, 2000 models joined them in 2025, & so on until 2029. Younger models like the R34 were kept illegal until this time because Nissan chose not to alter them for U.S. safety and emission laws.
They decided to spend their money elsewhere due to the high costs involved and the low expected sales. The R35, on the other hand, was designed to comply with U.S. regulations with added advanced safety features, such as lane departure warnings.
Why Were Some Skylines Banned?
Skylines were built in Japan for the Japanese market, with right-hand drive and very little regulation, which did not cover FMVSS crash tests or EPA emissions in the US.
The ban started with the 1988 act to inhibit the importing of “gray market” vehicles, or those that had been modified in some way by a third party to comply with US specifications.
Nissan just didn’t want to pay to have the R34 comply with regulations in general. Flipping a vehicle into left-hand drive increases the cost of compliance, and crash testing four vehicles would cost more than $500,000.
So, illegal smuggling took over due to the illegality of the product. There are estimates of hundreds of R34s being brought into the United States from other countries using loopholes to get by “kit car” law, but numerous vehicles were confiscated silently.
How Can I Legally Own a Skyline?
There are multiple ways to legally own a Skyline in the US, such as importing a race car or a 25-year-old model. Check the following table for simplicity:
| Method | How It Works | Pros/Cons |
| 25-Year Rule | Import after 25 years from manufacture. | Pros: No compliance needed. Cons: Wait until 2026-2029 for newer R34 models |
| Show or Display Exemption | Import rare models (example, R34 V-Spec N1) for display. | Pros: Possible before 25 years. Cons: Limited to 2,500 miles/year, rare eligibility (example, 199 Midnight Purple II units). |
| Race Car Import | Bring in a competition car with Nissan’s racing letter. | Pros: Track use allowed. Cons: Road use restricted until 25 years old, paperwork hassle. |
| Modification | Retrofit to meet FMVSS/EPA standards. | Pros: Immediate ownership. Cons: Costly ($10,000+) and complex, according to a Reddit user |
Reference: FAQ & Info, Bringatrailer.com
For those who like to take a proactive approach, importers like Toprank Importers have pre-purchase storage located in Japan at rates locking in prices in the $125,000-$250,000 range (rates as of September 2023), with export for $4,250 pending customs clearance and the storage fees to be determined later.
If you’re interested in knowing how much it costs to own a Skyline, you should read the Nissan Skyline Price and Buying Guide.
The R34’s Special Case: Motorex Scandal
Because of the Motorex scandal, between 2005 and 2006, approximately 12 Nissan R34s arrived legally prior to the 25-year rule under the “Show or Display” rule. This devastatingly impacted imports of Japanese sports vehicles.
It was later found that Motorex had falsified R33’s and the government allowed modified R32 and R34 vehicles into the country after a raid exposed their fraud. In 2018, the first Show or Display R34 was registered, a V-Spec N1, and by 2024, the 25-year rule opened up the general registration for R34s.
The best thing for these vehicles is that with age, they get tagged as historic and bypass modern standards. R34s are unique because while they provide a historically important vehicle from a market, they were produced with specs that made them nationally recognized (up to 330 hp and razor-sharp handling).
How’s Owning A Skyline Different in California?
If you are located in California, you will want to pay close attention to the compliance, as it can be more difficult to navigate even with the 25-year law. The California Air Resources Board (CARB) expects a BAR (Bureau of Automotive Repair) referee inspection, approved smog certification, and sometimes other emissions equipment and testing requirements beyond federal exemptions.
No modification is needed on pre-1968 vehicles (example, the R31 from 1967), while models from 1968-1974 present the most EPA pressures, often at a price more than the car’s worth, according to Toprank’s guide to importing into California.
For vehicles from 1975 and up (just like the R34), you must have a certificate of conformance, though OBD-II and durability standards are waived for individuals.
The compliance plus smog testing cost ranges from $7,500-$15,000 (for example, $11,000 for R32/R33, $15,000 for 1998+ R34). This process includes some lab tests, an 11-mile FTP dynamometer cycle, and a California Highway Patrol VIN verification. They then ensure a CARB-legal ARB label, which is a compliance label.
Even a minor vacuum leak or an old electrical component can fail emissions.
Frequently Asked Questions
Are Skylines Legal in the US?
Yes, if they are older than 25 years (for example, R32 since 2014, R34 since 2024), or compliant in the USA (R35 since 2007). The R34 was illegal until the 25-year rule applied.
What Is the 25-Year Rule for Skylines?
Vehicles that are more than 25 years from production are exempt from US safety and emissions rules, making the import legal (for example, 1999 R34 is eligible to be imported as of 2024).
Is the R35 Skyline Legal in the US?
Yes! The R35 GT-R has been available in the U.S. market since 2007 and complies with U.S. regulations and standards. Nissan dropped the Skyline name, and it’s available for purchase as the GT-R at a price starting from $121,090.
How Much is California Compliance For an R34?
California compliance costs will range from $7,500-$15,000, whereas 1998+ R34s will be at the maximum of $15,000, including smog testing, ARB labeling, etc.
Final Thoughts
As much as I’d love to see more of these beasts on the road, you’ll want to do it the legal way as a buyer. Your best chance is to get your hands on one of the legal Motorex models or use a trusted importer to ship it from Japan.
Maybe you can get your chance in the next 5 years when the 2001-2003 models finally become legal. I know I wouldn’t miss a chance to get behind the wheel of an R34.
