I think you can contact couple of people who are working as fee for services. You have to sit with them on the computer for online auction. You can inspect the auction sheet with all the detail about the cars and select one for yourself. They do the rest of the work and deliver it to your door step. They charge 50K fee. I can give you further detail about them. Two of my friends recently imported couple of cars from them. Both were grade 5 low mileage. They cost a little more than what we get from the market as the ones available here are hardly over 3-3.5 grade max and most are R Grade.
Here is some detail if you like. Wish could import this Skyline 
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As new condition, under 5,000km
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Vehicle is like new. All original body parts. No repair needed on vehicle. Usually only given to vehicles less than 3 years old.
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Vehicle is in excellent condition. No slight scratches or dents.
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Vehicle in good condition, few scratches/dents due to normal wear as you would get with any normal vehicle.
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Vehicle has a few scratches or dents visibly. The grade is usually given to a vehicle in average condition.
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Various scratches or dents, some paint blemishes.
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wholly badly corroded, non standard car, or modified car
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inferior car, basically a pile of you know what. OR ... very heavily modified car.
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Vehicle has been in a minor accident. It has been repaired to an acceptable standard.
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A vehicle which has been in an accident where some parts have been repaired or replaced.
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AUCTION GRADE (Interior ) </td> </tr> <tr style="mso-yfti-irow:11;height:10.2pt"> <td style="background:silver;padding:.75pt .75pt .75pt .75pt;height:10.2pt">
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As new condition. No faults.
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Very clean condition poss. very slightly dirty.
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Clean but with cigarette burn.
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Dirty or stinky or big wear/rip on seats
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AC-Air conditioner SR-Sun roof AW-Alloy Wheels PS-Power steering PW-Electric window
FA-Automatic gearbox F5-5Speed gearbox F6-6 Speed gearbox
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Auction grade sheet
A basic translation from Japanese is shown below to help you understand the auction grade sheet.
This will help you understand if there is a full service history and car documentation, help you understand the exterior and Interior scores, leather seats etc, etc. Note: The auction sheet format is a little bit different sometimes, but the information remains the same, you just have to match up the japanese characters!
year: Japanese year + 1988 = Year
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A1:Scratch or crack, 2- 3cm
A2:Scratch or crack,less than 10cm
A3:Scratch or crack,more than 20cm U or B 1:Dent of "a bean "size
U or B 2:Dent,less than 10cm
U or B 3:Dent,more than 20cm W1:Repaint in as new condition
W2:Repair & repaint in good condition
W3:Repair but the gloss of surface is bad
