Value and market: cheap fun, documentation pays, mods do not

In the auctions captured here, Mk6 GTIs traded from about $5,300 for a 157k-mile driver to $17,000 for a low-mile built Driver's Edition, with most cars landing between $7,000 and $14,000. The clearest premiums went to low mileage, manual gearboxes, rare trims (Driver's and Wolfsburg Editions) and, above all, documented tensioner and service history; accident history and mystery resprays discounted hard. …