If you're looking at a used Porsche Cayenne, a five-seat mid-size luxury sport utility vehicle offered by the German auto maker since 2003, you're looking at a prime example of German engineering making its way to the American market. The Porsche Cayenne is offered in conjunction with Volkswagen, with body parts sourced from the Volkswagen Touareg model. Get some basic info on your Porsche Cayenne options to see where it stands among the ongoing line of vehicles offered to the American market.

• Check engine size - engine sizes on the first generation of Cayennes (2002 to 2006) varied from a 3.2L V6 to a 4.5L V8. The second generation (2008 to present) came with a 3.0L V6 Diesel, a 3.6L V6 or a 4.8L V8.
• Check transmission - all Porsche Cayenne models came with a 6-speed manual or 6-speed automatic transmission.
• Find out about trim and limited editions - get all of the info, including limited editions, on what specific model of Porsche Cayenne you are looking at. Find more details on collectible sites or other info web sources for comparing the various Porsche Cayenne models.
• Use the Kelley Blue - Enter the year, trim, model, location, features and mileage into the Kelley Blue Book website (www.kbb.com) to see what the used Porsche is worth. Use these estimates to negotiate equitable sale prices.
• Ask about maintenance - for this German car, maintenance may be a little less straightforward. Think about where you will be taking your Porsche Cayenne for the service it needs to stay on the road long term.

These tips will help provide a sound basis for buying a pre-owned Porsche Cayenne.