Using the Canadian postal code system as an example, the top level's binding concept is the postal district, and consists of 18 objects (letters). The next level down is the zone, where the objects are the digits 0â9. This is an example of an overlapping hierarchy, because each of these 10 objects has 18 parents.
The refreshed 2014 Buick Regal GS can now be had with all-wheel drive, though the added grip does come at the expense of a few horsepower. We already sampled the 2014 Regal GS and walked away mostly impressed, but now itâs time to verify how the sedanâs powertrain changes affect its performance numbers.
Buick dealers were happy to have the car in the U.S., as it gave them a sportier product with which to lure young buyers into the showroom. It was the Datsun 240Z, however, that spelled the end of the Opel GT, along with the Triumph GT6, MGB GT and Fiat 124 coupe.