our barry petersen is in the driver's seat. >> reporter: a 1966 cadillac el dorado.ed, it gets about five miles a gallon in the city, and about 12 on the highway. >> they were meant to be driven. i mean, they're-- you know, at 75 and 80 miles an hour. >> reporter: yeah, i can see at 80 miles an hour this car would cruise beautifully from gas station to gas station. ( laughs ) but to owner barry lablanc, it's a cherished beauty. what's the fun of driving a car like this? >> feeling like you're stepping back in time, the amount of glamour that was poured into these machines. >> reporter: stepping back in time to when high fashion sold car fashion. >> particularly amongst the luxury brands, they wanted to connect their cars to the finest in luxury goods. >> reporter: tom dolle and jeff stork collected the ads and stories from the 1940s to the 1960s for their new book "glamour road." and the ads had a subtle sales message: fashion changes year to year. maybe your car should, too. >> fashion has the color palette of the season, which changes. and automobiles have the colo