Yahoo News View Photos of the 1981 Cadillac Sedan de Ville
Cadillac debuts its cylinder deactivation system with the V-8-6-4. The cylinder deactivation is as unnoticeable as the fuel-economy benefits.
The 1981 Cadillac Sedan de Ville is a big car with a big engine. Except when it's not.
The Sedan de Ville's 6.0-liter V-8 makes 140 horsepower when it's running on all cylinders.
This thing hits 60 mph in 11.6 seconds, which is actually surprisingly good.
Our test barge, er, car, carried about $4000 worth of options.
The V-8-6-4 is now Cadillac's best-selling engine. Hopefully it's reliable!
1981 Cadillac Sedan de Ville
1981 Cadillac Sedan de Ville
The Sedan de Ville interior is all about understated good taste.
That's genuine faux wood.
This device points the Sedan de Ville in more or less the direction you intend to go.
Auto-dimming lights are an option.
If your house has a couch this big, congratulations.
1981 Cadillac Sedan de Ville
1981 Cadillac Sedan de Ville
1981 Cadillac Sedan de Ville
You'd think that a 140-hp V-8 couldn't afford to shut down any cylinders. Cadillac disagrees.
With cylinder deactivation in effect, we saw... 11 mpg.
1981 Cadillac Sedan de Ville
1981 Cadillac Sedan de Ville
1981 Cadillac Sedan de Ville
1981 Cadillac Sedan de Ville
1981 Cadillac Sedan de Ville
1981 Cadillac Sedan de Ville
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