![]() With aluminum heads, the Corvette matched the Natty’s output. In 1986, Buick added in an air-to-air intercooler and tweaked the boost output to net the 3.8-liter V-6 an extra 35 horsepower and 30 pound-feet of torque, bettering the mighty Corvette’s base engine by 5 horsepower. The Buick boys saw red and came back the following year. In 1985, the Grand National carried over the 1984’s specifications, but the Vette saw a 25-horsepower bump. And the Natty still had some room to grow. The 1984 Grand Natty made the Corvette squirm in its fiberglass underpants with its 15.9-second 1/4-mile time, as that was only 0.8 seconds slower than GM’s favorite child could pull off. For those not around in the 1980s, you may be thinking “Well, my Civic has 200 horsepower, what’s so special?” Keep in mind that this was the era when emissions chocked power output to the point thateven the mighty Corvette only produced 205 horsepower and 290 pound-feet of torque. In 1984, the Grand National actually started performing well, as it featured a 3.8-liter turbocharged V-6 engine that pumped out 200 horsepower and 300 pound-feet of torque. If anyone tells you they have a 1983 Grand Natty, they’re full of it, as there wasn’t one built… Typically, we would leave this one off of the list, but, so you purists don’t curse us, here you go… It lacked the all-black look and used a lump of a 4.1-liter V-6 engine that produces a flat-lining 125 horsepower. Believe it or not, second to the LeSabre Grand National, this was the rarest of the bunch at only 215 units produced. ![]() In 1982, the Regal Grand National debuted, but it is not really considered a true Grand National. Why should have the Chevy boys been so ticked off? Here’s why by model year: This shot at the king was a bold move made by Buick that likely angered the boys at Chevrolet. ![]()
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