MotorTrend’s Generation Gap lines up a 1987 Buick GNX, the turbocharged legend of the 1980s, against a 1969 Chevrolet Chevelle that looks like it belongs to somebody’s grandmother. The twist is what hides under the Chevelle’s plain sheet metal: a rare COPO 427 rated at 425 horsepower. It is 1980s tech versus 1960s cubic inches in a head-to-head sleeper showdown. Watch to see which era wins.
The best kind of drag race is the one where the loser was never supposed to lose, and this Generation Gap matchup is built entirely around that surprise. On one side sits a 1980s turbocharged legend that rewrote what people expected from that decade. On the other sits a car that looks so ordinary you would drive past it in a parking lot without a second glance. The twist is that grandma’s Chevelle is hiding one of the rarest and most feared drivetrains Chevrolet ever built, and the whole point of the video is watching that secret reveal itself.
The Sleeper That Looks Like Grandma’s Car
In this episode of MotorTrend’s Generation Gap, Matt and Davin pit a 1987 Buick GNX against a 1969 Chevrolet Chevelle. Matt’s GNX is arguably the best muscle car of the 1980s, with a McLaren Performance-tuned turbocharged V6 sending 245 horsepower and 360 lb-ft of torque to the ground. Davin’s Chevelle looks unassuming on purpose, but as the description puts it, it looks like grandma’s car and goes like a Yenko.
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COPO: Chevrolet’s Back-Door Big Block
The secret is that the Chevelle is a rare COPO car packing the 427-cubic-inch big block, rated at 425 horsepower and 460 lb-ft of torque. COPO, or Central Office Production Order, was the back–door process dealers used to sneak the biggest engines into cars that were never supposed to have them. It is the sleeper formula in its purest form: maximum power, minimum attention.
The GNX and the Case for Boost
The GNX deserves respect on its own terms, not just as a foil. Buick built only a small number of these Grand National-derived cars, and their turbocharged V6 delivered brutal low-end torque that embarrassed contemporary V8 sports cars in a straight line. In an era when most performance was strangled by emissions and insurance, the GNX proved forced induction was the way forward, which makes this a genuine clash of engineering eras rather than a mismatch.
1980s Turbo Tech vs. 1960s Cubic Inches
The matchup is really a debate about eras. Does 1980s turbocharged technology and low-end torque beat late-1960s big-block cubic inches? Both cars are legends for different reasons, and the beauty of the format is that it lets them settle it head to head. Cast your vote after you watch. Watch the full video and share your thoughts below.
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Doesn’t matter …..
My two favorite cars
My 69 L78 SS was the same color, but the stripe was black. I’d have to say Chevelle.
Chevelle SS, my 69 SS circa 1999 northern ohio. Built 454.60 over roller rocker motor. 39y/325 hp car originally. Miss her.
Chevelle
Chevelle all the way.
Buick
2 nice cars
What’s the difference? Just a couple of chevys.
The chevelle
GNX of course…. stupid question!
GNX
Stock vs stock, GNX.