Muscle cars were never supposed to be rare. Ever since the Pontiac GTO started off the whole genre in 1964, American carmakers have designed muscle cars as a way for the public to get a relatively affordable fix of adrenaline. Generally, that means getting a tried and tested model, shoehorning in the biggest engine you have in the factory, adding some stripes and, voilà, you have a muscular big seller.While Europe, in particular the likes of Porsche and Ferrari, messed around with exquisite, delicate visions of lightness and delicacy, the Big Three in America went down the route of big power, big torque, and big straight-line speed. It worked in the '60s and it works today. But every now and again, a muscle car arrives that sells in tiny numbers, for one reason or another. One of these is based on a Dodge Coronet, and you're unlikely to see an example driving down the road any time soon. There Are Some Rare And Valuable Muscle Cars Out There Mecum While many muscle cars sell in huge numbers, there are always a few that end up being a rare sight. Dodge shifted a total of 7,844 units of its often overlooked 1968 Super Bee, which was pretty small compared to the 44,599 Road Runners that were sold. At the other end of the scale are models such as the 1964 Ford Fairlane Thunderbolt. This special Fairlane was fitted with a 427 cubic-inch V8 (7.0-liter) that was drastically underrated at 425 horsepower. Just 100 customers got their hands on this car, but that's because it was simply built as a factory drag car homologation special, rather than a showroom model. The Rarer Models Go For Big Bucks Mecum Then there are cars like the one-of-one 1967 Shelby GT500 Super Snake, which features a racing-spec 427 V8 engine from the Ford GT40. This car sold for $1.3 million, becoming the most expensive Mustang ever to hit the auction block. But while many of these unicorn cars are rare because they were so special a large production run was unlikely or not needed, a version of the Dodge Coronet was sold in tiny numbers for a completely different reason. The '69 Coronet R/T Hemi Four-Speed Convertible Makes Rocking Horse Teeth Seem Plentiful Mecum Towards the end of the '60s, the Dodge Coronet didn't look like a car that would spawn an ultra-rare variant. The model had been around since 1949, and was doing service as a big selling muscle car by the '60s. The Coke bottle look of '68 was well in line with the times and the Coronet had a body style and engine to suit every taste. There were four-door sedans and a wagon, but of particular interest to gearheads were the two-doors and convertibles. You could opt for a 225 slant-six if street racing wasn't your game, through a 273 V8, up to a 426 Hem426 Hemi the latter coming with dual quad carburetors and 425 hp as an option in the R/T.Coronet sales in 1967 sat at 190,248 units, says Hemmings, and the top flight R/T reached an all-time sales high of 10,900 units. A TorqueFlite three-speed automatic transmission was standard, but when Dodge offered a four-speed manual for the 1969 Dodge Hemi Coronet R/T Convertible, it accidently created one of the rarest muscle cars of all time. Just four were sold. The '69 Coronet R/T Hemi Convertible Wasn't All Show And No Go Mecum Visually, the '69 Coronet R/T Hemi Convertible doesn't hide its sporting intentions. If you missed the R/T badges, there was the optional twin-scoop hood and twin simulated recessed scoops on the rear quarter. Luckily, the car had plenty of go to match the aggressive looks. The J-code dual-quad 426 Hemi V8 engine is good for 425 hp and 490lb-ft of torque. 1969 Dodge Coronet R/T Hemi Specs MecumThis monster power was enough to send this rag-top to 60 mph in 5.3 seconds and over a quarter mile in 13.6 seconds. That's pretty decent today, let alone in the late '60s. The A33 Track Pak was offered, which included the A833 New Process 4-speed manual transmission and Dana 60 differential equipped with 3.54 gearing and Sure Grip. But virtually no one ticked that option. Here's Why The Coronet Hemi Drop Top Was So Rare Mecum In 1969, the US economy was marked by high inflation and recession, with a squeeze on the job market. The buoyant market that the muscle car market had been born into six years previously was starting to disappear. Insurance companies were getting wise to the fact that it wasn't that difficult for a lot of people to get the keys to monster power, either, with premiums skyrocketing. In short, the golden age of the muscle car was coming to an abrupt end.The problem for the R/T Coronet was that the 425-hp engine was an expensive extra at more than $700. That’s in excess of $6,000 today, which was money a lot of people no longer had. Then there was the fact that manual gearboxes tended to be the reserve of people after serious performance. They were quicker than autos in those days, which is probably not the kind of people who opt for a convertible. So, in the end, just four people bought a '69 Coronet R/T Hemi four-speed convertible. Buying A '69 Coronet R/T Hemi Four-Speed Convertible Was Never Going To Be Cheap MecumOf those four '69 Coronet R/T Hemi four-speed convertibles, just one is left with its matching-numbers 426 Hemi engine, says Mecum. When this car went up for sale on January 16, 2026, at Kissimmee, this had been verified by the Dave Wise vehicle inspection report, pre-restoration and restoration photos, close-up photos of the block and transmission numbers, and correspondence letters between previous owners.The car was sold new at White Bear Dodge in St Paul, Minnesota, a well-known seller of performance Dodge vehicles in the upper Midwest, and was given a light freshen up in 2025 by Level One Restoration. This car features Q5 Bright Turquoise Metallic exterior paint, a power-operated white top and rear white R/T tail stripe. It was also specced with a Ramcharger twin-scoop hood and the deluxe black bucket seats separated with a C16 center console. The Car Fetched A Huge Amount Mecum So, how much is a one-of-four Hemi-powered '69 Coronet worth? The hammer went down at $770,000 at Kissimmee, making it one of the more valuable muscle cars around. If you can forego rarity and exclusivity, there are much cheaper '69 Coronet drops to be had. An R/T with a 440 V8 and 375 hp goes for $55,700, according to Hagerty, and a 230-hp 318 V8 Coronet Convertible will set you back just $18,000. That's not a lot for a very smart-looking classic car.Sources: Fastestlaps, Hagerty, Hemmings, Mecum