Mopar, the performance arm of Chrysler, gave us some of the boldest, loudest, and fastest cars ever to hit the street or strip. From Challengers to Chargers to ‘Cudas to Road Runners, when it comes to Mopar muscle cars, the choices are nearly endless. These legendary machines undoubtedly helped define an era of raw American horsepower.We're talking about an era when cubic inches were king, quarter-mile bragging rights meant everything, and design was as aggressive as the growl under the hood. Names like Hemi, Six Pack, and Super Bee weren’t just cool – they were cultural. However, with so many iconic names popping up during the muscle car era, some great models inevitably ended up overshadowed or even forgotten.Among these tire-smoking legends, one car stands out as the most criminally underrated. It's a true muscle car masterpiece that never got the spotlight it deserved. So, without further ado, it’s time to give this forgotten Mopar some proper recognition. The 1970 Plymouth Sport Fury GT Is The Most Underrated Mopar Muscle Car Ever Produced 3/4 front view 1970 Plymouth Sport Fury GT 1970 Plymouth Sport Fury GT Specs (Source: Hagerty) When talking about Mopar muscle legends, names like the 'Cuda, Charger, and Road Runner dominate the conversation. However, the 1970 Plymouth Sport Fury GT finds a way to quietly enter the conversation, highlighting why it deserves a seat at the table. This full-sized powerhouse was the largest muscle car Plymouth ever built and arguably its most overlooked.The Plymouth Sport Fury GT was only a one-year model, with less than 700 ever made. Produced solely in 1970, the Sport Fury GT is noted as an incredibly rare collector's item. Under the hood, the Sport Fury GT packed a 7.2-liter Super Commando V8, cranking out 375 horsepower and 480 lb-ft of torque. Mated to the bulletproof TorqueFlite A727 automatic, it could rocket this nearly 4,200-pound brute from 0 to 60 in just about 6.7 seconds and reach a top speed of around 130 mph.In addition, a very rare number were built with the legendary 440 "Six Pack" setup. According to Hagerty, less than 70 Sport Fury GTs were produced with the "Six Pack" engine setup. These were some of the rarest high-performance Mopar muscle cars ever produced. They were able to accelerate from 0 to 60 in just about 6.2 seconds and could reach a top speed of around 135 mph. Here's How Much A 1970 Plymouth Sport Fury GT Costs Today According to Hot Rod, the original MSRP on a 1970 Plymouth Sport Fury GT was around $3,900. While you probably won't be able to get your hands on one in that price range nowadays, this underrated Mopar is still available at a bargain price.Based on Hagerty's price valuation tool, the average auction price for a 1970 Plymouth Sport Fury GT in good condition is $17,300. In addition, Hagerty reports on the 1969–1973 Plymouth Fury stats. With just 40 cars sold in total, the highest recorded sale has been $57,000, the lowest recorded sale has been $1,388, and the most recent sale was $8,400.Keep in mind that the 1970 Plymouth Sport Fury GT is incredibly rare, with less than 700 cars being produced. So, if you find one, you're going to want to act fast. 1970 Plymouth Fury Price Breakdown (Source: Classic.com)While Classic.com doesn't offer stats specifically for the 1970 Plymouth Sport Fury GT trim, it does provide a price breakdown for the 1970 Plymouth Fury that encompasses all trim levels. The data indicates that the average auction price for a 1970 Plymouth Fury is around $21,617.Keep in mind that if you can't seem to get your hands on a Sport Fury GT and simply dig the Plymouth Fury styling, there are ample Plymouth Fury III trims available on the used market. While the Fury III doesn't possess the power of the GT, it's still a sick ride, serving as the premium trim in terms of bells and whistles in the regular lineup. Plus, as a restomod, the sky is truly the limit on the power that these classics can unleash.For example, feast your eyes on this stunning red 1970 Plymouth Fury III Convertible. It sports a 383ci V8 (G-Code) engine, automatic transmission, and an automatic transmission. With 54,192 miles on the odometer, the last asking price of this rig was $18,900. What Makes The 1970 Plymouth Sport Fury GT So Special? While its rarity and affordability make it stand out against its more well-known Mopar siblings, there's plenty that makes the 1970 Plymouth Sport Fury GT special. For one, the Plymouth Sport Fury GT was only produced in 1970. The year was big for the Plymouth Fury as a whole, too. Along with the base Fury, Fury II, and Fury III trims, Plymouth also offered the Sport Fury, Sport Fury GT, and Sport Fury S/23. It also marked the final model year for Fury convertibles, adding historical weight to the lineup. 1970 Plymouth Fury Specs By Trim (Sources: Hagerty, Classic.com)Out of the 1970 Fury lineup, the GT stood out with a loop bumper, hood bulges with turn signals, optional hidden headlights, and unique "GT" badging. It was a fusion of luxury and raw muscle, offering both bucket seats and brutal performance in a massive C-body frame. In contrast, the Sport Fury S/23 served as a more affordable mid-level performance model powered by a 383 V8, making it a budget-friendly alternative to the GT.The Sport Fury GT was the epitome of Mopar’s bold approach to full-size muscle. With a 375-horsepower 440 V8 and an optional 440 Six-Pack configuration, it was capable of blistering performance despite its large size. Coupled with premium features like bucket seats, a three-speed automatic, and aggressive styling details, it blended luxury with raw speed in a way few cars of its size could.Today, the Sport Fury GT is an ultra-rare collector's dream. Unfortunately, or maybe fortunately for a few lucky collectors, it's still flying under the radar compared to its smaller Mopar siblings. However, the Sport Fury GT was more than just a big car. It was bold, beautiful, and brutally fast. After all these years, it's high time the 1970 Sport Fury GT gets the recognition it truly deserves. Other Underrated Mopar Muscle Cars To Check Out 1970 Plymouth Duster 340While the 1970 Sport Fury GT is hard to beat when it comes to rarity and price, there are a number of other underrated Mopar muscle cars that deserve a shout-out, too.Two that make the list today are the 1970 Plymouth Duster 340 and the 1968 Dodge Dart GTS. Both offer impressive performance with lightweight bodies and powerful V8 engines. Their performance and potential make them hidden gems worth checking out. A Look At The 1970 Plymouth Duster 340 The 1970 Plymouth Duster 340 is a legendary muscle car that captured the spirit of the 1970s. Powered by a 340-cubic-inch V8 engine, it produced 275 horsepower, giving it impressive acceleration and performance. With its compact size, aggressive styling, and distinct rear sloping roofline, the Duster 340 combined speed and handling. The car featured bucket seats, sporty trim, and a performance-focused suspension, making it a favorite among enthusiasts. As part of Plymouth’s continued commitment to the muscle car market, the Duster 340 expanded its reach by offering an affordable, compact performer. A Look At The 1968 Dodge Dart GTS The 1968 Dodge Dart GTS is a classic American muscle car that made a lasting impression with its blend of power and compact design. Equipped with a 340-cubic-inch V8 engine, it delivered 275 horsepower, allowing for rapid acceleration and thrilling performance. The Dart GTS featured a distinctive, aggressive look with bold stripes, a hood scoop, and a sleek, streamlined body. Inside, it offered bucket seats and a driver-focused dashboard. With its impressive power-to-weight ratio and affordability, the 1968 Dodge Dart GTS became a popular choice for enthusiasts, cementing its place in muscle car history. Here's How Much These Mopar Muscle Cars Cost (Source: Classic.com)While the 1970 Plymouth Duster 340 and 1968 Dodge Dart GTS are considerably more expensive compared to the average going rate of $17,300 for a 1970 Plymouth Sport Fury GT in good condition, there's a wider selection of these classic models available for purchase.For instance, take a look at this gorgeous 1970 Plymouth Duster 340, painted white with a red racing stripe. It's been revamped with a new engine, but with only 54,891 miles on the odometer and an asking price of $33,900, it's a steal.This stunning green 1968 Dodge Dart GTS is another shining example of what's available on the market today. It features its original V8 engine, automatic transmission, and RWD. It currently has 75,110 miles on the odometer and features an asking price of $58,995.Ultimately, at the end of the day, you simply can't go wrong behind the wheel of a classic Mopar.