Unlocking The 1968 Plymouth GTX’s Mysterious Engine Power

Are you in the market for a classic car that seamlessly combines style, power and performance? Look no further than the 1968 Plymouth GTX. Featuring two powerful engine options – an available 426 HEMI V8 or a 440 CID Super Commando V8 – this vintage ride offers speed, dependability and timeless beauty. Drive through town with heads turning as onlookers take in the sight of this iconic muscle car. Not only is it visually appealing, but with its standard 727 TorqueFlite transmission and Bendix Sure-Grip rear axle, you’ll have smooth handling and superior control over your driving experience. Whether you’re looking to cruise main street or show off at local car events, this classic automobile will help you stand out from the crowd!

Overview of the 1968 Plymouth GTX

The 1968 Plymouth GTX was a high-performance muscle car produced by Plymouth, a division of the Chrysler Corporation, in the United States. Here is an overview of the 1968 Plymouth GTX:


The 1968 Plymouth GTX featured a bold and aggressive design that reflected its performance-oriented nature. It had a distinctive grille with a divided center section and horizontal bars, giving it a unique and recognizable front end. The car had a muscular appearance with sculpted body lines, a long hood, and a short rear deck. It was available in both hardtop and convertible body styles.

Engine Options:

The GTX was known for its powerful engine choices. It offered a range of high-performance engines, including the legendary 426 cubic inch Hemi V8 engine, which produced an impressive amount of horsepower and torque. Other engine options included the 440 cubic inch Super Commando V8 and the 383 cubic inch V8. These engines provided exhilarating acceleration and performance capabilities, making the GTX a formidable presence on the road.


The 1968 Plymouth GTX was designed for performance and speed. Its powerful engines, combined with lightweight construction and aerodynamic design elements, contributed to its exceptional performance capabilities. The GTX was capable of reaching high speeds and delivering rapid acceleration, making it a thrilling car to drive.


The GTX came with various features to enhance both performance and comfort. It had heavy-duty suspension components, power-assisted brakes, and performance-oriented tires to handle the car’s power and improve handling. Inside the cabin, it offered bucket seats, a center console, and a sporty instrument cluster, providing a driver-focused and stylish interior.


The 1968 Plymouth GTX was highly regarded among muscle car enthusiasts and garnered a strong following. Its powerful performance, distinctive design, and reputation for speed made it a sought-after car during its time. The GTX was seen as a high-performance alternative to the standard Plymouth models, appealing to drivers who wanted both power and style.


The 1968 Plymouth GTX has become an iconic classic car, representing the peak of Plymouth’s muscle car era. Its combination of aggressive design, powerful engines, and impressive performance continues to attract collectors and enthusiasts today. The GTX holds a special place in automotive history as a symbol of American muscle and performance.

The 1968 Plymouth GTX was a high-performance muscle car with a bold design, powerful engine options, and thrilling performance capabilities. Its legacy as an iconic and sought-after classic car remains strong, capturing the essence of the golden age of American muscle cars.

The Design Evolution of the 1968 Plymouth GTX

The 1968 Plymouth GTX represented a significant design evolution for Plymouth’s muscle car lineup. Let’s explore the key design elements that evolved in the 1968 Plymouth GTX:

– Aggressive Front End: The 1968 GTX showcased a more aggressive and imposing front end compared to its predecessor. It featured a divided center grille with horizontal bars and a distinctive “GTX” badge, giving it a unique identity on the road. The grille design was complemented by quad headlights, giving the car a bold and menacing look.

– Sculpted Body Lines: The body of the 1968 GTX featured bold and sculpted lines that added to its muscular appearance. The car had a long hood with power bulges and integrated turn signal indicators on the front fenders. The side profile showcased prominent character lines and creases, contributing to its dynamic and athletic stance.

– Refined Rear Styling: The rear design of the 1968 GTX underwent notable changes. It featured sleeker and more streamlined taillights compared to previous models. The rear panel had a clean and uncluttered look, emphasizing the car’s performance-oriented character. The GTX badge was prominently displayed, further highlighting its identity.

– Distinctive Badging and Trim: The 1968 GTX incorporated unique badging and trim elements that set it apart from other Plymouth models. The GTX logos were strategically placed on the grille, rear panel, and fenders, emphasizing its exclusivity and performance-oriented nature. Chrome accents and trim pieces added a touch of elegance and visual appeal.

– Wide Range of Exterior Colors: The 1968 GTX offered a wide range of vibrant and eye-catching exterior color options. From bold reds and blues to classic blacks and whites, the color palette allowed buyers to customize their GTX to their preference. Some colors, such as “High Impact” colors like Limelight and Vitamin C Orange, became particularly iconic and synonymous with the era.

– Optional Sport Stripes: As an option, the 1968 GTX could be equipped with sport stripes that ran along the length of the car. These stripes further enhanced the visual impact and sporty character of the vehicle, giving it a more aggressive and race-inspired aesthetic.

Popular Customizations for the 1968 Plymouth GTX

The 1968 Plymouth GTX was a popular muscle car that allowed owners to customize and personalize their vehicles to their liking. Here are some popular customizations that were commonly seen on the 1968 Plymouth GTX:

– Performance Upgrades: Many owners sought to enhance the performance of their GTX by installing aftermarket performance parts. This could include upgrading the engine with performance components, such as high-performance carburetors, intake manifolds, camshafts, and headers, to increase horsepower and torque. Suspension upgrades, such as stiffer springs and performance shocks, were also popular to improve handling and stability.

– Exterior Paint and Graphics: Custom paint jobs and graphics were a common way to make the GTX stand out from the crowd. Some owners opted for bold and vibrant colors, while others preferred more subtle or classic hues. Racing stripes, whether in a contrasting color or matching the body color, were a popular choice to enhance the sporty look of the car. Custom airbrushing, pinstriping, and decals were also used to add unique visual elements.

– Wheels and Tires: Upgrading the wheels and tires was a popular customization to enhance both the performance and aesthetics of the GTX. Many owners opted for larger and wider wheels with a variety of spoke designs or custom alloy rims. High-performance tires with improved grip and handling characteristics were often chosen to optimize the driving experience.

– Interior Enhancements: The interior of the 1968 Plymouth GTX could be customized to reflect the owner’s personal style and preferences. Upgrading the seats with custom upholstery, such as leather or premium fabric, was a common modification. Additional interior accessories, such as aftermarket gauges, a custom steering wheel, or a modern audio system, were also popular additions.

– Exhaust Systems: Custom exhaust systems were frequently installed to improve the sound and performance of the GTX. Upgrading to performance headers and high-flow mufflers not only enhanced the engine’s power output but also provided a deeper and more aggressive exhaust note.

– Suspension Lowering or Lift Kits: Some owners opted for suspension modifications to give their GTX a more aggressive stance. Lowering kits were popular to achieve a sleeker and more planted look, while lift kits were used to create a higher ground clearance and a more off-road-inspired appearance.

Collectors’ Guide to Finding a 1968 Plymouth GTX

If you’re a collector in search of a 1968 Plymouth GTX, here is a guide to help you find and acquire this classic muscle car:

– Determine Your Budget: Before starting your search, establish a budget that aligns with your financial capabilities and the current market value of the 1968 Plymouth GTX. This will help narrow down your options and ensure a realistic approach to the purchasing process.

– Research and Familiarize Yourself: Learn about the 1968 Plymouth GTX, its features, specifications, and any particular details that may impact its value or desirability. Understand the different engine options, trim levels, and any notable variations within the model year.

– Join Classic Car Enthusiast Communities: Engage with fellow collectors and enthusiasts by joining online forums, social media groups, and attending car shows or auctions dedicated to classic cars. These communities can provide valuable insights, advice, and potential leads on where to find a 1968 Plymouth GTX.

– Explore Online Marketplaces: Utilize popular online marketplaces specializing in classic cars to browse listings of 1968 Plymouth GTXs for sale. Websites such as Hemmings, eBay Motors, ClassicCars.com, and Bring a Trailer often feature a wide range of classic cars, including the Plymouth GTX. Filter search results by location, condition, and price range to find suitable options.

– Contact Classic Car Dealers: Reach out to reputable classic car dealerships or specialty dealers that focus on classic muscle cars. They may have 1968 Plymouth GTX models in their inventory or can assist you in locating one through their network of contacts.

– Attend Classic Car Auctions: Keep an eye on classic car auctions where the 1968 Plymouth GTX might be featured. These events provide an opportunity to see the cars in person, speak with experts, and potentially bid on a well-maintained and authenticated GTX.

– Check Local Classifieds: Explore local classified advertisements in newspapers, car magazines, and online platforms specific to your region. Sometimes, private owners looking to sell their 1968 Plymouth GTX may choose to advertise locally rather than on national platforms.

– Inspect and Verify Authenticity: Once you find a potential 1968 Plymouth GTX, it’s essential to conduct a thorough inspection. Verify the car’s authenticity by examining its VIN (Vehicle Identification Number), matching engine and body codes, and relevant documentation such as the title, build sheets, and historical records.

– Seek Professional Assistance: If you’re not an experienced classic car collector or restorer, consider hiring a professional inspector or mechanic specializing in classic cars to evaluate the vehicle’s condition and provide an expert opinion before making a purchase.

– Negotiate and Complete the Purchase: If you are satisfied with the car’s condition and have done your due diligence, negotiate the price with the seller based on the market value, condition, and any necessary repairs or restoration work. Ensure all necessary paperwork is completed correctly, including a bill of sale and transfer of ownership, to finalize the purchase.

Tips for Maintaining and Restoring a 1968 Plymouth GTX

Maintaining and restoring a 1968 Plymouth GTX requires care, attention to detail, and a thorough understanding of classic car restoration techniques. Here are some tips to help you maintain and restore your 1968 Plymouth GTX:

Regular Maintenance:

– Follow a regular maintenance schedule for your GTX, including oil changes, fluid checks, and tune-ups.

– Keep the car clean to prevent dirt, debris, and moisture from causing damage.

– Check and maintain proper tire pressure for improved handling and longevity.

Authenticity and Documentation:

– Keep track of any documentation related to the car, such as build sheets, owner’s manuals, and service records.

– Research and strive for authenticity when restoring the vehicle. Consult reputable sources and experts to ensure accurate reproduction of original components and finishes.

Careful Storage:

– Store your GTX in a clean, dry, and climate-controlled environment to protect it from the elements and minimize the risk of rust or corrosion.

– Use a high-quality car cover to shield the vehicle from dust, sunlight, and other potential damage.

Rust Prevention and Repair:

– Inspect the car regularly for signs of rust or corrosion. Treat any rust spots promptly to prevent further damage.

– Apply rust inhibitors and protective coatings to vulnerable areas, such as the undercarriage and wheel wells.

Upholstery and Interior:

– Keep the interior clean and free of debris. Regularly vacuum and wipe down surfaces with appropriate cleaning products.

– Repair or replace damaged upholstery, seats, carpets, and other interior components as needed.

Engine and Mechanical Components:

– Regularly check and maintain the engine, transmission, and other mechanical systems according to the manufacturer’s recommendations.

– Replace worn or damaged parts with high-quality, authentic components whenever possible.

– Seek the assistance of a knowledgeable mechanic or classic car specialist for more complex repairs or restoration work.

Paint and Bodywork:

– Protect the car’s paint finish by applying a quality wax or sealant. Regularly wash the car using gentle cleaning products to preserve the paintwork.

– Address any scratches, chips, or dents promptly to prevent further deterioration and consider professional paint restoration if needed.

Electrical System:

– Inspect and maintain the electrical system, including wiring, lights, and gauges. Repair or replace faulty components as necessary.

– Be cautious when working with the electrical system and consider professional assistance if you are not experienced with classic car electrical systems.

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FAQs About 1968 Plymouth GTX

What is the engine options available for the 1968 Plymouth GTX?

The 1968 Plymouth GTX offered several engine options, including the 440 cubic inch V8 engine and the powerful 426 cubic inch Hemi V8 engine.

How much horsepower does the 1968 Plymouth GTX have?

The horsepower output of the 1968 Plymouth GTX varied depending on the engine choice. The 440 V8 engine typically produced around 375 horsepower, while the Hemi V8 engine was capable of generating up to 425 horsepower.

Was the 1968 Plymouth GTX available with a manual transmission?

Yes, the 1968 Plymouth GTX was available with both manual and automatic transmission options. The manual transmission was a four-speed, while the automatic transmission was a three-speed TorqueFlite.

What were the available trim levels for the 1968 Plymouth GTX?

The 1968 Plymouth GTX was offered in a single trim level. However, buyers could choose from various optional features and packages to customize their GTX according to their preferences.

How many 1968 Plymouth GTX cars were produced?

The exact number of 1968 Plymouth GTX cars produced is not readily available. However, it is estimated that a total of approximately 17,783 GTX models were produced for the 1968 model year.

What were some notable features of the 1968 Plymouth GTX?

The 1968 Plymouth GTX came with various notable features, including its powerful V8 engines, high-performance suspension, distinctive hood scoops, dual exhaust system, bucket seats, and optional upgrades like power brakes, power steering, and air conditioning.

What are some distinguishing design elements of the 1968 Plymouth GTX?

The 1968 Plymouth GTX featured a distinctive front grille with the GTX emblem, hood scoops, optional racing stripes, and chrome accents. Its aggressive stance, muscular body lines, and bold styling cues set it apart from other vehicles of its time.

Are original parts and accessories still available for the 1968 Plymouth GTX?

Yes, original parts and accessories for the 1968 Plymouth GTX can still be found through various sources, including specialized classic car parts suppliers, salvage yards, online auctions, and enthusiast communities. Reproduction parts are also available for certain components that may be harder to find.

What is the value of a well-maintained 1968 Plymouth GTX today?

The value of a well-maintained 1968 Plymouth GTX can vary based on factors such as its condition, originality, rarity, and desirability. Prices can range from tens of thousands to over six figures, depending on these factors and the overall market demand.

How can I authenticate the originality of a 1968 Plymouth GTX?

Authenticating the originality of a 1968 Plymouth GTX requires a thorough examination of the vehicle’s VIN (Vehicle Identification Number), fender tag, engine stampings, and documentation such as build sheets and factory records. Consulting with experts or joining online forums and communities dedicated to classic Plymouth vehicles can also provide valuable guidance and assistance in verifying authenticity.

>>> See more: Chris Jacobs’ 1968 Plymouth GTX


The 1968 Plymouth GTX is a classic muscle car that commands respect on the streets with its heritage from the golden era of American automobiles. From its big block engine to its cockpit style interior, the GTX clearly stands out from the crowd and can be spotted in any car collector’s showroom. There’s something for everyone in the muscle car culture and it all starts with the 1968 Plymouth GTX. So if you’re looking for an extra bit of power and some vintage vibes, why not step up to one of these timeless classics? With iconic looks and impressive performance, you never know just how far a 1968 Plymouth GTX could take you!

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