1978 Allison 20 Sold Boat in Crownsville, MD 21032 US
20
1 Engine (Mariner)
20 feet
Gas
Fiberglass/Reinforced
Listed on 1/13/2026, this well kept 1978 20' Allison GT is a rare find in performance trailerable classic speedboats. (Seller reports top speed at 75 mph!) A 200 hp Mariner outboard, Tires just replaced on her single axel trailer and only Aviation gas has been run through her engine. Just cleaned and detailed, she is ready for her next owner to enjoy! Come take a look asap! Photos taken on 1/12/2026. Located in Annapolis/Crownsville. Will sell quickly to her first buyer that has been looking for this rare find!
A 1978 20-foot Allison is a classic, high-performance bass boat known for speed, with models like the GT20 offering serious performance, often needing engine work or interior refreshing in current market, and valued for its heritage in the bass boat industry. These boats, while requiring potential maintenance on older models, are sought after for their unique hull designs, capable of high speeds with the right setup. Key Characteristics
- High Performance: Allison boats, especially models like the GT20, are famous for their speed and efficiency, utilizing unique hull designs for better performance.
- Classic Bass Boat: They are considered pioneers in the bass boat market, with roots going back to the 1960s when Darris Allison developed the first high-performance fiberglass bass boat.
- Condition Varies: Expect older models to need updates, with common issues being worn interiors or aging outboard motors, but they remain desirable for enthusiasts.
- Engine Power: Often paired with powerful outboards, these boats can be set up for significant speed, with some owners reporting impressive performance.
In essence, a 1978 20' Allison is a piece of bass boat history, a fast hull that's a great project or fishing platform for someone looking for classic performance.
The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.
Price History
| Date | Event | Price |
|---|---|---|
| 1/15/26 | Initial price | $7,900 |
Overview from around the web 1978 Allison 20
Customers generally rave about the 1978 Allison 20 for its impressive performance, sleek design, and superior handling
Many boaters appreciate the vessel's speed capabilities, noting that it delivers an exhilarating ride on the water. The innovative hull design provides excellent stability, allowing for sharp turns and a smooth experience even in choppy conditions. Owners also highlight the boat's spacious layout, which offers ample seating and storage, making it perfect for family outings or fishing trips. The classic aesthetic of the Allison 20 is often praised, as it combines retro charm with functional design. Additionally, many users commend the durability and craftsmanship of the 1978 model, often speaking to its longevity and ability to withstand the test of time. Overall, the Allison 20 remains a beloved choice among boating enthusiasts who value performance, style, and reliability.
The Biggest Pros and Cons
Pros
Performance-Oriented Design: The 1978 Allison 20 is renowned for its exceptional speed and agility on the water, making it a favorite among performance enthusiasts. Its lightweight hull and sleek design contribute to impressive handling and acceleration.
Stable Ride: Despite being a high-performance boat, the Allison 20 provides a surprisingly stable ride, thanks to its advanced hull design. This stability is particularly noticeable during sharp turns and rough conditions.
Quality Craftsmanship: Allison boats are known for their high-quality construction. The 1978 model showcases meticulous attention to detail and robust materials, ensuring durability and longevity.
Classic Appeal: The vintage aesthetic of the 1978 Allison 20 appeals to classic boat lovers. It offers a nostalgic charm that's hard to find in modern designs.
Customizability: Many owners appreciate the ease with which they can customize the boat to fit their personal style and performance needs, making it a flexible option for various boating preferences.
Cons
Limited Storage: The emphasis on performance can mean a compromise in storage space. The Allison 20 may not provide as much storage as recreational boats focused on leisure.
Fuel Consumption: High-performance boats like the Allison 20 can be less fuel-efficient compared to more utilitarian options, making it potentially more expensive to operate for extended periods.
Niche Market: This model caters primarily to speed and performance enthusiasts, which may limit its appeal to casual boaters who prefer leisurely cruising or family-oriented features.
Maintenance Requirements: Given its high-performance nature, the Allison 20 may require more consistent maintenance and attention to keep it in top condition compared to recreational boats.
Age Considerations: As a boat from 1978, potential buyers should be aware of the wear and tear that can come with age. Proper inspection and maintenance history are crucial when considering a used model.
Made For
The 1978 Allison 20 is designed for avid boaters, especially those who appreciate high-performance and agile watercraft. This boat appeals to speed enthusiasts, recreational anglers, and families looking for a reliable vessel for weekend outings or water sports. Its sleek design and powerful engine options make it perfect for those who enjoy thrill-seeking activities like water skiing and wakeboarding. With its spacious layout and comfortable seating, the Allison 20 also caters to social gatherings on the water. Whether you're an experienced boat owner or a first-time buyer, this classic model is ideal for anyone seeking a versatile and stylish boat that delivers an exhilarating experience on the water.
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Address
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Boat Location
Contact Yacht View Brokerage LLC Annapolis about 1978 Allison 20
2 Bonaparte Rd, Crownsville, MD, 21032














