• Slide: The Image of 1973 Donzi X18 speedboat docked at a marina. - 1The Image of 1973 Donzi X18 speedboat docked at a marina. - 1
  • Slide: The Image of 1973 Donzi X18 speedboat with red and white interior docked by the water. - 2The Image of 1973 Donzi X18 speedboat with red and white interior docked by the water. - 2
  • Slide: The Image of 1973 Donzi X18 boat interior with vibrant red and white seats. - 3The Image of 1973 Donzi X18 boat interior with vibrant red and white seats. - 3
  • Slide: The Image of Red and white upholstered seating in a 1973 Donzi X18 boat. - 4The Image of Red and white upholstered seating in a 1973 Donzi X18 boat. - 4
  • Slide: The Image of 1973 Donzi X18 boat dashboard with steering wheel and bilge pump controls. - 5The Image of 1973 Donzi X18 boat dashboard with steering wheel and bilge pump controls. - 5
  • Slide: The Image of 1973 Donzi X18 boat interior with red seats, steering wheel, and dashboard gauges. - 6The Image of 1973 Donzi X18 boat interior with red seats, steering wheel, and dashboard gauges. - 6
  • Slide: The Image of 1973 Donzi X18 dashboard with steering wheel and gauges, featuring a red and blue panel design. - 7The Image of 1973 Donzi X18 dashboard with steering wheel and gauges, featuring a red and blue panel design. - 7
  • Slide: The Image of 1973 Donzi X18 dashboard with gauges and controls, featuring a red and white design. - 8The Image of 1973 Donzi X18 dashboard with gauges and controls, featuring a red and white design. - 8
  • Slide: The Image of Hour meter and carbon monoxide warning on 1973 Donzi X18 boat dashboard. - 9The Image of Hour meter and carbon monoxide warning on 1973 Donzi X18 boat dashboard. - 9
  • Slide: The Image of Engine of a 1973 Donzi X18 boat, showcasing detailed components and wiring. - 10The Image of Engine of a 1973 Donzi X18 boat, showcasing detailed components and wiring. - 10
  • Slide: The Image of Engine compartment of a 1973 Donzi X18 boat, showcasing wiring and components. - 11The Image of Engine compartment of a 1973 Donzi X18 boat, showcasing wiring and components. - 11
  • Slide: The Image of 1973 Donzi X18 boat interior wiring and fire extinguisher setup. - 12The Image of 1973 Donzi X18 boat interior wiring and fire extinguisher setup. - 12
  • Slide: The Image of Engine of a 1973 Donzi X18 boat, featuring red and black components with visible wiring. - 13The Image of Engine of a 1973 Donzi X18 boat, featuring red and black components with visible wiring. - 13
  • Slide: The Image of 1973 Donzi X18 boat rear view with red and white hull, outdrive, and trim tabs. - 14The Image of 1973 Donzi X18 boat rear view with red and white hull, outdrive, and trim tabs. - 14
  • Slide: The Image of 1973 Donzi X18 boat with MerCruiser outboard motor at dockside. - 15The Image of 1973 Donzi X18 boat with MerCruiser outboard motor at dockside. - 15
  • Slide: The Image of 1973 Donzi X18 boat stern drive and propeller on display. - 16The Image of 1973 Donzi X18 boat stern drive and propeller on display. - 16
  • Slide: The Image of Propeller of a 1973 Donzi X18 boat on a concrete surface. - 17The Image of Propeller of a 1973 Donzi X18 boat on a concrete surface. - 17
  • Slide: The Image of MerCruiser engine part on 1973 Donzi X18 boat, serial number visible. - 18The Image of MerCruiser engine part on 1973 Donzi X18 boat, serial number visible. - 18
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1973 Donzi X18

$24,900

Used

Boat in Seattle, WA 98107 US

builtBuilt in 1973
Year the boat was built
model

X18

Boat model
engine

1 Engine (chevy)

Engine type and count
length

18 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material

Step into the world of classic boating with this stunning 1973 Donzi X18, a rare gem that combines timeless design with exhilarating performance. This boat is in good condition, powered by a Chevy 350 V8 engine, and ready to make waves.

The Donzi X18 is an icon in the boating world, known for its sleek lines and aggressive hull design that turns heads on and off the water.

The Chevy 350 engine delivers exceptional power, providing the speed and performance that Donzi enthusiasts crave.

This boat is perfect for collectors, speed enthusiasts, or anyone who appreciates the craftsmanship of vintage watercraft. Don't miss your chance to own a piece of boating history that's as functional as it is stylish.

No trailer included.

Nominal Length
18ft
Length Overall
18ft
Beam
7ft
Hull Material
fiberglass
Engine 1
Engine Make
chevy
Engine Model
350
Engine Hours
853
Engine Type
inboard-outboard
Fuel Type
gasoline
Engine Year
1980
Drive Type
stern
Propeller Type
3-blade
Propeller Material
stainless-steel
Cockpit Cover
✓
Disclaimer

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

DateEventPrice
6/28/25Initial price$24,900

1973 Donzi X18 Video Tours

Overview from around the web 1973 Donzi X18

Customers praise the 1973 Donzi X18 for its classic styling and timeless design that continues to turn heads on the water

Many highlight its responsive handling and smooth ride, making it a favorite among boating enthusiasts who appreciate both performance and vintage appeal. Owners also appreciate the quality craftsmanship and durable materials that have allowed the boat to remain in great condition over the years. Overall, the Donzi X18 from 1973 is celebrated for blending nostalgic charm with exhilarating performance.

The Biggest Pros and Cons

The 1973 Donzi X18 is a classic powerboat known for its sleek design and performance. Here are some pros and cons to consider:

Pros

Timeless Design: The 1973 Donzi X18 features a classic, stylish look that remains highly desirable among vintage boat enthusiasts.

Performance: Known for its speed and agility, the X18 was designed as a high-performance powerboat, offering thrilling rides on the water.

Build Quality: Donzi boats from this era were built with quality materials and craftsmanship, contributing to their durability and longevity.

Handling: The hull design provides excellent handling and stability, making it enjoyable for both casual cruising and more spirited driving.

Collector’s Appeal: As a vintage model, the X18 holds collector value and can be a great addition for those interested in classic boats.

Cons

Maintenance: Being a vintage boat, the 1973 Donzi X18 may require more frequent maintenance and care compared to modern boats.

Parts Availability: Due to its age, finding original or compatible replacement parts can be challenging and sometimes costly.

Fuel Efficiency: Older engines tend to be less fuel-efficient compared to contemporary models, which may result in higher operating costs.

Comfort and Amenities: The boat may lack some of the modern conveniences and comfort features found in newer boats.

Safety Features: Safety standards have evolved, so the X18 might not have the latest safety equipment or design elements.

Made For

The 1973 Donzi X18 is perfect for boating enthusiasts who appreciate classic style combined with high-performance capabilities. It's ideal for those seeking a sleek, vintage speedboat that delivers exciting rides on the water, whether for leisurely cruising, water sports, or spirited weekend adventures. This model appeals to collectors and drivers who value timeless design and powerful performance in a compact, agile package.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1973 Donzi X18. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Runabout cost in today's market, or how much does a Donzi cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$282.61/mo
$
$
Loan amount$ 24,900
OR
%

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1973 Donzi X18. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Runabout cost in today's market, or how much does a Donzi cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$282.61/mo
$
$
Loan amount$ 24,900
OR
%

Contact Waypoint Marine Group

5350 30th Avenue NW, Jacobson Terminals, Seattle, WA, 98107

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from Waypoint Marine Group at the number and email provided, including messages sent using an autodialer or prerecorded voice. Message frequency varies. Message and data rates may apply. Reply STOP to opt out or HELP for assistance. Consent is not a condition of purchase. We'll also send helpful email updates about your boat search. You can unsubscribe whenever you like. See Terms of Use and Privacy Policy.

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Meet the Broker

Address

5350 30th Avenue NW
Jacobson Terminals
Seattle, WA 98107

Boat Location

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Contact Waypoint Marine Group about 1973 Donzi X18

5350 30th Avenue NW, Jacobson Terminals, Seattle, WA, 98107

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from Waypoint Marine Group at the number and email provided, including messages sent using an autodialer or prerecorded voice. Message frequency varies. Message and data rates may apply. Reply STOP to opt out or HELP for assistance. Consent is not a condition of purchase. We'll also send helpful email updates about your boat search. You can unsubscribe whenever you like. See Terms of Use and Privacy Policy.

Contact Waypoint Marine Group

5350 30th Avenue NW, Jacobson Terminals, Seattle, WA, 98107

By checking this box, I consent to receive recurring marketing text messages, phone calls, and emails from Waypoint Marine Group at the number and email provided, including messages sent using an autodialer or prerecorded voice. Message frequency varies. Message and data rates may apply. Reply STOP to opt out or HELP for assistance. Consent is not a condition of purchase. We'll also send helpful email updates about your boat search. You can unsubscribe whenever you like. See Terms of Use and Privacy Policy.

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