2013 Cobalt A28

$64,900

Used

Boat in Grasonville, MD 21638 US

builtBuilt in 2013
Year the boat was built
model

A28

Boat model
engine

1 Engine (Volvo)

Engine type and count
length

28 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material
Nominal Length
28ft
Length Overall
28ft
Beam
8.5ft
Max Draft
3.25ft
Drive Up Draft
2.5ft
Deadrise At Transom
21deg
Dry Weight
5460lb
Fresh Water Tanks
10gal
Fuel Tanks
90gal
Hull Material
fiberglass
Hull Shape
deep-vee
Engine 1
Engine Make
Volvo
Engine Model
V8
Total Power
380hp
Fuel Type
gasoline
Drive Type
stern
Engine Notes

Volvo Penta and Mercruiser options available.

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
3/13/26Price decreased$64,900(-12.2%)
10/15/25Initial price$73,900

Contact Knot 10 Yacht Sales

Boat Location Appears Under Price In Listing

Boattest.com Review

Overview

The Cobalt 828 is a thoughtfully designed sport boat that builds upon the success of the popular A-25 by extending the length by three feet, strategically added to the center for enhanced space and functionality. This model exemplifies Cobalt's commitment to uncompromising quality, with superior fit and finish and a host of premium amenities. The 828 offers a blend of elegance and versatility, making it a standout in the high-end sport boat category.

Exterior Design and Deck Features

Externally, the Cobalt 828 showcases meticulous attention to detail. Stainless steel speaker grills with a honeycomb pattern are integrated into quilted upholstery bulwarks, complemented by recessed stainless drink holders. The cockpit walkthrough features a storage hatch with gas-assist struts and soundproofing beneath, allowing it to be opened even with the carpet in place. Additional conveniences include a stereo remote and pull-out shower adjacent to the walkthrough. The boat is equipped with a distinctive stainless steel arch supporting a custom-made bimini top with turnbuckle tension adjustment and integrated LED courtesy lights. The aft sun pad is highly versatile, allowing users to switch between chaise lounge and bench seating configurations with ease, while the observer seat flips to form an aft-facing chaise lounge. The bow seating area includes a full-length lounger to port and a convertible lounge to starboard, where a hinged filler cushion can be deployed to create additional lounging space. Storage compartments are thoughtfully integrated throughout, including for the bow filler cushion, fire extinguisher, navigation light, and ski tow pylon. The starboard side features an entertainment center with a recessed single basin sink, a removable cutting surface that doubles as a serving tray, and optional teak cutting board. A cockpit refrigerator is also available. The boat is fitted with a hydraulic swim platform that operates in conjunction with the outdrive position, allowing for smooth deployment and retraction.

Interior Living Spaces and Amenities

The interior amenities reflect Cobalt's high standards. The helm area features an oversized, custom-embroidered, quilted seat with a padded flip-up bolster designed for all-day comfort. The helm console is finished in soft-touch materials with earth tones to minimize glare, and includes dual multifunction gauges flanking a removable GPS mount. Push-button switches are backlit when activated, and the premium leather and stainless steel steering wheel is mounted on a tilt base. A hatch over the fender storage locker is secured by a magnetic catch and designed with contoured sides for drainage. The head compartment is equipped with a porcelain electric flush toilet with dockside pump-out, a solid surface countertop with integrated sink, an electric vent fan, a frosted overhead skylight, and a mirror on the door’s interior. The cockpit also includes a glove box housing a premium sound system with Sirius satellite radio and a speaker selector switch.

Power and Performance

Powered by the latest Volvo Penta V8 430 engine paired with a dual-prop outdrive, the Cobalt 828 delivers impressive performance and responsiveness. The boat measures 28 feet 6 inches in length overall with a beam of 8 feet 6 inches and an empty weight of 5,460 pounds. With 30 gallons of fuel and two people aboard, the test weight was 6,060 pounds. The top speed reached 53.1 mph at 6,000 rpm, consuming 34 gallons per hour and providing a range of 126 miles. The most efficient cruising speed was 28 mph at 3,500 rpm, burning 9.35 gallons per hour, which translates to a range of 243 miles and an endurance of nearly nine hours with a 10% fuel reserve. Acceleration was notably brisk, with a time to plane of 3.7 seconds, reaching 20 mph in 5.9 seconds and 30 mph in 8.6 seconds. The high torque of the Volvo Penta engine contributed to superior mid-range response and quick throttle advancement, enhancing the overall driving experience.

Operational Features and Storage

Operational convenience is evident throughout the 828. The helm seat’s ergonomic design and padded bolster enhance comfort during extended use. The helm console’s digital engine controls and lighted push-button switches simplify operation. The electric lift engine hatch allows easy access to the engine compartment without obstructing cockpit movement. The engine bay is spacious, facilitating maintenance and inspection. Under the port cockpit seat, the battery switch, main circuit breakers, and jumper terminals are accessible and include provisions for inflating water toys. The bow features a flush-mounted hatch over the deck floor, providing access to the windlass and anchor roller, with hull-mounted docking lights positioned on either side for improved visibility.

Conclusion

The Cobalt 828 exemplifies the brand’s dedication to quality, detail, and performance. Its thoughtful design, premium materials, and versatile features combine to create a sport boat that is both functional and visually impressive. The integration of the Volvo Penta V8 430 engine enhances its performance credentials, delivering quick acceleration and efficient cruising. Overall, the 828 is a refined, well-executed vessel that will appeal to discerning boaters seeking a high-end sport boat experience.

Overview from around the web 2013 Cobalt A28

Customers praise the 2013 Cobalt A28 for its exceptional build quality and luxurious finish, highlighting the spacious and comfortable seating that makes it ideal for family outings and entertaining guests

Many appreciate its powerful yet smooth performance on the water, noting the boat’s excellent handling and stability at various speeds. The well-designed layout, including ample storage and thoughtful amenities, receives positive remarks for enhancing convenience and enjoyment. Overall, owners commend the 2013 Cobalt A28 for combining style, comfort, and performance in a versatile and reliable package.

The Biggest Pros and Cons

The 2013 Cobalt A28 offers a blend of luxury, performance, and versatility, making it a popular choice among boating enthusiasts. Here are some pros and cons to consider:

Pros

Luxurious Design: The A28 features a sleek and stylish design with high-quality materials and finishes, providing a premium feel both inside and out.

Spacious Layout: With ample seating and a well-thought-out cockpit, it comfortably accommodates family and guests for day cruising or entertaining.

Performance: Equipped with powerful engine options, the A28 delivers smooth handling and impressive speed, suitable for watersports and cruising.

Comfort and Amenities: Includes conveniences such as a well-equipped helm, sunpad, swim platform, and optional features like a wet bar and advanced audio systems.

Build Quality: Known for solid construction and attention to detail, ensuring durability and reliability on the water.

Cons

Price Point: As a luxury model, the A28 can be on the higher end of the price spectrum, which might be a consideration for budget-conscious buyers.

Size: While spacious, the 28-foot length might limit overnight accommodations compared to larger cabin cruisers.

Fuel Consumption: Powerful engines provide great performance but may result in higher fuel consumption during extended use.

Storage: Although adequate for day trips, storage space might be limited for longer excursions or extensive gear.

Made For

The 2013 Cobalt A28 is perfect for boating enthusiasts who seek a versatile and stylish vessel that combines performance with comfort. Ideal for families and groups who enjoy water sports, day cruising, and entertaining, this boat offers spacious seating, premium amenities, and smooth handling. Whether you're planning relaxing outings on the lake or adventurous watersports activities, the Cobalt A28 caters to those who value quality craftsmanship and a luxurious boating experience.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2013 Cobalt A28. 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 Bowrider cost in today's market, or how much does a Cobalt 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
$410.97/mo
$
$
%
Principal Loan Amount$ 55,165
Total Payment$98,632.97

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2013 Cobalt A28. 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 Bowrider cost in today's market, or how much does a Cobalt 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
$410.97/mo
$
$
%
Principal Loan Amount$ 55,165
Total Payment$98,632.97

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The Image of 2013 Cobalt A28 boat docked in a marina, surrounded by calm water and other vessels. - 02013 Cobalt A28
Price Drop
The Image of 2012 Cobalt 276 boat docked at night with underwater lights. - 02012 Cobalt 276
$64,900$65,000$55,000$49,900$79,900$44,900
GrasonvilleCrownsvilleShady SideStevensvilleCrownsvilleEdgewater
28'27'26'28'25'28'
3'-----
VolvoVolvo PentaVolvo PentaVolvo pentaVolvo PentaVolvo Penta
380 hp380 hp320 hp380 hp300 hp375 hp
246200283494883
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Nominal Length
Draft
Engine Make
Total Engine Power
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