Allison XB-21 ProSport S.U.B.

Q: What years was the Allison XB-21 ProSport S.U.B. produced?

Our records show the Allison XB-21 ProSport S.U.B. was available from 2010 through to 2013 — a production run of 4 model years. Use the year cards above to find the specific year you're researching.

Q: How long is the Allison XB-21 ProSport S.U.B.?

The Allison XB-21 ProSport S.U.B. measures 21.17 feet in overall length. Always confirm against the specific year sheet, as dimensions can vary between model year revisions.

Q: How much does the Allison XB-21 ProSport S.U.B. weigh?

The Allison XB-21 ProSport S.U.B. has a documented dry weight of 13 lbs. Add your motor, fuel, and gear when calculating total towing weight.

Q: What is the maximum horsepower for the Allison XB-21 ProSport S.U.B.?

The Allison XB-21 ProSport S.U.B. has a maximum engine rating of Max Engine Weight: 510 lbs. Always fit an engine at or below the rated maximum to stay within the builder's safety specification.

Q: How many people can the Allison XB-21 ProSport S.U.B. carry?

The Allison XB-21 ProSport S.U.B. is rated for 5 passengers. As a practical guide, most experienced skippers aim for around 80% of rated capacity for a comfortable day on the water.

Q: What hull type does the Allison XB-21 ProSport S.U.B. use?

The Allison XB-21 ProSport S.U.B. features a composite modified vee hull. Deep-V and modified-V hulls cut through chop efficiently and are popular for fishing and general runabout use.

Q: What is the fuel capacity of the Allison XB-21 ProSport S.U.B.?

The Allison XB-21 ProSport S.U.B. carries a 36-gallon fuel tank. Actual range depends on motor choice, load, and conditions.

Q: Who makes the Allison XB-21 ProSport S.U.B.?

The Allison XB-21 ProSport S.U.B. is manufactured by Allison. Browse the full Allison spec catalogue to compare other models from the same range.

Allison XB-21 ProSport S.U.B. — all spec sheets

Tiny

Model Overview

Allison XB-21 ProSport S.U.B. Specifications

Length21.17 ft

Beam93 in

Weight13 lbs

Max HPMax Engine Weight: 510 lbs

Fuel36 gal

Capacity5 people

Years Made2010–2013

HullModified Vee

MaterialComposite

The Allison XB-21 ProSport S.U.B. was built across 4 model years, from 2010 through to 2013 — a composite modified vee design with outboard propulsion.

Documented specifications include 21.17 ft in overall length, a dry weight of 13 lbs, a maximum engine rating of Max Engine Weight: 510 lbs, capacity for 5 people and a 36-gallon fuel tank. Click any year card below to view the full spec sheet.

Specifications are consistent across all model years in our database.

Browse by year

2010 2011 2012 2013

Compare model years

2010 vs 2011 2011 vs 2012 2012 vs 2013

Spec sheets — all years

Allison XB-21 ProSport S.U.B. 2013 Boat Specs

2013

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Allison XB-21 ProSport S.U.B. 2012 Boat Specs

2012

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Allison XB-21 ProSport S.U.B. 2011 Boat Specs

2011

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Allison XB-21 ProSport S.U.B. 2010 Boat Specs

2010

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Allison XB-21 ProSport S.U.B. — Common Questions

What years was the Allison XB-21 ProSport S.U.B. produced?

Our records show the Allison XB-21 ProSport S.U.B. was available from 2010 through to 2013 — a production run of 4 model years. Use the year cards above to find the specific year you're researching.

How long is the Allison XB-21 ProSport S.U.B.?

The Allison XB-21 ProSport S.U.B. measures 21.17 feet in overall length. Always confirm against the specific year sheet, as dimensions can vary between model year revisions.

How much does the Allison XB-21 ProSport S.U.B. weigh?

The Allison XB-21 ProSport S.U.B. has a documented dry weight of 13 lbs. Add your motor, fuel, and gear when calculating total towing weight.

What is the maximum horsepower for the Allison XB-21 ProSport S.U.B.?

The Allison XB-21 ProSport S.U.B. has a maximum engine rating of Max Engine Weight: 510 lbs. Always fit an engine at or below the rated maximum to stay within the builder's safety specification.

How many people can the Allison XB-21 ProSport S.U.B. carry?

The Allison XB-21 ProSport S.U.B. is rated for 5 passengers. As a practical guide, most experienced skippers aim for around 80% of rated capacity for a comfortable day on the water.

What hull type does the Allison XB-21 ProSport S.U.B. use?

The Allison XB-21 ProSport S.U.B. features a composite modified vee hull. Deep-V and modified-V hulls cut through chop efficiently and are popular for fishing and general runabout use.

What is the fuel capacity of the Allison XB-21 ProSport S.U.B.?

The Allison XB-21 ProSport S.U.B. carries a 36-gallon fuel tank. Actual range depends on motor choice, load, and conditions.

Who makes the Allison XB-21 ProSport S.U.B.?

The Allison XB-21 ProSport S.U.B. is manufactured by Allison. Browse the full Allison spec catalogue to compare other models from the same range.