Shallow Sport 18 ft. Sprint 2010 vs Shallow Sport 21.5 ft. Sport 2009 - Boat Spec Comparison

Q: Which is the larger boat — the Shallow Sport 18 ft. Sprint 2010 or the Shallow Sport 21.5 ft. Sport 2009?

The Shallow Sport 21.5 ft. Sport 2009 is the longer of the two at 21,0 feet overall. The Shallow Sport 18 ft. Sprint 2010 comes in at 18,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which boat can handle a bigger outboard?

The Shallow Sport 21.5 ft. Sport 2009 is rated to a maximum of 200 hp, giving it the larger power ceiling. The Shallow Sport 18 ft. Sprint 2010 tops out at 150 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.

Q: How many people can each boat hold?

The Shallow Sport 18 ft. Sprint 2010 is Coast Guard rated for 5 passengers, while the Shallow Sport 21.5 ft. Sport 2009 is certified for 7. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.

Q: How do the fuel tanks compare on the Shallow Sport 18 ft. Sprint 2010 and Shallow Sport 21.5 ft. Sport 2009?

Both boats carry similar fuel loads — 43 gallons and 43 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Q: Are the Shallow Sport 18 ft. Sprint 2010 and Shallow Sport 21.5 ft. Sport 2009 from the same manufacturer?

Yes — both the Shallow Sport 18 ft. Sprint 2010 and the Shallow Sport 21.5 ft. Sport 2009 are built by Shallow Sport. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.

Boat Comparison

Shallow Sport 18 ft. Sprint 2010 vs Shallow Sport 21.5 ft. Sport 2009

Shallow Sport

Shallow Sport 18 ft. Sprint 2010

2010

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Shallow Sport

Shallow Sport 21.5 ft. Sport 2009

2009

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Detailed Evaluation & Buyer Recommendation

Shallow Sport 18 ft. Sprint 2010 vs Shallow Sport 21.5 ft. Sport 2009 — Same Brand, Different Boat

Matching a flat Shallow Sport 18 ft. Sprint 2010 against a tunnel Shallow Sport 21.5 ft. Sport 2009 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

The power gap is worth calling out. Rated to 200 hp, the Shallow Sport 21.5 ft. Sport 2009 has a 50-hp advantage over the Shallow Sport 18 ft. Sprint 2010's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 43 gal and 43 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Shallow Sport 21.5 ft. Sport 2009 is rated for 7 passengers, while the Shallow Sport 18 ft. Sprint 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Shallow Sport 21.5 ft. Sport 2009 could be the deciding factor.

Bottom line: Choose the Shallow Sport 21.5 ft. Sport 2009 if your priority is putting more people on the water — it handles 7 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Shallow Sport 18 ft. Sprint 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.

General Boat Info

MakeShallow Sport

Model18 ft. Sprint

Model21.5 ft. Sport

Model Year201

Model Year2009

Measurements / Dimensions

Length - Feet18

Length - Feet21

Beamnot available

Beam7 ft. 11 in

Beam - Metersnot available

Beam - Meters2.41

Beam - Inchesnot available

Beam - Inches95

Draft [max] - Detailnot available

Draft [max] - Detail8 in

Draft [max] - Metersnot available

Draft [max] - Meters0.2

Draft [max] - Inchesnot available

Draft [max] - Inches8

Weight - Detailnot available

Weight - Detail1,000 lbs

Weight - kgnot available

Weight - kg453.59

Weight - lbs.not available

Weight - lbs.1

Length - Inchesnot available

Length - Inches6

Length overall - Detailnot available

Length overall - Detail21 ft. 6 in

Length overall - Metersnot available

Length overall - Meters6.55

Length overall - Inchesnot available

Length overall - Inches258

Body / Hull

Hull materialComposite

Hull materialFiberglass

Hull typeFlat

Hull typeTunnel

Engine and Drivetrain

Fuel tank capacity - Detail43 gal

Fuel tank capacity - Liters162.77

Fuel tank capacity - Gal43

Fuel typeGas

Drive typeOutboard

Horsepower115 hp

Horsepowernot available

Engine max150 hp

Engine max200 hp

Operational Info

Maximum capacity1,500 lbs

Maximum capacity1,900 lbs

Maximum people5

Maximum people7 / 1,400 lbs

Shallow Sport 18 ft. Sprint 2010 vs Shallow Sport 21.5 ft. Sport 2009 — Common Questions

Which is the larger boat — the Shallow Sport 18 ft. Sprint 2010 or the Shallow Sport 21.5 ft. Sport 2009?

The Shallow Sport 21.5 ft. Sport 2009 is the longer of the two at 21,0 feet overall. The Shallow Sport 18 ft. Sprint 2010 comes in at 18,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which boat can handle a bigger outboard?

The Shallow Sport 21.5 ft. Sport 2009 is rated to a maximum of 200 hp, giving it the larger power ceiling. The Shallow Sport 18 ft. Sprint 2010 tops out at 150 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.

How many people can each boat hold?

The Shallow Sport 18 ft. Sprint 2010 is Coast Guard rated for 5 passengers, while the Shallow Sport 21.5 ft. Sport 2009 is certified for 7. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.

How do the fuel tanks compare on the Shallow Sport 18 ft. Sprint 2010 and Shallow Sport 21.5 ft. Sport 2009?

Both boats carry similar fuel loads — 43 gallons and 43 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Are the Shallow Sport 18 ft. Sprint 2010 and Shallow Sport 21.5 ft. Sport 2009 from the same manufacturer?

Yes — both the Shallow Sport 18 ft. Sprint 2010 and the Shallow Sport 21.5 ft. Sport 2009 are built by Shallow Sport. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.

← Shallow Sport 18 ft. Sprint 2010 full specs ← Shallow Sport 21.5 ft. Sport 2009 full specs