Supra Boats SL 2018 vs Supra SA450 2013 - Boat Spec Comparison

Q: Which is the larger boat — the Supra Boats SL 2018 or the Supra SA450 2013?

The Supra Boats SL 2018 is the longer of the two at 23,0 feet overall. The Supra SA450 2013 comes in at 22,5 feet, making it roughly 0,5 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: How many people can each boat hold?

The Supra Boats SL 2018 is Coast Guard rated for 7 passengers, while the Supra SA450 2013 is certified for 13. 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: Which boat has the larger fuel tank — the Supra Boats SL 2018 or the Supra SA450 2013?

The Supra Boats SL 2018 has the bigger tank at 73 gallons, versus 5 gallons on the Supra SA450 2013. That 68-gallon difference translates to roughly 204–340 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Supra Boats SL 2018 and Supra SA450 2013 from the same manufacturer?

Yes — both the Supra Boats SL 2018 and the Supra SA450 2013 are built by Supra. 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

Supra Boats SL 2018 vs Supra SA450 2013

Supra

Supra Boats SL 2018

2018

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Supra

Supra SA450 2013

2013

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Detailed Evaluation & Buyer Recommendation

Supra Boats SL 2018 vs Supra SA450 2013 — Same Brand, Different Boat

The Supra Boats SL 2018 vs Supra SA450 2013 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.

Both boats share a closely matched power ceiling — 450 hp for the Supra Boats SL 2018 and 450 hp for the Supra SA450 2013. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Supra Boats SL 2018 carries 73 gallons versus 5 gallons in the Supra SA450 2013. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Supra SA450 2013 is rated for 13 passengers, while the Supra Boats SL 2018 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Supra SA450 2013 could be the deciding factor.

Bottom line: Choose the Supra SA450 2013 if your priority is putting more people on the water — it handles 13 passengers and at 22,5 ft it has the deck room to back that rating up comfortably. The Supra Boats SL 2018 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.

Measurements / Dimensions

Length overall - Detail23.00 ft

Length overall - Detail22 ft. 6 in

Length - Feet23

Length - Feet22.5

Length overall - Meters7.01

Length overall - Meters6.86

Length overall - Inches276

Length overall - Inches27

Beamnot available

Beam100 in

Beam - Metersnot available

Beam - Meters2.54

Beam - Inchesnot available

Beam - Inches1

Draft [max] - Detailnot available

Draft [max] - Detail26 in

Draft [max] - Metersnot available

Draft [max] - Meters0.66

Draft [max] - Inchesnot available

Draft [max] - Inches26

Weight - Detailnot available

Weight - Detail4,300 lbs

Weight - kgnot available

Weight - kg1950.45

Weight - lbs.not available

Weight - lbs.43

Engine and Drivetrain

Fuel tank capacity - Gal73

Fuel tank capacity - Gal5

Fuel tank capacity - Liters276.33

Fuel tank capacity - Liters189.27

Engine makeIndmar

Engine makenot available

Horsepower450 hp

Fuel typeGas

Drive typeinboard

Drive typeV-drive

Fuel tank capacity - Detailnot available

Fuel tank capacity - Detail50 gal

Operational Info

Boat typePower

Boat typenot available

Maximum capacitynot available

Maximum capacity1,900 lbs

Maximum peoplenot available

Maximum people13

General Boat Info

Makenot available

MakeSupra

Modelnot available

ModelSA45

Model Yearnot available

Model Year2013

Body / Hull

Hull materialnot available

Hull materialFiberglass

Hull typenot available

Hull typeModified Vee

Supra Boats SL 2018 vs Supra SA450 2013 — Common Questions

Which is the larger boat — the Supra Boats SL 2018 or the Supra SA450 2013?

The Supra Boats SL 2018 is the longer of the two at 23,0 feet overall. The Supra SA450 2013 comes in at 22,5 feet, making it roughly 0,5 ft shorter — a meaningful difference in deck room and overall on-water presence.

How many people can each boat hold?

The Supra Boats SL 2018 is Coast Guard rated for 7 passengers, while the Supra SA450 2013 is certified for 13. 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.

Which boat has the larger fuel tank — the Supra Boats SL 2018 or the Supra SA450 2013?

The Supra Boats SL 2018 has the bigger tank at 73 gallons, versus 5 gallons on the Supra SA450 2013. That 68-gallon difference translates to roughly 204–340 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Supra Boats SL 2018 and Supra SA450 2013 from the same manufacturer?

Yes — both the Supra Boats SL 2018 and the Supra SA450 2013 are built by Supra. 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.

← Supra Boats SL 2018 full specs ← Supra SA450 2013 full specs