Cobalt Boats R5 2013 vs Cobalt Boats R8 2021 - Boat Spec Comparison

Q: Which is the larger boat — the Cobalt Boats R5 2013 or the Cobalt Boats R8 2021?

The Cobalt Boats R8 2021 is the longer of the two at 28,0 feet overall. The Cobalt Boats R5 2013 comes in at 25,7 feet, making it roughly 2,3 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which boat can handle a bigger outboard?

The Cobalt Boats R8 2021 is rated to a maximum of 300 hp, giving it the larger power ceiling. The Cobalt Boats R5 2013 tops out at 8 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 Cobalt Boats R5 2013 is Coast Guard rated for 2 passengers, while the Cobalt Boats R8 2021 is certified for 8. 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: Are the Cobalt Boats R5 2013 and Cobalt Boats R8 2021 from the same manufacturer?

Yes — both the Cobalt Boats R5 2013 and the Cobalt Boats R8 2021 are built by Cobalt Boats. 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

Cobalt Boats R5 2013 vs Cobalt Boats R8 2021

Cobalt Boats

Cobalt Boats R5 2013

2013

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Cobalt Boats

Cobalt Boats R8 2021

2021

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Detailed Evaluation & Buyer Recommendation

Cobalt Boats R5 2013 vs Cobalt Boats R8 2021 — Same Brand, Different Boat

The Cobalt Boats R5 2013 vs Cobalt Boats R8 2021 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.

The power gap is worth calling out. Rated to 300 hp, the Cobalt Boats R8 2021 has a 292-hp advantage over the Cobalt Boats R5 2013's 8-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Cobalt Boats R8 2021 is rated for 8 passengers, while the Cobalt Boats R5 2013 caps at 2. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Cobalt Boats R8 2021 could be the deciding factor.

Bottom line: Choose the Cobalt Boats R8 2021 if your priority is putting more people on the water — it handles 8 passengers and at 28,0 ft it has the deck room to back that rating up comfortably. The Cobalt Boats R5 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 2 that costs less to run day-to-day.

General Boat Info

MakeCobalt Boats

Makenot available

ModelR5

Modelnot available

Model Year2013

Model Yearnot available

Measurements / Dimensions

Beam8 ft. 6 in. (2.59 m)

Beamnot available

Beam - Meters2.59

Beam - Metersnot available

Beam - Inches102

Beam - Inchesnot available

Bridge clearance - DetailWithout Bimini: 64 in. (1.63 m) With Bimini: 91 in. (2.31 m) With Arch or Tower: 98 in. (2.49 m)

Bridge clearance - Detailnot available

Bridge clearance - Meters2.49

Bridge clearance - Metersnot available

Bridge clearance - Inches98

Bridge clearance - Inchesnot available

Deadrise21°

Deadrisenot available

Draft [drive up] - Detail21 in. (0.53 m)

Draft [drive up] - Detailnot available

Draft [drive up] meters0.53

Draft [drive up] metersnot available

Draft [drive up] inches21

Draft [drive up] inchesnot available

Draft [max] - Detail37 in. (0.94 m)

Draft [max] - Detailnot available

Draft [max] - Meters0.94

Draft [max] - Metersnot available

Draft [max] - Inches37

Draft [max] - Inchesnot available

Weight - Detail4,880 lbs. (1,021 kg)

Weight - Detailnot available

Weight - kg2213.53

Weight - kgnot available

Weight - lbs.488

Weight - lbs.not available

Length - Feet25.67

Length - Feet28

Length [over all with swim platform]25 ft. 8 in. (7.82 m)

Length [over all with swim platform]not available

Length overall - Detailnot available

Length overall - Detail28.00 ft

Length overall - Metersnot available

Length overall - Meters8.53

Length overall - Inchesnot available

Length overall - Inches336

Body / Hull

Hull materialFiberglass

Hull materialnot available

Hull typeDeep Vee

Hull typenot available

Engine and Drivetrain

Max no of engines430 php (321 PkW)

Max no of enginesnot available

Engine/s standard300 php (224 PkW)

Engine/s standardnot available

Fuel tank capacity - Detail50 gal. (189 l)

Fuel tank capacity - Detailnot available

Fuel tank capacity - Liters189.27

Fuel tank capacity - Litersnot available

Fuel tank capacity - Gal5

Fuel tank capacity - Galnot available

Fuel typeGas

Drive typeI/O

Drive typeoutboard

Engine maxVolvo Single V8-300C DP

Engine maxnot available

Engine makenot available

Engine makeYamaha

Horsepowernot available

Horsepower300 hp

Operational Info

HeadPorta Potti

Headnot available

Water capacity10 gal. (38 l)

Water capacitynot available

Maximum capacity14

Maximum capacitynot available

Maximum people2,550 lbs. (1,021 kg)

Maximum peoplenot available

Boat typenot available

Boat typePower

Cobalt Boats R5 2013 vs Cobalt Boats R8 2021 — Common Questions

Which is the larger boat — the Cobalt Boats R5 2013 or the Cobalt Boats R8 2021?

The Cobalt Boats R8 2021 is the longer of the two at 28,0 feet overall. The Cobalt Boats R5 2013 comes in at 25,7 feet, making it roughly 2,3 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which boat can handle a bigger outboard?

The Cobalt Boats R8 2021 is rated to a maximum of 300 hp, giving it the larger power ceiling. The Cobalt Boats R5 2013 tops out at 8 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 Cobalt Boats R5 2013 is Coast Guard rated for 2 passengers, while the Cobalt Boats R8 2021 is certified for 8. 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.

Are the Cobalt Boats R5 2013 and Cobalt Boats R8 2021 from the same manufacturer?

Yes — both the Cobalt Boats R5 2013 and the Cobalt Boats R8 2021 are built by Cobalt Boats. 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.

← Cobalt Boats R5 2013 full specs ← Cobalt Boats R8 2021 full specs