Tahoe Boats Q4i SF 2013 vs Tahoe Boats Q8i 2005 - Boat Spec Comparison

Q: Which is the larger boat — the Tahoe Boats Q4i SF 2013 or the Tahoe Boats Q8i 2005?

The Tahoe Boats Q8i 2005 is the longer of the two at 21,0 feet overall. The Tahoe Boats Q4i SF 2013 comes in at 18,1 feet, making it roughly 2,9 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which boat can handle a bigger outboard?

The Tahoe Boats Q8i 2005 is rated to a maximum of 320 hp, giving it the larger power ceiling. The Tahoe Boats Q4i SF 2013 tops out at 135 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 Tahoe Boats Q4i SF 2013 is Coast Guard rated for 8 passengers, while the Tahoe Boats Q8i 2005 is certified for 1. 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 is wider, and does it affect trailering?

The Tahoe Boats Q8i 2005 measures 102" wide, compared to 91" for the Tahoe Boats Q4i SF 2013. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.

Q: Which boat has the larger fuel tank — the Tahoe Boats Q4i SF 2013 or the Tahoe Boats Q8i 2005?

The Tahoe Boats Q8i 2005 has the bigger tank at 54 gallons, versus 19 gallons on the Tahoe Boats Q4i SF 2013. That 35-gallon difference translates to roughly 105–175 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Tahoe Boats Q4i SF 2013 and Tahoe Boats Q8i 2005 from the same manufacturer?

Yes — both the Tahoe Boats Q4i SF 2013 and the Tahoe Boats Q8i 2005 are built by Tahoe 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

Tahoe Boats Q4i SF 2013 vs Tahoe Boats Q8i 2005

Tahoe Boats

Tahoe Boats Q4i SF 2013

2013

View full specs →

Tahoe Boats

Tahoe Boats Q8i 2005

2005

View full specs →

Detailed Evaluation & Buyer Recommendation

Tahoe Boats Q4i SF 2013 vs Tahoe Boats Q8i 2005 — Same Brand, Different Boat

The Tahoe Boats Q4i SF 2013 vs Tahoe Boats Q8i 2005 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 320 hp, the Tahoe Boats Q8i 2005 has a 185-hp advantage over the Tahoe Boats Q4i SF 2013's 135-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Tahoe Boats Q8i 2005 carries 54 gallons versus 19 gallons in the Tahoe Boats Q4i SF 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 Tahoe Boats Q4i SF 2013 is rated for 8 passengers, while the Tahoe Boats Q8i 2005 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Tahoe Boats Q4i SF 2013 could be the deciding factor.

Bottom line: Choose the Tahoe Boats Q4i SF 2013 if your priority is putting more people on the water — it handles 8 passengers and at 18,1 ft it has the deck room to back that rating up comfortably. The Tahoe Boats Q8i 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.

General Boat Info

MakeTahoe Boats

ModelQ4i SF

ModelQ8i

Model Year2013

Model Year2005

Measurements / Dimensions

Beam91 in

Beam102 in

Beam - Meters2.31

Beam - Meters2.59

Beam - Inches91

Beam - Inches102

Deadrise16°

Deadrise20℃

Depth - Detail29 in

Depth - Detail32 in

Depth - Centimeters73.66

Depth - Centimeters81.28

Depth - Inches29

Depth - Inches32

Draft [max] - Detail18 in

Draft [max] - Detailnot available

Draft [max] - Meters0.46

Draft [max] - Metersnot available

Draft [max] - Inches18

Draft [max] - Inchesnot available

Weight - DetailHull: 1,325 lbs

Weight - Detailnot available

Weight - kg601.01

Weight - kgnot available

Weight - lbs.1325

Weight - lbs.not available

Width [transom] - Detail73 in

Width [transom] - Detailnot available

Length - Feet18.08

Length - Feet21

Length overall - Detail18 ft. 1 in

Length overall - Detail21 ft. 8 in

Length overall - Meters5.51

Length overall - Meters6.6

Length overall - Inches217

Length overall - Inches26

Length - Inchesnot available

Length - Inches8

Body / Hull

Hull materialFiberglass

Hull materialnot available

Hull typeModified Vee

Hull typenot available

Engine and Drivetrain

Engine makeMercury®

Engine makenot available

Engine modelMerCruiser® 3.0 MPI ECT (California Compliant Motor)

Engine modelnot available

Fuel tank capacity - Detail19 gal

Fuel tank capacity - Detail54 gal

Fuel tank capacity - Liters71.92

Fuel tank capacity - Liters204.41

Fuel tank capacity - Gal19

Fuel tank capacity - Gal54

Fuel typeGas

Fuel typenot available

Drive typeI/O

Horsepower135 hp

Horsepowernot available

Engine max135 hp

Engine max320 hp

Engine/s standardnot available

Engine/s standardMerCruiser? 5.0 MPI 260 hp V-8 Alpha

Operational Info

Maximum capacity1,050 lbs

Maximum capacity1,550 lbs

Maximum people8 / 1,050 lbs

Maximum people1

Trailer Info

Trailer - DetailCustom factory-matched, single-axle drive-on

Trailer - Detailnot available

Trailer - HeightPackage: 6 ft. 4 in

Trailer - Heightnot available

Trailer - Length over allTowing: 23 ft

Trailer - Length over allnot available

Trailer - Weight2,697 lbs

Trailer - Weightnot available

Trailer - WidthPackage: 8 ft. 4 in

Trailer - Widthnot available

Tahoe Boats Q4i SF 2013 vs Tahoe Boats Q8i 2005 — Common Questions

Which is the larger boat — the Tahoe Boats Q4i SF 2013 or the Tahoe Boats Q8i 2005?

The Tahoe Boats Q8i 2005 is the longer of the two at 21,0 feet overall. The Tahoe Boats Q4i SF 2013 comes in at 18,1 feet, making it roughly 2,9 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which boat can handle a bigger outboard?

The Tahoe Boats Q8i 2005 is rated to a maximum of 320 hp, giving it the larger power ceiling. The Tahoe Boats Q4i SF 2013 tops out at 135 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 Tahoe Boats Q4i SF 2013 is Coast Guard rated for 8 passengers, while the Tahoe Boats Q8i 2005 is certified for 1. 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 is wider, and does it affect trailering?

The Tahoe Boats Q8i 2005 measures 102" wide, compared to 91" for the Tahoe Boats Q4i SF 2013. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.

Which boat has the larger fuel tank — the Tahoe Boats Q4i SF 2013 or the Tahoe Boats Q8i 2005?

The Tahoe Boats Q8i 2005 has the bigger tank at 54 gallons, versus 19 gallons on the Tahoe Boats Q4i SF 2013. That 35-gallon difference translates to roughly 105–175 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Tahoe Boats Q4i SF 2013 and Tahoe Boats Q8i 2005 from the same manufacturer?

Yes — both the Tahoe Boats Q4i SF 2013 and the Tahoe Boats Q8i 2005 are built by Tahoe 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.

← Tahoe Boats Q4i SF 2013 full specs ← Tahoe Boats Q8i 2005 full specs