Detailed Evaluation & Buyer Recommendation
Tahoe 450 TF 2019 vs Tahoe Boats Q8i SSi 2011 — Same Brand, Different Boat
The Tahoe 450 TF 2019 vs Tahoe Boats Q8i SSi 2011 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 Tahoe Boats Q8i SSi 2011 tops out at 320 hp. Engine specs for the Tahoe 450 TF 2019 aren't listed — confirm with a dealer before selecting an outboard.
For family outings this is probably the sharpest distinction between the two. The Tahoe 450 TF 2019 is rated for 5 passengers, while the Tahoe Boats Q8i SSi 2011 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Tahoe 450 TF 2019 could be the deciding factor.
Bottom line: Choose the Tahoe 450 TF 2019 if your priority is putting more people on the water — it handles 5 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Tahoe Boats Q8i SSi 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail18.00 ft
Length overall - Detail21 ft. 8 in
Length - Feet18
Length - Feet21.67
Length overall - Meters5.49
Length overall - Meters6.6
Length overall - Inches216
Length overall - Inches26
Beamnot available
Beam102 in
Beam - Metersnot available
Beam - Meters2.59
Beam - Inchesnot available
Beam - Inches102
Deadrisenot available
Deadrise20℃
Depth - Detailnot available
Depth - Detail32 in
Depth - Centimetersnot available
Depth - Centimeters81.28
Depth - Inchesnot available
Depth - Inches32
Draft [max] - Detailnot available
Draft [max] - Detail24 in
Draft [max] - Metersnot available
Draft [max] - Meters0.61
Draft [max] - Inchesnot available
Draft [max] - Inches24
Weight - Detailnot available
Weight - Detail3,500 lbs
Weight - kgnot available
Weight - kg1587.57
Weight - lbs.not available
Weight - lbs.35
Engine and Drivetrain
Fuel typeOther
Fuel typeGas
Engine makenot available
Engine makeMercury®
Engine modelnot available
Engine modelMerCruiser® 4.3 l V-6
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail54 gal
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters204.41
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal54
Drive typenot available
Drive typeI/O
Horsepowernot available
Horsepower190 hp
Engine maxnot available
Engine max320 hp
Operational Info
Boat typePower
Boat typenot available
Maximum capacitynot available
Maximum capacity1,550 lbs
Maximum peoplenot available
Maximum people1
General Boat Info
Makenot available
MakeTahoe Boats
Modelnot available
ModelQ8i SSi
Model Yearnot available
Model Year2011
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee