Tracker Tundra 18 SC 2006 vs Tracker Tundra 21 SC 2003 - Boat Spec Comparison

Q: Which is easier to trailer — the Tracker Tundra 18 SC 2006 or the Tracker Tundra 21 SC 2003?

For trailering, the Tracker Tundra 18 SC 2006 has the edge at 155 lbs dry weight versus 189 lbs for the Tracker Tundra 21 SC 2003. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.

Q: Which boat can handle a bigger outboard?

The Tracker Tundra 21 SC 2003 is rated to a maximum of 250 hp, giving it the larger power ceiling. The Tracker Tundra 18 SC 2006 tops out at 175 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 Tracker Tundra 18 SC 2006 is Coast Guard rated for 7 passengers, while the Tracker Tundra 21 SC 2003 is certified for 10. 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: Do these boats require an oversize trailer permit to tow on US highways?

Both the Tracker Tundra 18 SC 2006 and Tracker Tundra 21 SC 2003 share an 96 in beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.

Q: How do the fuel tanks compare on the Tracker Tundra 18 SC 2006 and Tracker Tundra 21 SC 2003?

Both boats carry similar fuel loads — 4 gallons and 5 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 Tracker Tundra 18 SC 2006 and Tracker Tundra 21 SC 2003 from the same manufacturer?

Yes — both the Tracker Tundra 18 SC 2006 and the Tracker Tundra 21 SC 2003 are built by Tracker. 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

Tracker Tundra 18 SC 2006 vs Tracker Tundra 21 SC 2003

Tracker

Tracker Tundra 18 SC 2006

2006

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Tracker

Tracker Tundra 21 SC 2003

2003

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Detailed Evaluation & Buyer Recommendation

Tracker Tundra 18 SC 2006 vs Tracker Tundra 21 SC 2003 — Same Brand, Different Boat

The Tracker Tundra 18 SC 2006 vs Tracker Tundra 21 SC 2003 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 250 hp, the Tracker Tundra 21 SC 2003 has a 75-hp advantage over the Tracker Tundra 18 SC 2006's 175-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 4 gal and 5 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Tracker Tundra 21 SC 2003 is rated for 10 passengers, while the Tracker Tundra 18 SC 2006 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Tracker Tundra 21 SC 2003 could be the deciding factor.

Bottom line: Choose the Tracker Tundra 21 SC 2003 if your priority is putting more people on the water — it handles 10 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Tracker Tundra 18 SC 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.

General Boat Info

MakeTracker

ModelTundra? 18 SC

ModelTundra 21 SC

Model Year2006

Model Year2003

Measurements / Dimensions

Beam96 in

Beam - Meters2.44

Beam - Inches96

Depth - Detail27 in

Depth - Detailnot available

Depth - Centimeters68.58

Depth - Centimetersnot available

Depth - Inches27

Depth - Inchesnot available

Weight - Detail1,550 lbs

Weight - Detail1890 Lbs

Weight - kg703.07

Weight - kg857.29

Weight - lbs.155

Weight - lbs.189

Width [transom] - DetailBottom: 74 in

Width [transom] - Detailnot available

Height [transom]25 in

Height [transom]25.5 in

Length - Feet18

Length - Feetnot available

Length overall - Detail18 ft. 0 in

Length overall - Detail21 ft. 3 in

Length overall - Meters5.49

Length overall - Meters6.48

Length overall - Inches216

Length overall - Inches255

Height - Detailnot available

Height - Detail27 in

Height - Metersnot available

Height - Meters0.69

Height - Inchesnot available

Height - Inches27

Body / Hull

Hull materialAluminum

Hull thickness.125

Hull thicknessnot available

Engine and Drivetrain

Engine/s standard115 EXLPT OptiMax? Motor

Engine/s standardnot available

Fuel tank capacity - Detail40 gal

Fuel tank capacity - Detail50 Gallons

Fuel tank capacity - Liters151.42

Fuel tank capacity - Liters189.27

Fuel tank capacity - Gal4

Fuel tank capacity - Gal5

Drive typeOutboard

Drive typenot available

Engine max175 hp

Engine max250 HP

Operational Info

Maximum capacity1,705 lbs

Maximum capacity2540 Lbs

Maximum people7

Maximum people10 Persons

Trailer Info

Trailer - DetailTrailstar Drive-On Trailer

Trailer - Detailnot available

Trailer - Length over allw/ Transom Saver 23 ft. 0 in

Trailer - Length over allnot available

Trailer - Width8 ft. 6 in

Trailer - Widthnot available

Tracker Tundra 18 SC 2006 vs Tracker Tundra 21 SC 2003 — Common Questions

Which is easier to trailer — the Tracker Tundra 18 SC 2006 or the Tracker Tundra 21 SC 2003?

For trailering, the Tracker Tundra 18 SC 2006 has the edge at 155 lbs dry weight versus 189 lbs for the Tracker Tundra 21 SC 2003. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.

Which boat can handle a bigger outboard?

The Tracker Tundra 21 SC 2003 is rated to a maximum of 250 hp, giving it the larger power ceiling. The Tracker Tundra 18 SC 2006 tops out at 175 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 Tracker Tundra 18 SC 2006 is Coast Guard rated for 7 passengers, while the Tracker Tundra 21 SC 2003 is certified for 10. 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.

Do these boats require an oversize trailer permit to tow on US highways?

Both the Tracker Tundra 18 SC 2006 and Tracker Tundra 21 SC 2003 share an 96 in beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.

How do the fuel tanks compare on the Tracker Tundra 18 SC 2006 and Tracker Tundra 21 SC 2003?

Both boats carry similar fuel loads — 4 gallons and 5 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Are the Tracker Tundra 18 SC 2006 and Tracker Tundra 21 SC 2003 from the same manufacturer?

Yes — both the Tracker Tundra 18 SC 2006 and the Tracker Tundra 21 SC 2003 are built by Tracker. 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.

← Tracker Tundra 18 SC 2006 full specs ← Tracker Tundra 21 SC 2003 full specs