Tracker GRIZZLY 1648 S 2003 vs Tracker Tundra 18 SC 2007 - Boat Spec Comparison

Q: Which is easier to trailer — the Tracker GRIZZLY 1648 S 2003 or the Tracker Tundra 18 SC 2007?

For trailering, the Tracker Tundra 18 SC 2007 has the edge at 155 lbs dry weight versus 395 lbs for the Tracker GRIZZLY 1648 S 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 18 SC 2007 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Tracker GRIZZLY 1648 S 2003 tops out at 30 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 GRIZZLY 1648 S 2003 is Coast Guard rated for 5 passengers, while the Tracker Tundra 18 SC 2007 is certified for 7. 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 Tracker Tundra 18 SC 2007 measures 96" wide, compared to 71" for the Tracker GRIZZLY 1648 S 2003. 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: Are the Tracker GRIZZLY 1648 S 2003 and Tracker Tundra 18 SC 2007 from the same manufacturer?

Yes — both the Tracker GRIZZLY 1648 S 2003 and the Tracker Tundra 18 SC 2007 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 GRIZZLY 1648 S 2003 vs Tracker Tundra 18 SC 2007

Tracker

Tracker GRIZZLY 1648 S 2003

2003

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Tracker

Tracker Tundra 18 SC 2007

2007

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Detailed Evaluation & Buyer Recommendation

Tracker GRIZZLY 1648 S 2003 vs Tracker Tundra 18 SC 2007 — Same Brand, Different Boat

The Tracker GRIZZLY 1648 S 2003 vs Tracker Tundra 18 SC 2007 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 175 hp, the Tracker Tundra 18 SC 2007 has a 145-hp advantage over the Tracker GRIZZLY 1648 S 2003's 30-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 Tracker Tundra 18 SC 2007 is rated for 7 passengers, while the Tracker GRIZZLY 1648 S 2003 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Tracker Tundra 18 SC 2007 could be the deciding factor.

Bottom line: Choose the Tracker Tundra 18 SC 2007 if your priority is putting more people on the water — it handles 7 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Tracker GRIZZLY 1648 S 2003 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.

General Boat Info

MakeTracker

ModelGrizzly 1648 S

ModelTundra? 18 SC

Model Year2003

Model Year2007

Measurements / Dimensions

Beam71 in

Beam96 in

Beam - Meters1.8

Beam - Meters2.44

Beam - Inches71

Beam - Inches96

Weight - Detail395 Lbs

Weight - Detail1,550 lbs

Weight - kg179.17

Weight - kg703.07

Weight - lbs.395

Weight - lbs.155

Height [transom]16 in

Height [transom]25 in

Length overall - Detail16 ft. 2 in

Length overall - Detail18 ft. 0 in

Length overall - Meters4.93

Length overall - Meters5.49

Length overall - Inches194

Length overall - Inches216

Depth - Detailnot available

Depth - Detail27 in

Depth - Centimetersnot available

Depth - Centimeters68.58

Depth - Inchesnot available

Depth - Inches27

Width [transom] - Detailnot available

Width [transom] - DetailBottom: 74 in

Length - Feetnot available

Length - Feet18

Body / Hull

Hull materialAluminum

Hull thicknessnot available

Hull thickness0.125 in

Hull typenot available

Hull typeModified Vee

Engine and Drivetrain

Engine max30 HP

Engine max175 hp

Engine/s standardnot available

Engine/s standardMercury? 115 EXLPT OptiMax?

Fuel tank capacity - Detailnot available

Fuel tank capacity - Detail40 gal

Fuel tank capacity - Litersnot available

Fuel tank capacity - Liters151.42

Fuel tank capacity - Galnot available

Fuel tank capacity - Gal4

Fuel typenot available

Fuel typeGas

Drive typenot available

Drive typeOutboard

Operational Info

Maximum capacity970 Lbs

Maximum capacity1,705 lbs

Maximum people5 Persons

Maximum people7

Trailer Info

Trailer - Detailnot available

Trailer - DetailColor-coordinated drive-on

Trailer - Length over allnot available

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

Trailer - Widthnot available

Trailer - Width8 ft. 6 in

Tracker GRIZZLY 1648 S 2003 vs Tracker Tundra 18 SC 2007 — Common Questions

Which is easier to trailer — the Tracker GRIZZLY 1648 S 2003 or the Tracker Tundra 18 SC 2007?

For trailering, the Tracker Tundra 18 SC 2007 has the edge at 155 lbs dry weight versus 395 lbs for the Tracker GRIZZLY 1648 S 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 18 SC 2007 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Tracker GRIZZLY 1648 S 2003 tops out at 30 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 GRIZZLY 1648 S 2003 is Coast Guard rated for 5 passengers, while the Tracker Tundra 18 SC 2007 is certified for 7. 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 Tracker Tundra 18 SC 2007 measures 96" wide, compared to 71" for the Tracker GRIZZLY 1648 S 2003. 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.

Are the Tracker GRIZZLY 1648 S 2003 and Tracker Tundra 18 SC 2007 from the same manufacturer?

Yes — both the Tracker GRIZZLY 1648 S 2003 and the Tracker Tundra 18 SC 2007 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 GRIZZLY 1648 S 2003 full specs ← Tracker Tundra 18 SC 2007 full specs