MasterCraft X-15 Backside SS 2007 boat specs
MasterCraft
MasterCraft X-15 Backside SS 2007
2007
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VS
MasterCraft X-7 2010 boat specs
MasterCraft
MasterCraft X-7 2010
2010
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MasterCraft X-15 Backside SS 2007 vs MasterCraft X-7 2010 — Same Brand, Different Boat

The MasterCraft X-15 Backside SS 2007 vs MasterCraft X-7 2010 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.

On paper these two are close siblings in the size department — MasterCraft X-15 Backside SS 2007 at 21,0 ft versus MasterCraft X-7 2010 at 19,7 ft. Weight tells a clearer story for trailering families: the MasterCraft X-15 Backside SS 2007 tips the scales at 3 425 lbs — 3 118 lbs more than the MasterCraft X-7 2010 at 307 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

For family outings this is probably the sharpest distinction between the two. The MasterCraft X-15 Backside SS 2007 is rated for 14 passengers, while the MasterCraft X-7 2010 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the MasterCraft X-15 Backside SS 2007 could be the deciding factor.

Bottom line: Choose the MasterCraft X-15 Backside SS 2007 if your priority is putting more people on the water — it handles 14 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The MasterCraft X-7 2010 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
MakeMasterCraft
MakeMasterCraft
ModelX-15 Backside SS
ModelX-7
Model Year2007
Model Year201
Measurements / Dimensions
Beam100 in
Beamnot available
Beam - Meters2.54
Beam - Metersnot available
Beam - Inches1
Beam - Inchesnot available
Depth - DetailTransom: 28 in. Amidship: 32 in
Depth - DetailTransom: 20 in. Amidship: 22.5 in
Depth - Centimeters81.28
Depth - Centimeters58.42
Depth - Inches32
Depth - Inches22.5
Draft [max] - Detail26.5 in
Draft [max] - Detail22 in
Draft [max] - Meters0.69
Draft [max] - Meters0.56
Draft [max] - Inches26.5
Draft [max] - Inches22
Weight - Detail3,425 lbs
Weight - Detail3,070 lbs
Weight - kg1553.55
Weight - kg1392.53
Weight - lbs.3425
Weight - lbs.307
Length - Feet21
Length - Feet19.67
Length - Inches8
Length - Inchesnot available
Length [over all with swim platform]23 ft. 9 in
Length [over all with swim platform]21 ft. 6 in
Length overall - Detail21 ft. 8 in
Length overall - Detail19.67 ft
Length overall - Meters6.6
Length overall - Meters5.99
Length overall - Inches26
Length overall - Inches236.04
Width [transom] - Detailnot available
Width [transom] - DetailAmidship: 91 in
Height - Detailnot available
Height - DetailTow Bar Height to Waterline: 29 in
Height - Metersnot available
Height - Meters0.74
Height - Inchesnot available
Height - Inches29
Engine and Drivetrain
Fuel tank capacity - Detail45 gal
Fuel tank capacity - Detail28 gal
Fuel tank capacity - Liters170.34
Fuel tank capacity - Liters105.99
Fuel tank capacity - Gal45
Fuel tank capacity - Gal28
Fuel typeGas
Fuel typeGas or Diesel
Drive typeInboard
Drive typeInboard
Operational Info
Maximum capacity2,325 lbs
Maximum capacity1,087 lbs
Maximum people14
Maximum people7
Trailer Info
Trailer - Length over all24 ft. 4 in. w/ Swing Away Tongue Folded: 22 ft. 2 in
Trailer - Length over all22 ft. 5 in. Swing Away Tongue: 20 ft. 7 in
Trailer - WeightTandem-axle: 1,100 lbs
Trailer - WeightSingle-axle: 860 lbs. Tandem-axle: 1,040 lbs
Trailer - WidthTandem-axle: 100 in
Trailer - WidthSingle-axle: 99 in. Tandem-axle: 100 in
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee

MasterCraft X-15 Backside SS 2007 vs MasterCraft X-7 2010 — Common Questions

Which is the larger boat — the MasterCraft X-15 Backside SS 2007 or the MasterCraft X-7 2010?
The MasterCraft X-15 Backside SS 2007 is the longer of the two at 21,0 feet overall. The MasterCraft X-7 2010 comes in at 19,7 feet, making it roughly 1,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the MasterCraft X-15 Backside SS 2007 or the MasterCraft X-7 2010?
For trailering, the MasterCraft X-7 2010 has the edge at 307 lbs dry weight versus 3 425 lbs for the MasterCraft X-15 Backside SS 2007. 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.
How many people can each boat hold?
The MasterCraft X-15 Backside SS 2007 is Coast Guard rated for 14 passengers, while the MasterCraft X-7 2010 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 has the larger fuel tank — the MasterCraft X-15 Backside SS 2007 or the MasterCraft X-7 2010?
The MasterCraft X-15 Backside SS 2007 has the bigger tank at 45 gallons, versus 28 gallons on the MasterCraft X-7 2010. That 17-gallon difference translates to roughly 51–85 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the MasterCraft X-15 Backside SS 2007 and MasterCraft X-7 2010 from the same manufacturer?
Yes — both the MasterCraft X-15 Backside SS 2007 and the MasterCraft X-7 2010 are built by MasterCraft. 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.