When two boats share the same hull type — in this case both the Crestliner Ambush 18 2013 and the Crestliner Raptor Series 1850 CE WT 2009 are modified vee designs with aluminum construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
On paper these two are close siblings in the size department — Crestliner Ambush 18 2013 at 18,0 ft versus Crestliner Raptor Series 1850 CE WT 2009 at 18,0 ft. Weight tells a clearer story for trailering families: the Crestliner Ambush 18 2013 tips the scales at 1 009 lbs — 862 lbs more than the Crestliner Raptor Series 1850 CE WT 2009 at 147 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.
The power gap is worth calling out. Rated to 175 hp, the Crestliner Raptor Series 1850 CE WT 2009 has a 85-hp advantage over the Crestliner Ambush 18 2013's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Crestliner Raptor Series 1850 CE WT 2009 carries 33 gallons versus 2 gallons in the Crestliner Ambush 18 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 Crestliner Raptor Series 1850 CE WT 2009 is rated for 7 passengers, while the Crestliner Ambush 18 2013 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Raptor Series 1850 CE WT 2009 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Crestliner Raptor Series 1850 CE WT 2009 comes in at 1 lbs per hp versus 11 lbs per hp for the Crestliner Ambush 18 2013. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.
Bottom line: Choose the Crestliner Raptor Series 1850 CE WT 2009 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 Crestliner Ambush 18 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.