When two boats share the same hull type — in this case both the Bayliner 245 Cruiser 2012 and the Bayliner 315 SB 2011 are deep vee designs with fiberglass 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?

Size is the most obvious dividing line here. The Bayliner 315 SB 2011 measures 30,5 feet overall (2011), giving it roughly 6,4 additional feet of deck space compared to the Bayliner 245 Cruiser 2012 at 24,1 feet (2012). Weight tells a clearer story for trailering families: the Bayliner 315 SB 2011 tips the scales at 9 098 lbs — 8 552 lbs less than the Bayliner 245 Cruiser 2012 at 546 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 Bayliner 315 SB 2011 tops out at 260 hp. Engine specs for the Bayliner 245 Cruiser 2012 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Bayliner 245 Cruiser 2012 carries 64 gallons versus 12 gallons in the Bayliner 315 SB 2011. 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 Bayliner 245 Cruiser 2012 is rated for 7 passengers, while the Bayliner 315 SB 2011 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Bayliner 245 Cruiser 2012 could be the deciding factor.