The RM Yachts RM 1070 Swing keel Swing keel 2015 vs RM Yachts RM 1180 Lifting keel Lifting keel 2019 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.
Size is the most obvious dividing line here. The RM Yachts RM 1180 Lifting keel Lifting keel 2019 measures 42,1 feet overall (2019), giving it roughly 4,4 additional feet of deck space compared to the RM Yachts RM 1070 Swing keel Swing keel 2015 at 37,7 feet (2015). Weight tells a clearer story for trailering families: the RM Yachts RM 1070 Swing keel Swing keel 2015 tips the scales at 15 873 lbs — 441 lbs more than the RM Yachts RM 1180 Lifting keel Lifting keel 2019 at 15 432 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 RM Yachts RM 1070 Swing keel Swing keel 2015 carries a rated maximum of 40 hp. Engine data for the RM Yachts RM 1180 Lifting keel Lifting keel 2019 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the RM Yachts RM 1180 Lifting keel Lifting keel 2019 carries 28 gallons versus 21 gallons in the RM Yachts RM 1070 Swing keel Swing keel 2015. 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 RM Yachts RM 1180 Lifting keel Lifting keel 2019 is rated for 12 passengers, while the RM Yachts RM 1070 Swing keel Swing keel 2015 caps at 11. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the RM Yachts RM 1180 Lifting keel Lifting keel 2019 could be the deciding factor.
Both boats sit in a similar displacement bracket — 15 873 lbs for the RM Yachts RM 1070 Swing keel Swing keel 2015 and 15 432 lbs for the RM Yachts RM 1180 Lifting keel Lifting keel 2019. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.
Both boats draw a similar depth — 9,7 ft and 10,6 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.
The RM Yachts RM 1070 Swing keel Swing keel 2015 is rigged as a cutter while the RM Yachts RM 1180 Lifting keel Lifting keel 2019 carries Sloop rigging — a meaningful difference in sail handling complexity, upwind performance, and the size of crew you'll need to work the boat comfortably. The RM Yachts RM 1070 Swing keel Swing keel 2015 has a documented auxiliary engine of 40 hp.
For extended cruising, water capacity matters: the RM Yachts RM 1180 Lifting keel Lifting keel 2019 carries 79 gallons versus 53 gallons on the RM Yachts RM 1070 Swing keel Swing keel 2015 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.
Bottom line: The RM Yachts RM 1180 Lifting keel Lifting keel 2019 at 42,1 ft offers more living space, greater range, and a more substantial offshore capability. The RM Yachts RM 1070 Swing keel Swing keel 2015 at 37,7 ft is the easier, lower-cost option — simpler to crew and a strong choice for coastal and day sailing.