RooftopTentCompare

Femkes Alu Khosi Family vs Tuff Stuff Overland Alpine 51

The Femkes Alu Khosi Family and the Tuff Stuff Overland Alpine 51 are both hardshell tents in the same part of the market, which makes them a genuine head-to-head rather than a comparison across categories. Femkes and Tuff Stuff Overland take noticeably different approaches to the same problem.

By the numbers, the Femkes Alu Khosi Family brings 82 kg, 3.87 m² of floor, 129 cm of headroom and sleeps 3. The Tuff Stuff Overland Alpine 51 counters with 112.5 kg, 3.11 m² of floor and sleeps 2.

The Alu Khosi Family is 30.5 kg lighter at 82 kg against 112.5 kg, which on a factory roof rated for 68 to 75 kg is often the difference between a legal fit and a rack upgrade. Inside, the Alu Khosi Family gives 3.87 m² of sleeping floor against 3.11 m², about 24 percent more, and it sleeps 3 to the Alpine 51's 2. Their list prices are within a few percent of each other, so price is unlikely to decide this one.

They open differently: the Alu Khosi Family is a fold-out and the Alpine 51 a pop-up. That is not cosmetic — it decides whether headroom is even across the tent or tapers towards one end, and how much of the roof the tent occupies when closed. The Alu Khosi Family uses aerodynamic ABS, waterproof; the Alpine 51 uses aluminum. Canvas differs too: oxford 210D with silver coating, 300% waterproof against 3200 gsm poly/cotton ripstop, blackout, >3500 mm waterproof. Closed, the Alpine 51 sits 7 cm lower on the roof — 20 cm against 27 cm — which is drag you carry on every mile you are not camping.

Femkes

Alu Khosi Family

The Alu Khosi Family is the family-size fold-out in Femkes's Khosi line, sleeping three persons plus a child on an interior of about 215 x 180 cm with a 129 cm peak height. It includes a sky window, a zip-on awning of roughly 300 x 350 cm, storage compartments, and a 2.3 m ladder. Femkes lists a closed size of 197 x 141 x 27 cm and an approximate 82 kg weight including the mattress.

  • 129 cm peak height, the tallest interior among Femkes's tents
  • Zip-on awning (~300 x 350 cm) and 2.3 m ladder included
  • Sky window for overhead ventilation
  • Approximately 82 kg is the heaviest of Femkes's range

Tuff Stuff Overland

Alpine 51

The two-person size of Tuff Stuff's aluminum hardshell, with the same wedge-or-pop-up roof and integrated rack on a narrower 51-inch base.

  • Dual-action wedge or full pop-up roof
  • Integrated roof rack
  • USB dimmable LED strip
  • 248 lb

Which one to pick

Take the Alu Khosi Family if your roof load limit is the binding constraint. Take the Alu Khosi Family if you need the sleeping room more than you need the lighter tent. Beyond that the feature rows below — heater port, skylight, annex, cargo rails — are where the remaining difference lies.

Every specification, side by side

Side-by-side specifications for Femkes Alu Khosi Family, Tuff Stuff Overland Alpine 51
Specification
Femkes Alu Khosi Family rooftop tentHardshell
  • Lightest
  • Cheapest
  • Most floor space
Not sold in your region

Tuff Stuff Overland

Alpine 51
HardshellCheck current price
Overview
TypeHardshellHardshell
Opening styleFold-outPop-up
Sleeps3— best of the tents compared2— worst of the tents compared
Season rating
List price$4,050— best of the tents compared$4,125— worst of the tents compared
Weight and size
Weight181 lb— best of the tents compared248 lb— worst of the tents compared
Packed length6 ft 6 in— best of the tents compared7 ft 4 in— worst of the tents compared
Packed width4 ft 8 in— worst of the tents compared4 ft 3 in— best of the tents compared
Packed height10.6 in— worst of the tents compared7.9 in— best of the tents compared
Living space
Sleeping length7 ft 1 in— worst of the tents compared7 ft 10 in— best of the tents compared
Sleeping width5 ft 11 in— best of the tents compared4 ft 3 in— worst of the tents compared
Floor area41.7 sq ft— best of the tents compared33.5 sq ft— worst of the tents compared
Interior height4 ft 3 in
Mattress thickness1.6 in— worst of the tents compared2.8 in— best of the tents compared
Setup and build
Setup timeManufacturer's claim where published; otherwise estimated from tent type. Expect longer in practice.~60 secest.60 sec
Shell materialAerodynamic ABS, waterproofAluminum
FabricOxford 210D with silver coating, 300% waterproof3200 gsm poly/cotton ripstop, blackout, >3500 mm waterproof
Warranty
Features
Integrated LED lightingYes
Heater / HVAC port
Roof skylightYes
Annex availableYes
Solar ready
Carries cargo on topYes
Sources
Last verifiedFemkes product pageTuff Stuff Overland product page

Related comparisons

Or read the full spec sheets for the Femkes Alu Khosi Family and the Tuff Stuff Overland Alpine 51.