RooftopTentCompare

Naturnest Orion 1 Plus vs Naturnest Sirius 1 Plus

Both of these are Naturnest tents, so the question is not which brand to trust but which size and configuration suits your vehicle and how you camp. The Orion 1 Plus and the Sirius 1 Plus share Naturnest's construction and warranty; where they part company is in the numbers below.

The Sirius 1 Plus is 16 kg lighter at 75 kg against 91 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 Sirius 1 Plus gives 3.36 m² of sleeping floor against 2.81 m², about 20 percent more, and it sleeps 3 to the Orion 1 Plus's 2. Headroom separates them further: 120 cm in the Sirius 1 Plus against 104 cm, which is the difference between sitting up to dress and doing it lying down. The Sirius 1 Plus lists $450 lower, at $1,549 against $1,999.

They open differently: the Orion 1 Plus is a pop-up and the Sirius 1 Plus a fold-out. 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 Orion 1 Plus uses ABS hard shell; the Sirius 1 Plus uses ABS hard shell with aluminium honeycomb base panel. Canvas differs too: 305 g plain Oxford, waterproof (rating grade 3.5) against 420D waterproof Oxford outer; mildew-proof plaid Oxford inner.

Naturnest

Orion 1 Plus

The Orion 1 Plus is Naturnest's boxy ABS pop-up hard-shell tent, rated for two people. Listings cite a size of about 213 x 132 x 104 cm (84 x 52 x 41 in) and a net weight of 178.5 lbs, with a three-layer mattress on a solid oak base, blackout 305 g Oxford fabric, built-in lighting and a climate-control port. Naturnest states setup and pack-down in under a minute.

  • Pop-up design deploys in under a minute per the maker
  • Three-layer mattress on a solid oak base
  • Built-in lighting and a climate-control port
  • Folded dimensions are not clearly published

Naturnest

Sirius 1 Plus

The Sirius 1 Plus is an ABS fold-out hard-shell tent that Naturnest rates for two adults plus a child. Its published open size is 210 x 160 x 120 cm, folding to 159 x 130 x 31.5 cm, with a weight of 75 kg (165 lbs). It includes a 4.5 cm double-layer mattress, interior and exterior LED strips, a USB/Anderson power interface and a roof-top luggage bar rated to 20 kg.

  • Roof-top luggage bar rated to 20 kg for solar panels or gear
  • Includes USB/Anderson power interface and dual LED strips
  • Compatible with an optional annex room
  • Manufacturer does not publish a numeric season rating

Which one to pick

Take the Sirius 1 Plus if the budget is fixed. Take the Sirius 1 Plus if your roof load limit is the binding constraint. 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 Naturnest Orion 1 Plus, Naturnest Sirius 1 Plus
Specification

Naturnest

Sirius 1 Plus
Hardshell
  • Lightest
  • Cheapest
  • Most floor space
  • Most headroom
Check current price
Overview
TypeHardshellHardshell
Opening stylePop-upFold-out
Sleeps2— worst of the tents compared3— best of the tents compared
Season rating
List price$1,999— worst of the tents compared$1,549— best of the tents compared
Weight and size
Weight201 lb— worst of the tents compared165 lb— best of the tents compared
Packed length7 ft— worst of the tents compared5 ft 3 in— best of the tents compared
Packed width4 ft 4 in— worst of the tents compared4 ft 3 in— best of the tents compared
Packed height12.4 in
Living space
Sleeping length7 ft— best of the tents compared6 ft 11 in— worst of the tents compared
Sleeping width4 ft 4 in— worst of the tents compared5 ft 3 in— best of the tents compared
Floor area30.2 sq ft— worst of the tents compared36.2 sq ft— best of the tents compared
Interior height3 ft 5 in— worst of the tents compared3 ft 11 in— best of the tents compared
Mattress thickness1.8 in
Setup and build
Setup timeManufacturer's claim where published; otherwise estimated from tent type. Expect longer in practice.~60 secest.~60 secest.
Shell materialABS hard shellABS hard shell with aluminium honeycomb base panel
Fabric305 g plain Oxford, waterproof (rating grade 3.5)420D waterproof Oxford outer; mildew-proof plaid Oxford inner
Warranty1year1year
Features
Integrated LED lightingYesYes
Heater / HVAC portYes
Roof skylightYes
Annex availableYes
Solar readyYes
Carries cargo on topYes
Sources
Last verifiedNaturnest product pageNaturnest product page

Related comparisons

Or read the full spec sheets for the Naturnest Orion 1 Plus and the Naturnest Sirius 1 Plus.