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The Outback’s long roof is the reason factory integrated crossbars hold up longer here than on a Forester or Crosstrek — there’s enough length that a medium cargo box or a couple of bikes rarely exposes any real limitation. The question isn’t really “are aftermarket crossbars better,” it’s whether you’ve actually hit the point where the factory setup runs out of room.
For most Outback owners, that point is a specific one: sizing up to a large or XL cargo box. Here’s how to tell if you’re there, and what to buy if you are.
Quick Picks
- Best overall: Thule WingBar Evo — low wind noise, strong cargo box compatibility.
- Best alternative brand: Yakima JetStream — comparable performance, worth it if you’re already in the Yakima ecosystem.
- Best for kayaks and longer gear: Rhino-Rack Vortex Aero — wider spread for watercraft and oversized loads.
- Best budget option: Yakima RoundBar — fine for occasional use, more wind noise than aero bars.
Do You Actually Need Aftermarket Crossbars on an Outback?
If you’re carrying a medium cargo box, bikes, or occasional gear a few times a year, the factory integrated crossbars are usually enough — the Outback’s roof length gives them more room to work with than a Forester or Crosstrek gets from the same bars. Where the factory setup starts to show its limits is sizing up: a large or XL cargo box benefits from the extra bar spread and positioning flexibility aftermarket crossbars provide, mainly for hatch clearance.
In other words, the Outback is the one Subaru where you can reasonably wait until a specific problem shows up before upgrading, rather than upgrading preemptively.
Choosing Crossbars for an Outback
Best Overall: Low Noise, Strong Fitment
For most Outback owners upgrading, the Thule WingBar Evo covers the common case — aerodynamic, quiet at highway speed, and enough bar spread to handle a large or XL cargo box without hatch clearance headaches. The Yakima JetStream is a comparable alternative if you’re already running other Yakima accessories.
For Kayaks and Longer Gear
The Outback’s long roof already gives kayaks and longer gear more room than the other two Subarus, and wider bar spread makes that margin count for more. The Rhino-Rack Vortex Aero is built for exactly that — better support and stability for watercraft and oversized loads.
Budget Option
If you only need crossbars a few times a year, the Yakima RoundBar gets the job done for less — expect more wind noise than the aero options, which matters more if you leave the bars mounted year-round.
Outback vs Forester vs Crosstrek: Where Aftermarket Bars Actually Help
| Model | Roof Length | Where Aftermarket Bars Help Most |
|---|---|---|
| Outback | Longest of the three | Sizing up to large/XL cargo boxes |
| Forester | Moderate | Hatch clearance and positioning, not just capacity |
| Crosstrek | Shortest, narrowest | Accessory compatibility more than added capacity |
The Outback is the one Subaru where the factory bars keep up the longest — the long roof absorbs a lot before fitment becomes a real problem.
Common Mistakes Outback Owners Make
- Upgrading before hitting an actual limitation. If the factory bars handle what you carry, aftermarket crossbars add cost without adding value.
- Buying based on weight capacity alone. Fitment and bar spread usually matter more than max load for everyday use.
- Ignoring wind noise for a setup left on year-round. Aero bars cost more but are noticeably quieter on the highway.
FAQs
Are aftermarket crossbars worth it for an Outback?
Often only once you size up to a large or XL cargo box, or carry kayaks regularly. For occasional use, the factory crossbars are usually enough — the Outback’s long roof means the factory setup goes further here than on a Forester or Crosstrek.
What are the quietest crossbars for an Outback?
Lower-profile aero bars like the WingBar Evo or JetStream are noticeably quieter than round-bar designs, especially at highway speed.
Do aftermarket crossbars improve cargo box fitment?
Usually — better bar spread and positioning flexibility help most with large and XL boxes, where hatch clearance becomes the limiting factor.
Do crossbars affect gas mileage?
Yes, though the impact is small without an accessory mounted. It becomes more noticeable once a cargo box or bike rack is attached.
Final Thoughts
The Outback’s long roof means the factory integrated crossbars carry you further than they would on a Forester or Crosstrek — most owners don’t need to upgrade until they size up to a large or XL cargo box or start hauling kayaks regularly. When that point comes, an aero crossbar like the WingBar Evo or JetStream solves the fitment problem without adding unnecessary noise or bulk.
Recap: Best Crossbars for a Subaru Outback
- Thule WingBar Evo — best overall
- Yakima JetStream — best alternative brand
- Rhino-Rack Vortex Aero — best for kayaks and longer gear
- Yakima RoundBar — best budget option
Related Guides
• What Size Cargo Box Fits an Outback?
• OEM vs Aftermarket Crossbars
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