Which is better for pet hair?

Both are built for pet owners. The V11 Outsize has more suction and a wider head, so it clears a full floor faster. The V9 is lighter and easier to run over upholstery and stairs.

Is the V11 Outsize worth the extra money?

It isn't extra right now. At $169.90 at eBay as of November 7, 2026, it undercuts the V9 at $239.99 at ShopSimon while offering more suction and runtime.

Which has longer battery life?

The V11 Outsize runs 60 minutes per charge. The V9 runs 40 minutes. Both use removable batteries, so you can swap in a spare.

Which is easier to carry around the house?

The V9, at 4.6 lb. The V11 Outsize weighs 7.94 lb, which is noticeable on stairs and overhead cleaning.

Do both have HEPA filtration?

Yes. The V9 is HEPA certified and captures 99.99% of particles down to 0.3 microns. The V11 Outsize uses whole-machine HEPA filtration.

Which is better for a large home?

The V11 Outsize. Its wider head and 60-minute runtime suit whole-home deep cleans. The V9's 0.1 gal bin needs emptying more often.

Dyson V9 Motorbar Cordless Vacuum vs Dyson V11 Outsize

The V11 Outsize is the better buy for most people: more suction, a wider head, 60 minutes of runtime, and a 4.6 rating against 3.9. It is also cheaper right now, at $169.90 at eBay as of November 7, 2026, versus $239.99 at ShopSimon for the V9. Pick the V9 only if 4.6 lb matters more to you than power and runtime.

Today the Dyson V11 Outsize costs $70.09 less at its best price.

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