Which is better for pet stains on a couch?

Both work. The Mini is lighter to hold over upholstery, and its built-in scrub brush helps work formula into the stain. The 3353D has the same suction approach in a heavier body.

Which is easier to carry to a car?

The Mini. Bissell calls it the lightest Little Green at about 7 lb, against 9.6 lb for the 3353D. Neither has wheels, so weight matters.

Do they hold the same amount of water?

Yes on the clean side: both list a 48 oz clean water tank. The Mini also lists a 48 oz dirty tank; the 3353D specs given do not state one.

Is the Mini worth the price?

At $58.99 at eBay as of November 3, 2026, it is below its recent high of $129.99 and its October 31 low of $74.62. That is a good entry price for a spot cleaner.

Neither listing gives a written warranty, so there is no documented edge. Bissell rates both for residential use, and corded motors like these typically outlast the tanks and brushes with regular cleaning.

Can I use the same formula in both?

Yes. Both take Bissell Little Green liquid formula; the Mini ships with an 8 oz trial bottle of Oxy formula, and Bissell recommends Triple Action for the 3353D.

BISSELL Little Green Mini Portable Carpet Cleaner vs BISSELL Little Green Multi-Purpose Portable Carpet Cleaner, 3353D

Both are Bissell Little Green portable spot cleaners, so the real choice is size and price. The Mini (1400M) is the lighter, smaller unit at $58.99 at eBay as of November 3, 2026, while the 3353D is the standard Little Green in a limited Coastal Clean color. Buy the Mini for tight storage and car use; buy the 3353D if you want the larger clean tank and the classic body.

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