7500

Got a reconditioned 7500 about 15–20 years ago and it's still going.

Had a 7500 and found it a pain to blend smaller amounts in its low-profile container; recommends the 5200 for 16 oz or less.

Their 7500 is approaching ten years; Vitamix replaced the container free around year five or six when its bottom failed.

Returned a 7500 because it vibrated, and the replacement does the same depending on how the blade is oriented.

Their 10-year-old 7500 no longer reaches full power and stops getting stronger around speed 6, even with only water; they had smelled something electrical under load months earlier and hoped it would last longer than 10 years.

After about seven years their Vitamix 7500 started smoking with toxic fumes while blending greens with coconut water; Vitamix called it normal use, and it will be their last Vitamix.