Customer reviews from blendtec.com
Blendtec - FourSide Jar - White
Average customer rating
4.3 out of 5
4.3
(193 Reviews)
Open Ratings Snapshot
Rating breakdown 193 reviews
5 Stars
119
4 Stars
41
3 Stars
17
2 Stars
5
1 Star
11
78%of customers recommend this product. 
(
39 out of 50
)
Best Buy Privacy Policy
Customer Reviews for Blendtec - FourSide Jar - White
Customer Rating
5 out of 5
5
Four side jar
on January 8, 2024
Posted by: Maggie M
Gender:Female
Verified Purchase:Yes
Love how the enclosed four sided base helps to lessen how loud it blends.
Written by a customer while visiting blendtec.com
Customer Rating
5 out of 5
5
Excellent product.
on May 3, 2025
Posted by: SmoothieGuy79
from Baltimore, MD
Gender:Male
Verified Purchase:Yes
These jars are great! My old one lasted over 5 years with heavy use. The jar never chipped or cracked though, worn out bearing instead. These jars hold up surprisingly well and don't take on stains or odors. The new jar is performing great so far. Very happy with Blendtec products!
I would recommend this to a friend!
Written by a customer while visiting blendtec.com
Customer Rating
3 out of 5
3
Works great, but not for long
on May 4, 2015
Posted by: Phil180
from Boston, MA
Gender:Male
Verified Purchase:Yes
I've been using these for over 10 years and blend about 4 times a week on average. The contents range from yogurt and fruit smoothies to heavier items like meat and vegetables. We only fill the jars to about 24 - 30 ounces and get absolutely perfect results every time with only a single blending cycle (50 seconds). However, they only last about 1-1/2 years before the seal fails and the blade doesn't turn easily. Always slightly past the 1 year warranty, of course! But as long as the blender keeps working I guess we'll keep buying the jars.
Response from blendtec.comBy kfarleyDigital MarketingMay 5, 2015
Great news! Our jars now have a 3-year warranty!

Here's some more tips to keep your jar running smoothly:

1. Spin the blade manually by the shaft on the bottom of the jar before each use to lubricate the blade shaft.
2. Don't use your jar as a storage container or let liquids sit in the jar overnight.
3. Wash your jar or use the Clean cycle immediately after each use.
Written by a customer while visiting blendtec.com
Customer Rating
4 out of 5
4
Excellent Blender, Poor Bottom Gasket
on October 29, 2015
Posted by: Lockdown
from Toronto, ON, Canada
Gender:Male
I love this blender, but am put off by the poor life of the container given that after about 300 cycles the blade does not spin freely. I clean and maintain it regularly, so I feel cheated. I clean it even better than the manual suggests so this shouldn't be happening. I am the only user, so there is no way somebody could be tampering with it or abusing it without my knowledge. It would be great if this blender had a kit to change the gasket at the bottom. THIS WOULD SET THIS PROBLEM TO REST AND LOCK IT IN AS A '10'. I don't think the competition does this. Nudge! Nudge!
Response from blendtec.comBy MarketingOctober 30, 2015
We're sorry you're experiencing issues with the gasket. If you're still under warranty, we can get it replaced for you! Give our customer service team a call at 1-800-748-5400.
Written by a customer while visiting blendtec.com
Customer Rating
3 out of 5
3
Expensive for a jar
on May 18, 2017
Posted by: Frances17
from Idaho
Gender:Female
Verified Purchase:Yes
The rubber gasket at the bottom of the original jar began to disintegrate. I was disappointed, as I followed care directions and made sure to always keep that part of the jar dry. But all things wear out, so we decided to replace it. I am happy with the new jar so far, but I have to say the price shocked me. We almost didn't purchase it, but really like our Blendtec so wanted to keep using it. I can't say, however, that I'll purchase another jar if/when this one wears out. The new jar is nice, but I am giving three stars due to price and the fact that the old one wore out sooner than I thought it should.
Written by a customer while visiting blendtec.com
Customer Rating
5 out of 5
5
Jar
on December 31, 2022
Posted by: Blender Mom
from Dallas, Tx
Verified Purchase:Yes
Excellent jar but I should not have had to replace it. You need to make a better gasket at the bottom to start with.
No, I would not recommend this to a friend.
Written by a customer while visiting blendtec.com
Customer Rating
5 out of 5
5
Love the Four Side Jar!
on July 30, 2014
Posted by: CarrieCBB
from Denver, CO
Gender:Female
Verified Purchase:Yes
I bought my Blendtec with the Wildside Jar on sale at Costco last year and, while I have loved the operation of the blender, sturdiness and ease of cleaning, the bigger jar wasn't designated for some of the recipes and smaller amounts I wanted to use. Since getting the Four Side jar, I find I use it all the time with all the recipes I want!
Written by a customer while visiting blendtec.com
Customer Rating
5 out of 5
5
Great upgrade of original container
on March 18, 2019
Posted by: Steve60
from DC
Gender:Male
Verified Purchase:Yes
I've used Blendtec blenders for the past 10 years or so, and while I always liked the fourside jar, I was unhappy with both the container material and the bearings of the blade. This new container fixes both problems. The material is a clear and doesn't seem as vulnerable to etching as the original containers. The blade assembly and bearings are amazing -- quiet, sturdy, and apparently so well designed the jar comes with a 3-year warranty, or longer if you're buying it as part of a blender purchase. This is the last thing that might have kept me from recommending the Blendtec blender to everyone. I'm completely satisfied with the way it works and looks.
Written by a customer while visiting blendtec.com
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