Which keeps drinks cold longer?

The Contigo, by its own spec of up to 18 hours cold retention. Thermos does not publish a cold retention figure for the Stainless King, so there is no direct number to compare.

Which is better for driving?

The Contigo. Its AutoSeal lid opens and seals with a button push, so you can sip one-handed. The Thermos has a screw-top lid that takes two hands.

Is the Thermos worth saving about $1?

Only if you want the simplest lid and the lowest price. The gap is small, and the Contigo adds a sealing lid and published retention times.

The Thermos, at 16 oz versus 15.89 fl oz for the Contigo. The difference is about a tenth of an ounce, so it is negligible in practice.

Can either go in the dishwasher?

Thermos states the Stainless King is not dishwasher safe. Contigo does not list dishwasher safety for the West Loop 2.0, so hand wash both to be safe.

Which is easier to find in stock?

The Thermos. It is priced new at 4 stores versus 2 for the Contigo, both as of November 6, 2026.

Contigo West Loop 2.0 AutoSeal Travel Mug vs Thermos Stainless King Vacuum Insulated Travel Mug 16 oz

Buy the Contigo West Loop 2.0 if you want a one-hand auto-seal lid and the longest cold retention. Buy the Thermos Stainless King if you want the lowest price and a simple screw-top mug. At the latest prices they are close: $29.00 for the Contigo at Amazon and $27.99 for the Thermos at Amazon, both as of November 6, 2026.

Today the Thermos Stainless King Vacuum Insulated Travel Mug 16 oz costs $1.01 less at its best price.

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