Our Verdict
Contigo AUTOSEAL West Loop Wins
It offers superior insulation, keeping drinks hot for 13 hours and cold for 28 hours, compared to Byron's 7/18 hours. Choose Byron if guaranteed car cupholder compatibility is a higher priority.
Spec Comparison
13 specs compared
| Specification |  |  |
|---|---|---|
| Price | $23 | $33 |
| Rating | 4.6(98.3k) | 4.6(41.4k) |
| Insulation Rating Cold Hours | 28 hrs | 18 hrs |
| Insulation Rating Hot Hours | 13 hrs | 7 hrs |
| Dishwasher Safe | No | No |
| Base Diameter Inches | — | 2.8" |
| Bpa Free | Yes | Yes |
| Leak Proof | Yes | Yes |
| Capacity oz | 20 | 20 |
| Model Number | 2201663 | 2169262 |
| Insulation Type | Double-Wall Vacuum | Double-Wall Vacuum |
| Height Inches | — | 8.5" |
| Lid Mechanism | — | Chug |
| Interior Coating | — | Electropolished |
| Mouth Diameter Inches | — | 2.2" |
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Pros & Cons
Quick overview of strengths and weaknesses
Contigo AUTOSEAL West
- 100% leak- and spill-proof AUTOSEAL lid.
- Keeps drinks hot for 13 hours.
- Maintains cold drinks for 28 hours.
- Lid is top-rack dishwasher safe.
- Mug body requires hand washing.
- May not fit all car cupholders.
Contigo Byron Vacuum-Insulated
- Leak-proof lid prevents spills.
- Keeps drinks hot for 7 hours, cold for 18 hours.
- Allows one-handed drinking.
- Fits car cup holders and most brewers.
- Not dishwasher safe; requires hand washing.
- Narrow mouth opening may complicate cleaning.
Frequently Asked Questions
Common questions about this comparison
Which travel mug keeps drinks hot longer?
The Contigo AUTOSEAL West Loop is superior for hot drinks, maintaining temperature for 13 hours. The Contigo Byron keeps drinks hot for 7 hours, making the West Loop ideal for extended warmth.
What is the main difference in cold insulation?
The West Loop provides exceptional cold insulation for 28 hours. The Byron, while good, keeps drinks cold for 18 hours. For maximum cold retention, the West Loop is the better choice.
Which mug is easier to clean?
Both require hand washing for the mug body. However, the West Loop's lid is top-rack dishwasher safe, offering a slight advantage. The Byron's narrow mouth may also complicate hand washing.
Which mug is more likely to fit my car's cup holder?
The Contigo Byron (2.8-inch base diameter) is designed to fit most car cup holders. The West Loop 'may not fit all car cupholders,' so the Byron is generally a safer bet for vehicle use.
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