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Murphys Diesel
Murphys Diesel Rambler 20 oz Tumbler with Slider Lid

Murphys Diesel Rambler 20 oz Tumbler with Slider Lid

Best price now

$30.00at Murphys DieselObserved Nov 4, 2026, 5:17 PM

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Our take on the Murphys Diesel Rambler 20 oz Tumbler with Slider Lid

The Murphys Diesel Rambler is a 20 oz stainless travel tumbler with a sliding lid, sold by the brand itself. It is a straightforward insulated cup for coffee, water or iced drinks on the go, with the slider lid helping keep splashes in. At $30.00 at Murphys Diesel as of November 4, 2026, it is the only new price listed, so there is no cheaper store to compare against right now.

Best forCommuters who want a lidded cup for coffeeTruck and diesel fans who like branded gearEveryday desk or job-site hydration
Pros
  • 20 oz holds a standard large coffee
  • Slider lid helps limit spills and splashes
  • Single-piece tumbler is easy to carry and clean
  • Branded Murphys Diesel styling
Cons
  • Only one store lists it new, so no price competition
  • No published insulation rating or hours of heat retention
  • 20 oz is small for all-day water drinkers
  • Slider lids can trap residue and need regular washing

Murphys Diesel Rambler 20 oz Tumbler with Slider Lid prices at every store

  • Murphys DieselNew

    In stock

    $30.00Observed Nov 4, 2026, 5:17 PM
    Visit store

Murphys Diesel Rambler 20 oz Tumbler with Slider Lid price history

Lowest price we've seen: $30.00 on Nov 4 at Murphys Diesel. Tracked across 1 store since Nov 4.

Specifications

Type
Travel Tumbler
Capacity
20 fl oz
Size
20 oz

Questions and answers

Is the Murphys Diesel Rambler worth $30?
At $30.00 at Murphys Diesel as of November 4, 2026, it is priced like a mid-range branded tumbler. Comparable 20 oz stainless tumblers often sell for less, so you are partly paying for the Murphys Diesel branding.
How long does it keep drinks hot or cold?
Murphys Diesel does not publish a heat or cold retention rating for this tumbler. Treat it as a basic insulated cup rather than a high-performance flask.
Does the slider lid leak?
A slider lid reduces splashes and keeps debris out, but it is not a sealed, leak-proof lid. Carry it upright in a bag.
Is it dishwasher safe?
The listing does not state dishwasher instructions. Hand washing the lid is the safer choice to keep the slider working smoothly.
What size is it compared with a standard coffee?
20 fl oz is about the size of a large drip coffee or a venti iced drink. It fits most car cup holders.
When is the price likely to be lowest?
With only one new price listed, $30.00 at Murphys Diesel as of November 4, 2026, there is no competing store to undercut it. Watch for brand sales or bundle offers rather than store-to-store discounts.
Where is the Murphys Diesel Rambler 20 oz Tumbler with Slider Lid cheapest?
At Murphys Diesel, for $30.00, as of our latest check.