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Old 11-17-2014, 02:04 PM   #1
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time2play's Avatar
2013 30' Classic
Kent , Washington
Join Date: Mar 2013
Posts: 344
Diesel at Costco

I just thought I'd share this information. I was at the Covington Washington Costco yesterday and spoke with the Costco employee about diesel. According to her, Costco has already applied for the permit and will start selling diesel at Covington soon. She went on to say the Tukwila WA location is already selling diesel (she was wrong). Tukwila WA is not selling diesel, but according to a worker at Tukwila, diesel will be available in Tukwila in the spring (about April).

Since I was getting mixed messages, I decided to contact Costco directly. Here is the message I received from Costco:

We appreciate you taking the time to email Costco Wholesale and for your email about Costco gasoline. We typically do not sell diesel at our gas stations as it does not fit our high-volume business model. We are experimenting with diesel at a few sites in the U.S., as the number of light-duty diesel vehicles available in the U.S. is increasing. Listed below are the current test locations selling diesel.
#69 Billings, MT
#460 Rancho Del Rey (Chula Vista CA)
#466 Prescott, AZ
#491 Temecula, CA
#637 Gypsum, CO
#688 Bakersfield, CA
#747 Woodinville, WA
#1019 South Jordan, UT
#1178 Timnath, CO

Depending on the outcome of those test locations, we may expand our diesel offerings in the future.
Thanks again for your suggestion as we contemplate our product offering.

So if anyone is interested, there is the latest info on diesel at Costco!

Since we're contemplating getting a diesel tow vehicle, I was just doing a bit of research of the subject.

Yolanda (and Phil)
2013 30' Classic Limited
2015 GMC Sierra Denali 2500HD
ProPride 3P Trailer Sway Control Hitch
WBCCI #7878
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Old 11-17-2014, 02:14 PM   #2
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2016 30' Classic
Erie , Colorado
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And if you don't have the GasBuddy app I find it invaluable while on the road for getting the best diesel prices. If you are a GoodSam member you can get 3 cents off at Pilot/FlyingJ. In addition if you use your Costco Card for gas purchases then that will get you a Costco rebate of 3% of the fuel price. All adds up.

2015 Classic
2015 GMC Sierra 2500HD Duramax
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Old 11-17-2014, 02:22 PM   #3
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Kooskia , Idaho
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It is interesting that in the early days of Costco Gas, most of the stations also had Diesel, but then the suddenly eliminated Diesel at all of them. But I do recall when you could get Diesel at Clarkston WA, and Missoula MT, but not now or for many years.

So, apparently they are trying it out again.
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Old 11-17-2014, 02:24 PM   #4
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1991 34' Excella
Princeton , New Jersey
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If you purchase a Wal Mart gift card and then use it at a Murphy's to purchase fuel you get a discount off the posted price.

Twice a year, for 3 months each, we get 5% off on fuel purchased on our Discover and all year 3% from Bank of America. With Discover at that rate paying with a credit card is better than cash at those stations that charge extra for credit cards
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

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Old 11-18-2014, 01:53 PM   #5
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not sure if this is a California issue only with our special air quality rules

Currently gas has nosedived to just under $3.00 a gal. While diesel hasn't budged. It's at $3.80 a $3.90 a gal

At those prices probably take like 75k miles to get ahead on diesel's greater efficiency - not even factoring their other higher maintenance costs of a diesel vehicle
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Old 11-18-2014, 02:07 PM   #6
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, Kentucky
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Posts: 24
Great Info here! I will add this to my newby journal.
Hope to be an Airstream owner Sooner than Later.
Tow Vehicle-2013 F-250 6.7L Powerstroke Turbo Diesel 400HP/800LB-FT TQ
"One Day Closer To My Dream!" :-)
Retired U.S. Navy
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Old 11-18-2014, 03:41 PM   #7
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Richmond Hill , Georgia
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Posts: 120
I'd be curious as to the bio content Costco sells in their diesel....B20 is a definite no-go for me. Anyone know based on your travels?

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