GasBuddy
GasBuddy
Log InSign UpFind Gas
Please note GasBuddy is down for maintenance 6/10/2025 1AM to 3AM CST.
 Home Gas Price Search Colorado Denver Circle K (300 S Downing St)

Circle K in Denver (300 S Downing St)

Diamond Shamrock

Circle K 

Empty StarEmpty StarEmpty StarEmpty StarEmpty Star
 (0)
300 S Downing St
Denver, CO 
1 (303) 698-1834
Open Now: 11:00AM-05:00AM

Station Prices

Reported Gas Price

The prices in this row are the prices that members of the GasBuddy community provide.

Prices can also come from store owners and retailer data feeds.

These prices are invaluable to helping one another save the most on fuel!

Regular
Midgrade
Premium
$3.14
Member Icon visitor

21 hours ago

- - -
$3.94
Member Icon visitor

21 hours ago

Log In To Report Prices

Station Ratings

---
Overall Rating

Features & Amenities

C-Store
Pay At Pump
Restrooms
Payphone

Reviews

stgbotmem46's avatar image
stgbotmem46
Mar 17 2023
Great Review Icon

I like going to this one. Its not too bad.

stgbotmem474's avatar image
stgbotmem474
Feb 05 2023
Great Review Icon

Still the one!

stgbotmem478's avatar image
stgbotmem478
Nov 29 2022
Okay Review Icon

Small inner city convenience store and gas station.

stgbotme1223's avatar image
stgbotme1223
Nov 28 2022
Great Review Icon

Still good!

stgbotmem395's avatar image
stgbotmem395
Jun 17 2020
Great Review Icon

Fantastic station *, 2019

stgbotmem417's avatar image
stgbotmem417
Jan 12 2018
Bad Review Icon

ok

stgbotmem428's avatar image
stgbotmem428
Dec 21 2017
Okay Review Icon

pricey but convenient to me

lehall's avatar image
lehall
Apr 01 2017
Okay Review Icon

I use this station going north on alameda.

unleadedgas15's avatar image
unleadedgas15
Jan 10 2017
Bad Review Icon

overpriced

These reviews are the subjective opinion of a GasBuddy member and not of GasBuddy LLC

Stations Near This Location

Sinclair

Sinclair 
0.04mi

Full StarFull StarFull StarFull StarHalf-filled Star
 86
1121 E Alameda Ave
Denver, CO
$3.19
Price Reporter Icon visitor21 hours ago

Amenities

Propane
C-Store
Pay At Pump
Restrooms
Air Pump
ATM
Loyalty Discount
Lotto
Beer

Reviews

stgbotmem478's avatar image
stgbotmem478
Sep 10 2023
Okay Review Icon

1 st time going into a station since the start of the pandemic. Only thing I did was pay the cashier. An ok experience.


View Full Station Details
 Details
7-Eleven

7-Eleven 
0.89mi

Full StarFull StarFull StarHalf-filled StarEmpty Star
 15
85 W Alameda Ave
Denver, CO
- - -

Amenities

C-Store
Pay At Pump
Restrooms
Payphone
ATM

Reviews

stgbotmem474's avatar image
stgbotmem474
May 10 2023
Great Review Icon

Best going south only


View Full Station Details
 Details
Conoco

Conoco 
0.89mi

Full StarFull StarHalf-filled StarEmpty StarEmpty Star
 8
505 E Speer Blvd
Denver, CO
- - -

Amenities

Pay At Pump
Restrooms
Payphone
Loyalty Discount

Reviews

stgbotmem428's avatar image
stgbotmem428
Aug 28 2023
Bad Review Icon

FAKE PRICES!!!! This place is 60 cents higher than what’s advertised!


View Full Station Details
 Details
7-Eleven

7-Eleven 
1.06mi

Full StarFull StarFull StarHalf-filled StarEmpty Star
 11
303 Broadway
Denver, CO
- - -

Amenities

C-Store
Pay At Pump
Restrooms
Air Pump
ATM

Reviews

stgbotmem474's avatar image
stgbotmem474
May 10 2023
Great Review Icon

I would tank during day only


View Full Station Details
 Details
Kum & Go

Kum & Go 
1.20mi

Empty StarEmpty StarEmpty StarEmpty StarEmpty Star
 0
450 S Santa Fe Dr
Denver, CO
- - -

Amenities

C-Store
Pay At Pump
Restaurant
Restrooms
Air Pump
ATM
Lotto
Beer
Wine

Reviews

stgbotmem478's avatar image
stgbotmem478
Feb 06 2023
Great Review Icon

Funky location but usually best orice


View Full Station Details
 Details

Top Spotters