Union City Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $5.69 | $6.03 | $6.13 | $6.42 | - |
| Month Ago Avg. | $5.69 | $6.03 | $6.13 | $6.42 | - |
Highest Recorded Average Gas Price In Union City Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $6.42 | 06/15/26 |
| Regular | $5.69 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Union City
ABE in Union City (33090 Mission Blvd)
33090 Mission Blvd, Union City, California,
$4.29
Jul 19, 2026
0¢ Cashback
National in Union City (33365 Mission Blvd)
33365 Mission Blvd, Union City, California,
$5.69
Jul 19, 2026
0¢ Cashback
National in Union City (31890 Alvarado Blvd)
31890 Alvarado Blvd, Union City, California,
$5.79
Jul 19, 2026
0¢ Cashback
Shell in Union City (2001 Decoto Rd)
2001 Decoto Rd, Union City, California,
$5.79
Jul 19, 2026
3¢ Cashback
7-ELEVEN in Union City (1998 Whipple Rd)
1998 Whipple Road, Union City, California,
$5.85
Jul 19, 2026
0¢ Cashback
Chevron in Union City (1990 Decoto Rd)
1990 Decoto Rd, Union City, California,
$5.89
Jul 19, 2026
0¢ Cashback
Chevron in Union City (31889 Alvarado Blvd)
31889 Alvarado Blvd, Union City, California,
$5.98
Jul 19, 2026
0¢ Cashback
76 in Union City (31901 Alvarado Blvd)
31901 Alvarado Blvd, Union City, California,
$5.99
Jul 19, 2026
0¢ Cashback
Shell in Union City (32187 Alvarado-Niles Rd)
32187 Alvarado-Niles Rd, Union City, California,
$6.19
Jul 19, 2026
3¢ Cashback
Shell in Union City (31301 Alvarado-Niles Rd)
31301 Alvarado-Niles Rd, Union City, California,
$6.19
Jul 19, 2026
3¢ Cashback
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.