Fuel Grade Comparison
National average prices for all fuel types, updated weekly.
Regular Unleaded
87 OctaneRegular unleaded gasoline (87 octane) is the most common fuel type used by the majority of passenger vehicles. It is the least expensive grade available at most gas stations.
Midgrade
89 OctaneMidgrade gasoline (89 octane) sits between regular and premium. Some older vehicles or those with slightly higher compression ratios may benefit from this grade.
Premium
93 OctanePremium gasoline (91-93 octane) is required or recommended for high-performance and luxury vehicles with turbocharged or high-compression engines.
Diesel
Diesel fuel powers compression-ignition engines found in trucks, SUVs, and commercial vehicles. Diesel engines are typically more fuel-efficient than gasoline engines.
E85 Ethanol
100 OctaneE85 is a blend of 85% ethanol and 15% gasoline. It has a higher octane rating than regular gasoline and burns cleaner, but offers lower fuel economy.
Fuel Grade Comparison
| State | Regular | Midgrade | Premium | Diesel |
|---|---|---|---|---|
| MSMississippi | $2.610 | $2.920 | $3.180 | $2.860 |
| OKOklahoma | $2.640 | $2.950 | $3.210 | $2.880 |
| ARArkansas | $2.660 | $2.960 | $3.220 | $2.890 |
| LALouisiana | $2.680 | $2.990 | $3.250 | $2.940 |
| SCSouth Carolina | $2.680 | $2.990 | $3.250 | $2.940 |
| ALAlabama | $2.700 | $3.000 | $3.260 | $2.950 |
| TXTexas | $2.700 | $3.010 | $3.270 | $2.950 |
| GAGeorgia | $2.720 | $3.030 | $3.290 | $2.970 |
| TNTennessee | $2.720 | $3.030 | $3.290 | $2.970 |
| KYKentucky | $2.740 | $3.050 | $3.340 | $2.980 |
| KSKansas | $2.770 | $3.080 | $3.370 | $3.010 |
| MOMissouri | $2.800 | $3.100 | $3.390 | $3.040 |
| NCNorth Carolina | $2.820 | $3.130 | $3.420 | $3.070 |
| NENebraska | $2.870 | $3.180 | $3.470 | $3.080 |
| SDSouth Dakota | $2.880 | $3.190 | $3.480 | $3.090 |