2018 San Diego State Aztecs Opponent First Down Split Stats through 01/07/2019
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 13 | 77 | 120 | 19 | 216 |
| at Home | 7 | 38 | 72 | 8 | 118 |
| on Road/Neutral Site | 6 | 39 | 48 | 11 | 98 |
| in Wins | 7 | 39 | 57 | 8 | 104 |
| in Losses | 6 | 38 | 63 | 11 | 112 |
| vs. Conference | 8 | 51 | 70 | 10 | 131 |
| vs. Non-Conference | 5 | 26 | 50 | 9 | 85 |
| vs. Ranked (AP) | 2 | 16 | 14 | 3 | 33 |
| vs. Unranked (AP) | 11 | 61 | 106 | 16 | 183 |
| vs. FBS (I-A) | 12 | 73 | 114 | 19 | 206 |
| vs. FCS (I-AA) | 1 | 4 | 6 | 0 | 10 |
| vs. FBS Winning | 8 | 45 | 85 | 14 | 144 |
| vs. FBS Non-Winning | 4 | 28 | 29 | 5 | 62 |
| vs. FBS Power 5 | 2 | 6 | 27 | 7 | 40 |
| vs. FBS non-Power 5 | 10 | 67 | 87 | 12 | 166 |
| in August/September | 4 | 16 | 40 | 8 | 64 |
| in October | 4 | 22 | 35 | 5 | 62 |
| in November | 4 | 29 | 35 | 5 | 69 |
| in December/January | 1 | 10 | 10 | 1 | 21 |