Between the 1978 and 2005 seasons, the San Francisco 49ers had the lowest passer rating by a team in a season, with a 33.0 rating in 1978.
| TEAM | RTG | SEASON | GP | CMP | ATT | PCT | YDS | AVG | YDS/G | TD | INT | TD% | INT% | SCK | SCKY | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | 49ers | 33.0 | 1978 | 16 | 190 | 435 | 43.7 | 2,306 | 5.3 | 144.1 | 9 | 36 | 2.1 | 8.3 | 42 | 350 |
| 2 |  | Chargers | 44.9 | 1998 | 16 | 261 | 566 | 46.1 | 3,115 | 5.5 | 194.7 | 11 | 34 | 1.9 | 6.0 | 37 | 251 |
| 3 |  | Bears | 45.9 | 1978 | 16 | 186 | 352 | 52.8 | 2,221 | 6.3 | 138.8 | 7 | 28 | 2.0 | 8.0 | 34 | 288 |
| 4 |  | Seahawks | 48.9 | 1992 | 16 | 230 | 476 | 48.3 | 2,323 | 4.9 | 145.2 | 9 | 23 | 1.9 | 4.8 | 67 | 545 |
| 5 |  | Giants | 48.9 | 1978 | 16 | 176 | 382 | 46.1 | 2,428 | 6.4 | 151.8 | 13 | 27 | 3.4 | 7.1 | 38 | 283 |
| 6 |  | Saints | 49.4 | 1997 | 16 | 228 | 458 | 49.8 | 2,901 | 6.3 | 181.3 | 13 | 33 | 2.8 | 7.2 | 50 | 317 |
| 7 |  | Patriots | 50.0 | 1988 | 16 | 199 | 389 | 51.2 | 2,333 | 6.0 | 145.8 | 12 | 28 | 3.1 | 7.2 | 23 | 160 |
| 8 |  | Steelers | 50.3 | 1987 | 15 | 198 | 429 | 46.2 | 2,464 | 5.7 | 164.3 | 13 | 25 | 3.0 | 5.8 | 27 | 198 |
| 9 |  | Rams | 51.9 | 1981 | 16 | 235 | 477 | 49.3 | 3,008 | 6.3 | 188.0 | 15 | 32 | 3.1 | 6.7 | 50 | 451 |
| 10 |  | Bengals | 52.0 | 2000 | 16 | 207 | 454 | 45.6 | 2,219 | 4.9 | 138.7 | 6 | 14 | 1.3 | 3.1 | 52 | 273 |
| 11 |  | Bills | 52.1 | 1985 | 16 | 263 | 517 | 50.9 | 3,331 | 6.4 | 208.2 | 9 | 31 | 1.7 | 6.0 | 42 | 347 |
| 12 |  | Cardinals | 52.2 | 1999 | 16 | 287 | 558 | 51.4 | 3,085 | 5.5 | 192.8 | 11 | 30 | 2.0 | 5.4 | 45 | 282 |
| 13 |  | Buccaneers | 52.3 | 1978 | 16 | 151 | 361 | 41.8 | 2,171 | 6.0 | 135.7 | 12 | 18 | 3.3 | 5.0 | 52 | 468 |
| 14 | | Buccaneers | 52.8 | 1979 | 16 | 183 | 434 | 42.2 | 2,700 | 6.2 | 168.8 | 19 | 26 | 4.4 | 6.0 | 12 | 88 |
| 15 | | Bears | 53.1 | 1981 | 16 | 222 | 489 | 45.4 | 2,728 | 5.6 | 170.5 | 14 | 23 | 2.9 | 4.7 | 35 | 266 |
| 16 |  | Lions | 53.3 | 1979 | 16 | 218 | 452 | 48.2 | 2,775 | 6.1 | 173.4 | 14 | 27 | 3.1 | 6.0 | 51 | 439 |
| 17 | | Buccaneers | 53.4 | 1991 | 16 | 250 | 495 | 50.5 | 2,955 | 6.0 | 184.7 | 13 | 29 | 2.6 | 5.9 | 56 | 383 |
| 18 | | 49ers | 53.6 | 2005 | 16 | 204 | 389 | 52.4 | 2,190 | 5.6 | 136.9 | 8 | 21 | 2.1 | 5.4 | 48 | 292 |
| 19 |  | Falcons | 53.7 | 1987 | 15 | 247 | 501 | 49.3 | 3,108 | 6.2 | 207.2 | 17 | 32 | 3.4 | 6.4 | 46 | 340 |
| 20 | | Buccaneers | 53.7 | 1988 | 16 | 253 | 512 | 49.4 | 3,608 | 7.0 | 225.5 | 16 | 36 | 3.1 | 7.0 | 34 | 300 |
| 21 | | Saints | 53.8 | 1981 | 16 | 238 | 441 | 54.0 | 2,778 | 6.3 | 173.6 | 8 | 27 | 1.8 | 6.1 | 41 | 359 |
| 22 |  | Chiefs | 54.2 | 1979 | 16 | 190 | 361 | 52.6 | 1,953 | 5.4 | 122.1 | 7 | 18 | 1.9 | 5.0 | 42 | 293 |
| 23 | | Lions | 55.1 | 1988 | 16 | 213 | 477 | 44.7 | 2,572 | 5.4 | 160.8 | 13 | 18 | 2.7 | 3.8 | 52 | 410 |
| 24 | | Lions | 55.2 | 1982 | 9 | 136 | 285 | 47.7 | 1,754 | 6.2 | 194.9 | 12 | 18 | 4.2 | 6.3 | 30 | 242 |
| 25 | | Giants | 55.7 | 1983 | 16 | 284 | 575 | 49.4 | 3,854 | 6.7 | 240.9 | 12 | 31 | 2.1 | 5.4 | 49 | 363 |
StatMuse has team, season-level data for passer rating going back to the 1932 season.
More 49ers Stats
Team Rankings
PPG
22.9
13th
OPP PPG
25.6
29th
RUSH YDS/G
127.2
12th
PASS YDS/G
260.2
4th
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| NFC East | W | L | T | PCT |
|---|---|---|---|---|
 Eagles | 14 | 3 | 0 | .824 |
 Commanders | 12 | 5 | 0 | .706 |
| NFC North | W | L | T | PCT |
 Lions | 15 | 2 | 0 | .882 |
 Vikings | 14 | 3 | 0 | .824 |
| NFC South | W | L | T | PCT |
 Buccaneers | 10 | 7 | 0 | .588 |
 Falcons | 8 | 9 | 0 | .471 |
| NFC West | W | L | T | PCT |
 Rams | 10 | 7 | 0 | .588 |
 Seahawks | 10 | 7 | 0 | .588 |
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