| P/N | Make | Model | 30um Filtering (wt 5) | Overall Build Quality (wt 5) | Media Surface Area (wt 1) | Media Volume (wt 1) | Price Paid (USD) (wt1.5) | Final Grade |
| PF1218 | ACDelco | n/a | F | F | B | A- | B- | 0.80 |
| EaO24 | Amsoil | n/a | A | A- | D+ | D | F | 3.02 |
| B1428 | Baldwin | n/a | D | B- | B- | A- | D+ | 1.99 |
| 3510 | Bosch | n/a | C | B- | A- | B- | C | 2.44 |
| B4361 | Carquest | n/a | D | C+ | C+ | C | A | 1.99 |
| LF3679 | Fleetguard | n/a | C | D+ | D+ | D+ | B | 1.75 |
| DL5 | Fram | Defense | C | C- | C- | C- | A | 2.07 |
| DG5 | Fram | Double Guard | C+ | C- | C- | C- | D | 1.84 |
| HM5 | Fram | High Mileage | B- | D | D | C- | C | 1.53 |
| PH5 | Fram | Extraguard | D+ | D | C- | C+ | B | 2.00 |
| TG5 | Fram | Toughguard | C- | C | C+ | B- | C- | 1.93 |
| HP4 | Fram | Racing | C- | C+ | A | B- | D | 2.09 |
| XG5 | Fram | Xtended Guard | A- | A | C | A | C- | 3.49 |
| OPH1218 | Full | n/a | D | C+ | A | C | C | 1.89 |
| HP-3002 | K&N | n/a | B | A- | B+ | A | F | 3.02 |
| PH1218 | Luberfiner | n/a | C- | C+ | C | C | B- | 2.08 |
| ML1011 | Mann | n/a | B- | C- | A | B | C | 2.37 |
| MGL9100 | Microgard | n/a | B- | D | D | D+ | B- | 1.84 |
| M1-302 | Mobil 1 | n/a | B | A | A- | A | D | 3.27 |
| FL12A | Motorcraft | n/a | D+ | C- | B | C+ | D+ | 1.65 |
| 21060 | Napa | Proselect | C+ | B+ | B- | C | A | 2.87 |
| 1060 | Napa | Gold | C+ | A- | B- | C+ | C | 2.81 |
| PG4631 | Premium guard | n/a | D+ | B+ | C | D | A- | 2.34 |
| PPL34631 | Proline | n/a | D | C- | F | D | A- | 1.49 |
| PO4011 | Pronto | n/a | C+ | C | N/A | N/A | A | 2.04 |
| L34631 | Purolator | Classic | B | B- | C+ | D+ | B+ | 2.74 |
| PL34631 | Purolator | Pure-one | C- | B+ | A- | B+ | C+ | 2.63 |
| 30-1218 | Royal Purple | n/a | A | A | C- | F | F | 3.09 |
| S17 | Shell | n/a | F | F | F | F | A | 0.44 |
| S5 | STP | n/a | F | F | B | B | B+ | 0.81 |
| 51060 | Wix | n/a | C | A- | B+ | B+ | C | 2.82 |
| Grades based off general A, A-, B+, B, B-, C+, C, C-, D+, D, F scale | ||||||||
| A being the highest grade and F being the lowest. | ||||||||
| Better filteration earns a higher grade, better construction earns a higher grade | ||||||||
| lower prices earn a higher grade, higher surface area and volume earns a higher grade. | ||||||||
| Final grade is calculated the same as a GPA based on the 4 point system | ||||||||
| The higher the final grade, generally means a better overall filter. | ||||||||
| Catagories are weighted by importance, calculated weights are listed in column heading | ||||||||
| Filteration and build quality are somewhat objective so you can make your own judgments | ||||||||