| Saturn | Model Year | Closest distance between forward towers - (M1) | Distance from uppermost windshield to forwardmost tower foot - (M2) | Closest distance between rear towers - (M3) | Crossbar spread distance center to center - (M4) |
| SC Coupe | 91/96 | Q13 - 37 3/4" | 3" | Q13 - 37 1/4" | 18" |
| SC Coupe w/ Q Strech Kit | 91/96 | Q13 - 37 3/4" | 3" | Q13 - 37 1/4" | 28" |
| SL Sedan | 96 | Q67 - 35 3/8" | 5" | Q68 - 33 7/8" | 27" |
| SL Sedan | 91/95 | Q13 - 37 7/8" | 3" | Q13 - 37 7/8" | 33" |
| SW Wagon | 93/95 | Q13 - 38 3/8" | 4" | Q13 - 38 1/4" | 33" |
