| Oldsmobile 1 of 2 (Achieva - Cutlass') | 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) |
| Achieva 2 Door | 92/96 | Q28 - 31 1/8" | 6" | Q28 - 30 1/2" | 20" |
| Achieva 2 Door w/ Q Strech Kit | 92/96 | Q28 - 31 1/8" | 6" | Q28 - 32 1/4" | 32" |
| Achieva 4 Door | 92/96 | Q28 - 31 3/8" | 6" | Q28 - 31" | 32" |
| Custom Cruiser Wagon | 79/90 | Q31 - 45 3/8" | 3" | Q31 - 46 1/4" | 24" |
| Cutlass Calais 2 Door Coupe | 85/91 | Q10 - 40 1/2" | 6" | Q10 - 40" | 20" |
| Cutlass Calais 2 Door Coupe w/ Q Strech Kit | 85/91 | Q10 - 40 1/2" | 6" | Q5 - 38 7/8" | 36" |
| Cutlass Calais 4 Door (FWD) | 85/91 | Q10 - 40 1/4" | 5" | Q5 - 39 1/2" | 34" |
| Cutlass Ciera 2 Door | 82/93 | Q31 - 39 3/8" | 6" | Q31 - 38 7/8" | 36" |
| Cutlass Ciera 2 Door Max Crossbar Spread | 82/93 | Q31 - 39 3/8" | 6" | Q31 - 39 1/8" | 43" |
| Cutlass Ciera 4 Door | 82/95 | Q30 - 41" | 5" | Q30 - 40 3/8" | 36" |
| Cutlass Ciera/ Cruiser Wagon | 82/96 | Q30 - 40 3/4" | 4" | Q31 - 39" | 36" |
| Cutlass Ciera/ Cruiser Wagon Max Crossbar Spread | 82/96 | Q30 - 40 3/4" | 4" | Q31 - 39" | 71" |
| Cutlass Supreme 2 Door | 79/87 | Q31 - 43 5/8" | 4" | Q31 - 43 7/8" | 24" |
| Cutlass Supreme 2 Door w/ Q Strech Kit | 79/87 | Q31 - 43 5/8" | 4" | Q31 - 43 7/8" | 36" |
| Cutlass Supreme 4 Door | 79/88 | Q31 - 40 3/4" | 4" | Q31 - 41 3/8" | 36" |
| Cutlass Supreme 4 Door Max Crossbar Spread | 79/88 | Q31 - 40 3/4" | 4" | Q31 - 41 3/4" | 43" |
