It's possible that the Curt # 56098 for the 2011 Buick LaCrosse would work on your Saab 9-5, but Curt hasn't tested it.
In photos, it appears that the taillight assemblies on both vehicles are pretty similar. I'd recommend accessing the connection points where the taillight assemblies plug into the vehcile's taillight harness as shown in the linked video. Compare the connectors for the # 56098 (see photo) to those on your vehicle. If they're identical, the Curt # 56098 would likely work... view full answer...
For a ball mount for Draw-Tite trailer hitch # 36374 for your 2007 Buick LaCrosse you would need # 36061.
For a 1-7/8 inch ball use # 19257 and for a 2 inch ball use # 19258. view full answer...
It looks like the 2007 Buick LaCrosse uses the Yakima BaseLine Towers.
For every Yakima crossbar set that is compatible with this LaCrosse, the towers are part # Y28TR, and the fit kit is the BaseClip Fit Kit, part # Y06170.
These are the only parts you need for the JetStream Crossbars and the CoreBar Crossbars. If you have the Round Crossbars, you will also need the RoundBar SL Adapter, part # Y03536. If you have the HD Crossbars, you will also need the HD Bar SL Adapter, part # Y03541.
If... view full answer...