When the Black Dodge hits the Lincoln and red light pieces fly off, clearly the have broken a tailight, but when they spin out of control the red tailight is intact again.
The Ranger Ladies Jeep gets dinged and dented, but in subsequent shots it's pristine again.
During the first chase scene on the freeway, the Dodge is at different distances from the Lincoln between shots. A very noticeable time is when Sonia says "Jim, he's gonna hit us." The truck is only a few meters from the back of the car, then is cuts to the outside shot and the Dodge is 15-20 meters back, despite Jim actually being on the brakes.
In the beginning as Jim shows Sonia his ride. The blue Lincoln has one tailpipe and its right tail light is broken. As they get started on the highway the Lincoln suddenly has two tailpipes and the light is fixed.
When the trucks go over the cliff at the end, you can see there are smaller wheels under the black truck to help move it sideways.
The black dodge has a Chevy front end and the shot of the speedometer is from a Chevrolet as well. The truck shows the Dodge dual wheel bed and rear end and the front is consistently Chevrolet.
You can see the cameraman in the back seat as they are driving through town.
When rolling down hill, actors from pursuing black truck are visible standing at the edge of the forest while they're supposed to be in the truck. Also visible: the truck itself.