Exactly! So really the only significant part of the damage is the dent in the front panel on the left side near the lights - which is what took the initial impact. IMO this damage is not like the damage to the red car someone posted - the position in some ways yes, but the difference is the indentation on the white car. When you hit a nonfixed object it is a different type of damaged to something fixed, there are more likely to be cracks as the main damage, whereas with a hard, fixed object there is more likely to be an indentation. The Prado has a deep indentation, it looks to me it could be consistent with hitting the edge of the guard rail near the small open area (on the rhs outbound) near the Kholo bridge. It is on the correct side for that to occur. Those guard rails are pretty strong so don't exhibit the same type of damage as a car - they are made of stronger stuff than car panels.
I'm thinking the murderer could have had his head lights off to avoid being noticed, and as he was also panicked, he didn't slow down quick enough and ended up crashing into the guard rail when he was about to stop. Would have been totally freaked and erratic as a result. Could have been he was going to throw the body over and parked right there, or going to drive into the verge area to take the body down the slope and place under bridge, and misjudged as he was driving in.
Someone else also speculated that maybe this was why the other vehicle was involved, as the murderer had to call someone to tow him back home. Maybe initially the damage was more pushed into the right front wheel, making it difficult to drive without interference. Perhaps that part of the panel was later pulled away from the wheel, making it driveable, but at the time, with time running out, and the murderer being in a panic and wanting to get away from the body disposal area, he did not think or have the ability to prise the crushed panel away from the wheel.
So maybe this car damage was the only reason someone else was involved? Perhaps they weren't going to be, and another thought - if the body had already been disposed of, maybe that person was only told by the murderer he was out looking for Allison? The penny may have dropped since, but at the time maybe that's how it was.
This would explain the sighting of the vehicles very close together, and could also explain the 'out of place' activity at the Kenmore roundabout ie a car being towed.
Can anyone recall when the sighting of the vehicles close together at Anstead was supposed to have occurred? For some reason i was thinking it was 4am, because at the time I thought - they are cutting it fine as there would definitely be more than the odd car a few times an hour. After 5am there would be a light but regular number of cars coming through.
Apologies if others have posted similar ideas - i have got very behind in the last few days due to work, and dont have time to read every post ahead before posting.
Big bright yellow one. 
