CARFAX is only moderately trustworthy, I don't think it could be relied upon too much, it is just a pretty good idea as to what may have happened. DMV input errors can mess it up pretty well, I have seen that. Like garbage in, garbage out.

As to Airbags, the Honda Accords and Toyota Camrys are really high up on the theft ladder because of their value for high dollar parts, like AIRBAGS that can be bought by body shops and reinstalled on wrecked cars

I wouldn't want to deal with a car that had been in a flood, I guess its not just a matter of rust, electric gremlins but also one of dirt and uncleanliness!!

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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ...

1995 E 420, 170k "The Red Plum" (sold)

2015 BMW 535i xdrive awd Stage 1 DINAN, 6k, <----364 hp

1967 Mercury Cougar, 49k

2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive (sold)