Will anything other than the hood and trunk need repainting? You need to get an estimate on repainting the hood and trunk lid from a good body shop. Factor that into your buying decision. If it is as nice as you say, you and he are in very close barganing range from each other. I think your offer is reasonable considering the required repainting needing to be done. Let the seller know what the repainting repairs are going to cost. I expect it will be higher than either of you are currently thinking. That might make him be more willing to compromise.