Another factor is maintenance and service costs. They might be more reliable, but if you do need some service or maintenance, you'll need to take it to the deal

Another factor is maintenance and service costs. They might be more reliable, but if you do need some service or maintenance, you'll need to take it to the dealer as there aren't as many experienced diesel car mechanics. Correct me if I'm wrong, but this is one factor that has kept me away from diesel (apart from availability of diesel at most pumps near me).