Even though I am a diesel veteran of more years than I care to remember, don't forget to factor in to your calculations the premium on the purchase price of diesel cars. The real benefit of diesel is when substantial mileage is involved, so if you only do small mileage, the benefit is eroded, if not completely cancelled. Having said that, diesels have more torque (pulling power), and are less hassle to maintain. Just keep changing your oil and filter regularly, and that's most of your regular maintenance covered. You may simply prefer them, even if the sums don't necessarily justify the choice. Just look at all the SUV/jeeps around the place. Many don't even have 4WD, or even a towbar, so they can't really be used to the full...but people still buy them!!