I bought my VW Jetti TDI back in '98, when gas was $1 per gallon. People thought I was nuts, driving a diesel car.
I guess I feel better about it now, in an odd sort of way. But I'd still rather be paying $.95 per gallon of diesel and have folks say I should've bought a gasser.
As for reliability, its been okay. Actually, my Toyota truck had worse problems than my VW. A leaky battery was the root cause for power steering leaks - common problem on VW's. Get a red-top gel-cel battery, you're good to go.
But the real problem with diesel cars here in the US is that the EPA mandates EGR systems. These recirculate exhaust gasses back into the intake manifold, which may not be a bad idea on a gasser. But for a high particulate exhaust like a diesel, all it does is clog up the intake system. Its very expensive to have your intake manifold disassembled and cleaned, and the EGR intercooler manifold replaced for clogged tubes.
There's a reason diesel cars in Europe aren't required to have EGR systems - its bad for the car, and it doesn't really improve emissions, since the reduced power and fuel economy from the EGR system causes you to stomp on the pedal harder - causing even more pollution.
Hybrids are interesting, but their highway mileage and torque has to improve to warrant replacing my TDI. I'd like to hear what "real world" mileage is on a hybrid, if you fill her up and run her down the highway till she's empty. There's a good chance the TDI will go further.
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