Answer by
laura27 (1216)
A car with good gas mileage and low RPM gauge. The lower the "V"s your car will last longer. Best diesel cars are Toyota's, Volkswagen, Volvo's, diesel trucks of Ford F-250/F-350, Mercedes Benz,Volkswagen Jetta TDI is a really great diesel car that gets 35 - 40 mpg running on diesel and will save you lots of money at pump.