Fuel mileage ranged from the Spirit´s 42.5-mpg average to the 35.1-mpg average of the Aero.
The D stands for diesel, which represents 30-50% of the European market simply for its markedly improved fuel mileage figures, when compared to regular fuel.
Using highway mileage, their 15,000 mile fuel expenses come out to $1071.00 for the Subaru and $1764.00 for the Jeep.
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