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Opel Monza MPG

1 Opel Monzas have provided 10 thousand miles of real world fuel economy & MPG data.
Click here to view all the Opel Monzas currently participating in our fuel tracking program.

Opel Monzas For Sale Nearby

  • 1984
  • 18.0 Avg MPG
  • 1 Vehicle
  • 48 Fuel-ups
  • 9,683 Miles Tracked
  • View All 1984 Opel Monzas

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ethanol treatment

i use sta-bil marine formula ethanol treatment. 1oz. per 10... ...

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