1990 Jaguar XJ6 Highway Performance with premium fuel

  • 1990 JAGUAR XJ6

Engine Performance problem
1990 Jaguar XJ6 6 cyl Two Wheel Drive Automatic 200, 00 miles

I have heard that a car runs better and performs better with premium fuel vs convenience stop fuel. What is your opinion on fuel necessary to always have a excellent highway trip of 550 miles (round trip).

Do you
have the same problem?
Monday, October 4th, 2010 AT 8:11 AM

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