In my inspirational driving this week in Dynamic Mode, I was wondering if anyone has consistently left their daily driver in Dynamic to observe average mileage loss.

I drive a 3.0 SC AWD every day and observe average fuel economy at 20.5 mpg in Normal Mode. What differences have you observed?

 

I have the same 3.0 SC AWD and have the same question.

 

Can't help but again I am amazed at the gas mileage of my VAP tuned XJR. I make about 620 HP and drive the car hard. In town I average 22+ mpg! My last big highway trip I got 28 mpg with a 78 mph average that included gas stops! After the tune the lowest I have ever got was around 19 mpg during some high speed races.

I don't leave it in Dynamic all the time as sometimes it's so nice to cruise smoothly along. That's the real magic of my XJR. A total beast when I want it to be and a wonderful smooth and quiet luxury car if I am just puttering along.
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Drove to Ohio with Vap tune in Dynamic mode I got 31.8 mpg ,in normal 28mpg

 

So I’m needing to do a bit of research. As I drive a Base level XJ 3.0 AWD, there’s likely not a VAP tube available. What are the basics of this tune and wonder why the mileage is 10% better?

 

Yes VAP has an extensive line of hot rod parts for the SC V-6. Just depends on far you want to take it?
E30 tunes? Upper and lower pullies? Transmission tune and engine tune? The V-8 even has a larger SC option out now. That TVS2300 would be a bad *** upgrade for sure!

Can't answer why the better mileage just that I was surprised as that was not an advertised benefit and I NEVER expect improved gas mileage when doing modifications. So a very pleasant surprise for sure!

It's amazing how Jaguar was able to step up the power in these engines with so little changes. The tune is the major difference.
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There’s no reason for Dynamic mode to reduce fuel mileage, except that it tend to make your right foot heavier. 🏎️

 

That's the best answer right there!
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