Author Topic: Whats better MPG?? Jetta or golf TDI??  (Read 2318 times)

June 03, 2009, 09:37:15 pm

shagy9888

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Whats better MPG?? Jetta or golf TDI??
« on: June 03, 2009, 09:37:15 pm »
I am thinking about buying a TDI for MPG? i like the Jetta and Golf. i want a manual. so what is better for MPG between Jetta and Golf??



Reply #1June 03, 2009, 11:54:39 pm

jtanguay

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Re: Whats better MPG?? Jetta or golf TDI??
« Reply #1 on: June 03, 2009, 11:54:39 pm »
the golf weighs about 100 lbs less or so.  it's not going to be a heck of a lot better, but the golf will get slightly better mileage.


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Reply #2June 03, 2009, 11:55:07 pm

diesel smoke

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Re: Whats better MPG?? Jetta or golf TDI??
« Reply #2 on: June 03, 2009, 11:55:07 pm »
Jetta. Just barely.  ;)
'99.5 Bora TDI
'88 Fox Coupe
'71 Tin Top Westfalia Bus
'85 Mercedes 300SD

Reply #3June 04, 2009, 01:13:31 pm

mainer

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Re: Whats better MPG?? Jetta or golf TDI??
« Reply #3 on: June 04, 2009, 01:13:31 pm »
Even though the Golf is a bit lighter the shape of it is not aerodynamic compared to a Jetta. A square back doesn't allow the air to slide, if you will, off smoothly. The square causes the air moving over the car to become turbulent, upsetting the flow over the rest of the car. The turbulent air causes more drag and the higher drag requires a higher amount of energy to overcome. To create more energy your going to use more fuel. This is why we see cars like the Toyota Prius and Honda Insight with such weird shapes on the back end.

http://www.metrompg.com/zoom_image.htm?H=143&W=869&ZoomFile=golf-jetta-wake-z.jpg&Caption=Wind%20tunnel%20test%20showing%20the%20relative%20wake%20size%20of%20a%20VW%20Golf%20(Rabbit)%20hatchback%20and%20Jetta%20sedan&title=Wind%20tunnel%3A%20Golf%20vs%20Jetta##


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84 Jetta TD
08 Duramax
12 Sportwagen TDi

Reply #4June 04, 2009, 02:53:33 pm

jtanguay

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Re: Whats better MPG?? Jetta or golf TDI??
« Reply #4 on: June 04, 2009, 02:53:33 pm »
then its more of a personal preference.  if you like to drive faster, then go for the jetta.


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