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Old 03-08-2013, 02:53 AM   #1
stevehnm
Scooby Specialist
 
Member#: 329526
Join Date: Aug 2012
Chapter/Region: SWIC
Location: Ground Control
Vehicle:
2013 Impreza Spt cvt
Silver

Default Impreza CVT MPG Problem

Other than the fuel economy, this is a great car. However, there has been much discussion in other threads about the fact the CVT does not get the advertised MPG, backed up by this observation:

The fact that Consumer Reports has tested several vehicles that get the same highway mpg, yet are rated consistently lower. Very consistently. The sedan (at CR's 35 mpg) is particularly woeful, as the other cars are rated at 30 +/- 2 MPG EPA highway, yet still get the same mpg in real world testing, with a tight spread. The actual numbers are a mean of 29.9 MPG with a standard deviation of 1.311, meaning the 36 mpg EPA highway rating by Subaru is so far out in left field that it is 4.63 standard deviations away from the crowd. This means that if there were a half million cars in this same spread, the Subaru Impreza would have a better than 50/50 chance of being the worst.

So, the question is, how can Subaru improve the fuel economy of the Impreza? In the 200,000 miles I plan(ned?) to keep the car it will cost me an extra $5,000 extra dollars for fuel, since the real world EPA highway MPG should be 30 MPG.

I got the information here:

http://www.consumerreports.org/cro/c...erformance.htm

and the actual data is this:

Subaru Impreza sedan Premium 4-cyl CVT___ 36

Acura TL Base V6 ______________________29
Acura TSX 4-cyl ________________________30
Audi A4 sedan Premium 4-cyl______________29
Ford Mustang coupe Premium V6 MT________29
Dodge Avenger Mainstreet 4-cyl___________31
Lexus ES 350 V6_______________________31
Mazda MX-5 Miata Grand Touring 4-cyl MT___28
Nissan Altima 3.5 SL V6 CVT______________31
Subaru Legacy 2.5i Premium 4-cyl CVT______32
Volkswagen CC Sport 4-cyl_______________31
Volvo C30 T5 1.0 5-cyl MT ________________28
Volvo S60 T5 5-cyl______________________30

Last edited by stevehnm; 03-09-2013 at 07:28 AM.
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