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Suzuki SX4 MPG Real World Numbers
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Comments
I was told fuel efficiency will improve after the car is run-in but I should not expect to see the 23/29 advertised on the window sticker. Any feedback on this, please? How mpg is supposed to improve with the car aging? Is it possible that there is something wrong with my brand-new SX4 and it is so fuel hungry?
Regarding the i-AWD, here's my understanding of it:
The selection switch, found to the right of the hand-brake, has 3 positions.
In the AUTO position (middle) all four wheels are engaged to the middle differential but at a 95% Front - 5% Rear, ratio. Essentially, FWD. However, if slippage is detected in the front wheels, the ratio is changed diverting more power to the rear wheels, up to a 40 F / 60 R). This is the preferrred selection for driving under light snowfall, moderate to heavy rain, on sand, gravel etc.
In the FWD position ( selector pushed front) the rear wheels are not and will never engage to the middle differential, making the SX4 a standard front wheel drive car. This is the preferrred selection for driving under normal conditions and Suzuki also says that best mpg can be achieved at this setting. (no wonder)
In the LOCK position (selector pushed back) both front and rear axles are permanently locked (i.e. not dynamically changing) into a 50/50 ratio, unless car speed exceeds -approx.- 36 mph, at which point the i-AWD system falls back to the AUTO position. This is the preferrred selection for driving in under extreme conditions and what one should use to get the car un-stuck from heavy snow, mud, sand and to drive in extremely slippery conditions.
Please comment with your feeedback, I believe the above description is quite accurate since it has been transferred from this year's SX4 brochure.