On SUVs, I've found they are a significant benefit, not so much on coupes and sedans. I assume because the rear window on an SUV is close to the very end of the vehicle, it is subject to more road debris/rain/snow, etc. being thrown up on the window than on a vehicle where the rear window has some protection via distance/separation from road debris.
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Posts: 1881 | Location: Southern California | Registered: January 16, 2003
I suspect that sloped rear sedan windows don’t collect rain, snow, and road dirt to the extent that more vertical station wagon (which I have) windows do. I use mine all the time if it’s raining or in any kind of snow that collects on the vehicle. My early 1970s Jimmy didn’t have one and I was very appreciative that my 1984 Toyota Tercel SW did. I like being able to see what’s behind me, and outside mirrors don’t make that completely possible.
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Posts: 38304 | Location: 10,150 Feet Above Sea Level in Colorado | Registered: April 04, 2002
Yes. On the XTerra the back window collects all the rain and gunk. With smaller side mirrors that also collect spray and aren’t heated, the extra visibility out the back window is very helpful but it needs the wiper to keep it clear. It also has a defroster grid in it for the same reason.
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Posts: 6959 | Location: West | Registered: November 26, 2002
Originally posted by SBrooks: My wifes lexus RX300 (or 350? can't remember) really needs the rear wiper. Something about the design airflow seems to suck all the rain and mist off the road and onto the window. It stays filthy.
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Posts: 7460 | Location: In the gilded cage | Registered: December 09, 2007
on SUV's yes, the lack of a trunk or extended body allows all the road schmutz kicked up by your tires to coat the back window...
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Posts: 2335 | Location: Two blocks from the Center of the Universe | Registered: December 30, 2004