I'm gonna guess that it's not rockauto's fault but powerstop's. The part number on the pads looks to be the right number for the Mirage. The different pads I've used over the years always had the part number 1731 in it somewhere. I don't think it's right that you'd have to pay a dime for return shipping on parts that are boxed wrong. I'd call and ask them to open a raybestos brand for the same car and compare it with the powerstop brand they have on hand and see wth is up. But maybe the have a call center in india?
Here's a long winded story. Just yesterday I ran into a problem with an SKF bearing. I needed a rear wheel bearing for a g500. The Skf part listed on rock auto was a gwr239. The bearing was way too small. The dimensions on rock auto were correct for that bearing but the application was wrong. I eventually found a cross reference from a National bearing number to skf and came up with a gwr329. It was a perfect fit. I'm guessing someone at skf was a little dyslexic that day? The number they list for the g500 also showed as fitting a focus as well as sprinter van, which the later is probably correct.
Mirage videos:
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View my fuel log 2014 Mirage SE wussie cvt edition. 1.2 automatic: 37.7 mpg (US) ... 16.0 km/L ... 6.2 L/100 km ... 45.3 mpg (Imp)