The Jazz is a freaking fantastic car. Its biggest problems are, actually, sitting in the showroom right next to it.
The HR-V, despite the lack of rear headroom and despite not being any more utilitarian than the Jazz, sells better because it is a "crossover" (despite the ultra-low ride height).
The Mobilio and BR-V both offer seven seats within the same price range. What family man would get a Jazz over a BR-V? The Jazz is arguably higher quality, but the BR-V sits seven, clears humps better, and has the exact same engine and transmission, as well as a standard touchscreen on even the base unit.
For those who aren't "family men", there are ***ier cars than the Jazz out there. Like the HR-V.
That said: Honda's line-up is killing it. They've covered every budget range and need... go in for City, come out with a Mobilio. Go in for a Mobilio, come out with a BR-V. Go in for a Jazz, come out with an HR-V. I'm just worried about in-brand cannibalism, but since these cars share a lot mechanically, it shouldn't be such a big deal on the service side. It will just take more creative and intelligent stocking to keep unsold inventories for certain models from piling up.
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Will wonders never cease with Motolite? Ha ha.
Cheaper brands than Motolite but reliable as well