Save or Spend? Maruti XL6 vs Kia Carens compared to pick the better 6-seater

The Kia Carens is one of the best, if not the best, MPVs currently on sale in India. Though if you want a 6-seater MPV on a budget, the Maruti XL6 does entice - along with the promise of Maruti's vast service network. Would you be content by saving almost Rs 4 lakh on-road (Delhi) and buying the XL6 then? Or does the Carens offer enough (more than just features) to make you take the leap? Vikrant finds out.