The five most popular story-specific questions about Motorheads Season 1 Episode 5 'Value' are:

1. What significance does Sam's old car have at the car auction?
2. How does Marcel convince Wade to make his famous chili, and what role does this play?
3. Why does Logan start restoring cars, and how does Caitlyn influence this decision?
4. What motivates Zac to participate in secret street races, and what happens during these races?
5. How does Caitlyn's discovery about where she belongs affect her character development in this episode?

These questions focus on key character actions and developments during the episode, such as Sam's nostalgia at the auction, Marcel and Wade's interaction, Logan's new side gig, Zac's secret racing, and Caitlyn's personal journey.