What's the difference in price between these two?

Meaning

How much more expensive is one item than the other?

Examples

• John: 'What's the difference in price between these two?'<br>
• Alice: 'One is $50, and the other is $75, so a difference of $25.'
• John: 'There's a $10 difference; the upgraded model costs more.'
• Alice: 'What's the difference in price between these two?'<br>