Subscribe and save to get free shipping. $16.29 - $5 Rebate [shell.com] = $11.29. Less with 5 or more subscriptions.

Limit 4 rebates per person, household or address (e-mail and physical). Offer ends December 31, 2016.

Amazon.com [amazon.com]

Also available 1-Gallon Shell Rotella T5 10W-30 Synthetic Blend Heavy Duty Engine Oil [amazon.com] for $7.60 after subscribe & save & $5 Rebate [shell.com].