Pep Boys: $10-$20 Off Oil Change Free Shipping Get it at Pep Boys Check It Out Pep Boys offers a courtesy vehicle inspection when you bring your car in for an oil change. Brad's Deals Editor Jim, Details Get $10 off a Pennzoil High-Mileage Oil Change or $20 off a Pennzoil Synthetic Motor Oil Change with this deal from Pep Boys. The high-mileage option is recommended for vehicles with more than 75,000 miles on the odometer. Both deals include up to five quarts of motor oil and a courtesy vehicle inspection. To get the coupon, book your service appointment at PepBoys.com. Terms, conditions, and restrictions may apply. Advertiser Disclosure How To Get It Go to pepboys.com. Schedule your service appointment online (the coupon becomes available after you book the appointment).