Compare Automotive Deals

At Discount Tire, get a $100 Prepaid Visa Card for free when you purchase a set of four tires or four wheels and send in this $100 rebate. (You can either mail it in or submit it online.) That's tied with our expired mention from two weeks ago as the best such offer we've seen from this merchant. Deal ends May 26.

Note: The set must be for one vehicle and installed on site.

On May 25 and May 26 only, Discount Tire offers a $100 Prepaid Visa Card for free when you purchase a set of four tires or four wheels and send in this mail-in rebate. That's tied with our mention from two weeks ago as the best such offer we've seen from Discount Tire. Some conditions apply. Rebate expires May 26.

Of note, the Prepaid Visa Card is only valid for four months plus any remaining days in the month of issuance.

For in-store pickup only, Sears offers this Castrol GTX 5W-30 Motor Oil 1-Quart Bottle for $2.99. It's $2 under the lowest price we could find elsewhere. Sales tax is added where applicable.

mwave offers the Absolute In-Dash 7" Touchscreen DVD/CD Receiver, model no. DMR710, for $164.95 with free shipping. That's the lowest total price we could find by $5. This single-DIN AM/FM CD/DVD receiver features 80-watt RMS power to four channels, 7" 480x234 touchscreen display, 18 FM presets, 12 AM presets, remote control, password protection, DVD, CD, CD-R, CD-RW, MP3, VCD, and MPEG-4 support, and more.

Best Buy offers the Rocketfish Mobile Molded 4.3" GPS Carrying Case, model no. RF-GP503, for $1.99 with free shipping. That's tied with our March mention of a Rocketfish neoprene case and the lowest total price we've ever seen for any GPS case. (It's also a current price low by $6.) Sales tax is added where applicable.

newegg offers the refurbished Magellan Roadmate 2036T-LM 4.3" Touchscreen Portable GPS Navigation System, model no. RM2045SGLUC, for $59.99 plus $4.99 for shipping. That's $14 under our January mention of a refurb and the lowest total price we could find for a refurb today by $12. This GPS unit features a 4.3" 480x272 wide touchscreen LCD, traffic receiver with free lifetime traffic updates, free lifetime map updates, text-to-speech with spoken street names, Highway Lane Assist, OneTouch favorites, highway exit POI search, AAA TourBook, preloaded maps of the United States, Canada, and Puerto Rico, and more. Deal ends May 28.

Note: A 90-day warranty applies, although it's unclear who supports it.

mwave offers the Absolute 7" In-Dash DVD Player, model no. DMR-780BT, for $234.27 plus $11.16 for shipping. That's $194 off and the lowest total price we could find by $51. It features 20 watts RMS (80 watts peak) per channel into four channels, a motorized 7" 1440x234 widescreen LCD touchscreen, AM/FM tuner, DVD/CD player, Bluetooth, SD card slot, USB connectivity, wireless remote, and more.

Update: It now qualifies for free shipping.

Motorcycle Superstore slashes 25% to 73% off select merchandise during its Bargain Bin Sale, with items starting at $5.99. That's among the best sales we've seen from Motorcycle Superstore in recent months, although we saw 25% to 91% off last week (since expired). Shipping adds $6.99, or spend over $89 for free shipping. Notables:

• Bell Drifter Solid Helmet for $39.99
• Shift Racing Women's Street Shoes for $49.99
• Bell Arrow Shocker Helmet (pictured) for $49.99
• Scott Men's 250 Enduro Jacket for $104.99
• browse the entire Motorcycle Superstore Bargain Bin Sale

Walmart offers the refurbished Garmin nüvi 1390LMT 4.3" Widescreen Portable GPS Navigation System with lifetime maps and traffic, model no. 010-00782-0C, for $89.98 plus $1.97 for shipping. (Free Site-to-Store pickup is also available.) That's tied with our mention from two weeks ago as the lowest total price we've ever seen for this model. (It's also $6 under the lowest total price we could find for a refurbished one elsewhere.) Sales tax is added where applicable. Features include a 4.3" 480x272 touchscreen LCD, free lifetime traffic and map updates, hands-free calling via built-in Bluetooth, built-in microphone and speaker, 6 million points of interests, pre-loaded 2D / 3D maps of the U.S and Canada, City Navigator NT, microSD card slot, USB interface, Lane Assist, and more.

Note: A 1-year warranty applies, although it's unclear who supports it.

At TireRack, buy four Goodyear or Dunlop tires and receive a $40 to $80 Visa Prepaid Card for free via a mail-in rebate. That's tied with our mention from last month as one of the best offers we've seen on these tires. The tires must be purchased from in-stock inventory. Rebate expires May 31. Other notable ongoing promotions:

• Free $50 or $80 AmEx Prepaid Card w/ 4 Hankook tires via rebate (ends 6/30)
• free $50 Visa Prepaid Card w/ 4 Kumho tires via rebate (ends 8/31)
• 20% off select KONI shocks and suspension products (ends 5/31)
• see all TireRack Special Offers (scroll down and click "View All Special Offers".)

Meritline offers this 3-Outlet DC Power Car Charger Adapter with USB Port for $3.99 with free shipping. That's tied with our December mention and a buck under the lowest total price we could find for such an adapter. It converts a single 12V car cigarette lighter outlet into three and includes a USB port.

Expect this item to take two to three weeks to arrive.

Sears offers the Explorer 3.2-oz. 2-Cycle Engine Oil, model no. 21003, for 99 cents. Choose free in-store pickup to avoid the $5.99 shipping fee. That's $1 off and the lowest total price we could find. Sales tax is added where applicable. This ash-less formula contains fuel stabilizer.

At Harley-Davidson, get a free sticker after filling out a short form. It's tied with our April mention as the only free sticker offer we've seen from this manufacturer. You will also receive a Harley-Davidson catalog.

Cellular Factory offers this MP3 Player FM Transmitter for $5.99. Coupon code "O9HCZB" nets free shipping. That's the lowest total price we could find for such a transmitter by $2. It works on most audio devices with a 3.5mm jack. Deal ends May 25.

mwave offers this pair of Pioneer 6.5" 2-Way Car Speakers, model no. TS-G1644, for $26.99 plus $7.99 for shipping. That's the lowest total price we could find by $22. They feature 40 watts RMS power handling (250 watts peak), a 31Hz to 29kHz frequency response, 1-5/8" mounting depth, and more.

Pep Boys locations offer a Conventional Oil Change for $19.99, via this printable coupon. That's the first oil change discount we've seen from Pep Boys. This oil change service includes up to five quarts of conventional oil, a proline oil filter, 25-point safety check, tire rotation, and tire pressure check. Click here to find a store near you. Coupon ends June 4.

Advance Auto Parts continues to offer several coupons, as listed below. That's tied with our mention from a week ago and among the strongest discounts we've seen from this merchant. (We saw no-minimum discounts of 30% and 35% off over a month ago.) Shipping starts around $9, or spend $75 or more (after coupon) to qualify for free shipping. (Free in-store pickup is also available on most items.) Sales tax is added where applicable. Note that motor oil is excluded. The coupons (which do not stack):

• 20% off sitewide with no minimum via code "P20"
• $10 off orders of $30 or more via code "A123"
• $20 off orders of $50 or more via code "A123"
• $30 off orders of $75 or more via code "BIG30"
• $35 off orders of $85 or more via code "RAF7JA1102"
• $50 off orders of $150 or more via code "VISA"

mwave again offers the mwave 33-Piece Roadside Emergency Kit for $19.99 with free shipping. That's tied with our mention from a week ago and the lowest total price we could find by $13. It includes 8-foot jumper cables, compact flashlight, Phillips screwdriver, flat screwdriver, pliers, and more.

mwave offers the XO Vision Automotive DVD/CD Receiver with 3" LCD, model no. XO1962, for $79.99 with free shipping. That's the lowest total price we could find by $10. This DVD/CD receiver features 40 watts RMS into four channels, 3" 16:9 TFT LCD display, a USB port, SD card slot, AM/FM tuner with 30 presets, auxilary port, MP4 compatibility, and more.