I've been trying to put together a list of discount numbers (publicly available) that are available for use at the major car rental firms. This way I can check around and compare rates. I have found that different partners provide different discounts depending on date, location, unpublished promotions, etc. Here is what I have for Avis:

Partner AWD #
Alaska Air K197800
Starwood K817200
HHonors K851000
Inside Flyer A205700

Your additions are welcome. Thanks.

Continental K024400
American K817100

Thru 12/15/99
20% savings on weekend and weekly rentals; any car group (usual restrictions)
AWD# K312600 (must pay with AMEX card)

AWD B335100 British Airways is about the best I came across. Also, you can get 500 British Airways miles per rental without a qualifying flight and at every location, not only airports.

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In my experience, AAA is almost always cheaper than any of these others. You are supposed to be a member, and each state has its own discount code. It's worth the $40/year for the hotel and car discounts to me even if I never need a jump start!

AAA has discounts with Avis? I'm a AAA member and am only aware of discounts with Hertz.

[This message has been edited by MileKing (edited 10-22-1999).]

Hyatt K817700
United K019300

Costco: (Call 800)239-7075 and give ID#A108325 (up to 25% off). In addition to the discount, if you have Costco discount coupons (free day, $15 off or free upgrade), one can be used in addition to the 25% off. A really good deal. I have never been asked to show my Costco membership card either and a good thing since I rarely carry it.

Two other perks.....you receive unlimited miles and no charge for additional drivers.

[This message has been edited by MisterNice (edited 10-24-1999).]

Oops... I think you're right, MileKing!

using the avis website, most of the airline and hotel codes above returned the exact same price for a three day weekend rental out of newark - about $195.

this price was $33 higher than the price given when i used my company's corporate AWD number. it usually doesn't work that way - the corporate rate is almost always higher on the weekend

elsewhere on the site, avis offers a code (K257200) to get 10% off all internet bookings, but when you enter that code it gives you a rate of $224 for the same 3 days!

when booking at the avis site, don't overlook the "avis deals" section. there you'll find a selection of cities, each offering codes for weekly and/or weekend rates at great savings: the 3-day newark rate came out to be about $120.

(all rates above are without taxes or added fees.)