Filed under Rule 424(b)(2), Registration Statement No. 333-226651
Preliminary Pricing Supplement No. 210 - Dated Monday, October 28, 2019 (To: Prospectus dated August 7, 2018)
 
CUSIP	Principal	Selling	Gross	Net	Coupon	Coupon	Coupon	Maturity	1st Coupon	1st Coupon	Survivor's	Product	
Number	Amount	Price	Concession	Proceeds	Type	Rate	Frequency	Date	Date	Amount	Option	Ranking	
02006DTM3	[]	100.00 %	1.125 %	[]	Fixed	2.350 %	Monthly	11/15/2022	12/15/2019	$2.48	Yes	Senior Unsecured Notes	
Redemption Information: Callable at 100% on 11/15/2020 and Monthly thereafter with 30 Calendar Days Notice.	
02006DTN1	[]	100.00 %	1.700 %	[]	Fixed	2.600 %	Monthly	11/15/2024	12/15/2019	$2.74	Yes	Senior Unsecured Notes	
Redemption Information: Callable at 100% on 11/15/2020 and Monthly thereafter with 30 Calendar Days Notice.	
 
Ally Financial Inc.	Offering Date: Monday, October 28, 2019 through Monday, November 4, 2019	Ally Financial Inc.	
 	Trade Date: Monday, November 4, 2019 @ 12:00 PM ET	Ally Financial Term Notes, Series A	
 	Settle Date: Thursday, November 7, 2019	Prospectus dated August 7, 2018	
 	Minimum Denomination/Increments: $1,000.00/$1,000.00	 	
 	Initial trades settle flat and clear SDFS: DTC Book Entry only	 	
 	DTC Number 0235 via RBC Dain Rauscher Inc	 	
 	 	 	
 	Agents: Incapital LLC, Citigroup, RBC Capital Markets, Morgan Stanley, J.P. Morgan	 	
 	 	 	
 	Except for Notes sold to level-fee accounts, Notes offered to the public will be offered at the public offering price set forth in this Pricing Supplement.  Selected dealers purchasing Notes on an agency basis for non-level fee client accounts shall purchase Notes at the public offering price. Notes purchased by the selected dealers for their own account may be purchased at the public offering price less the applicable concession. Notes purchased by the selected dealers on behalf of level-fee accounts may be sold to such accounts at the applicable concession to the public offering price, in which case, such selected dealers will not retain any portion of the sales price as compensation.	 	
 	 	 	
 	If the maturity date or an interest payment date for any note is not a business day (as term is defined in prospectus), principal, premium, if any, and interest for that note is paid on the next business day, and no interest will accrue from, and after, the maturity date or interest payment date.