Filed under Rule 424(b)(2), Registration Statement No. 333-183535

Preliminary Pricing Supplement No 27 - Dated Monday, September 23, 2013 (To: Prospectus dated August 24, 2012)

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

02006DCH2

[]

100.000%

1.125%

[]

Fixed

2.900%

Monthly

10/15/2016

11/15/2013

$3.38

No

Senior Unsecured Notes

Redemption Information: Callable at 100% on 10/15/2014 and Monthly thereafter with 30 Calendar Days Notice.

02006DCJ8

[]

100.000%

1.700%

[]

Fixed

4.400%

Monthly

10/15/2018

11/15/2013

$5.13

No

Senior Unsecured Notes

Redemption Information: Callable at 100% on 10/15/2014 and Monthly thereafter with 30 Calendar Days Notice.

Ally Financial Inc.	Offering Date: Monday, September 23, 2013 through Monday, September 30, 2013	Ally Financial Inc.
	Trade Date: Monday, September 30, 2013 @ 12:00 PM ET	Ally Financial Term Notes, Series A
	Settle Date: Thursday, October 3, 2013	Prospectus dated August 24, 2012
	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
	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.