Filed under Rule 424(b)(2), Registration Statement No. 333-183535
Preliminary Pricing Supplement No. 4 - Dated Tuesday, November 27, 2012 (To: Prospectus dated August 24, 2012)
| CUSIP | Principal | Gross | Net | Coupon | Coupon | Coupon | Maturity | 1st Coupon | 1st Coupon | Survivor's | Product | |
| Number | Amount | Selling Price | Concession | Proceeds | Type | Rate | Frequency | Date | Date | Amount | Option | Ranking |
| 02006DAK7 | [] | 100.000% | 0.575% | [] | Fixed | 2.000% | Semi-Annual | 06/15/2014 | 06/15/2013 | $10.50 | No | Senior Unsecured Notes |
| Redemption Information: Non-Callable | ||||||||||||
| 02006DAL5 | [] | 100.000% | 1.300% | [] | Fixed | 3.350% | Monthly | 12/15/2016 | 01/15/2013 | $3.63 | No | Senior Unsecured Notes |
| Redemption Information: Callable at 100% on 12/15/2013 and Monthly thereafter with 30 Calendar Days Notice. | ||||||||||||
| Ally Financial Inc. | Offering Date: Tuesday, November 27, 2012 through Monday, December 3, 2012 | Ally Financial Inc. |
| Trade Date: Monday, December 3, 2012 @ 12:00 PM ET | Ally Financial Term Notes, Series A | |
| Settle Date: Thursday, December 6, 2012 | 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: 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. | ||