| Username | Title | Posts | Registration date |
|---|---|---|---|
| slorthnmost | Rookie Driver | 4 | 2012-04-19 |
| sloth car | Rookie Driver | 4 | 2013-09-26 |
| slow | Rookie Driver | 1 | 2012-08-06 |
| slowdog | Rookie Driver | 9 | 2013-09-01 |
| slower_n_ell | Rookie Driver | 2 | 2010-09-28 |
| slowjoe | Rookie Driver | 2 | 2017-07-30 |
| SlowKid | Rookie Driver | 0 | 2020-02-08 |
| slowmo | Rookie Driver | 1 | 2013-04-15 |
| SlowMotionFire | Paddock Rat | 44 | 2014-05-18 |
| Slowwhite | Rookie Driver | 0 | 2017-11-09 |
| slow_poke | Rookie Driver | 8 | 2013-09-14 |
| SLT | Rookie Driver | 1 | 2015-05-15 |
| slublins | Rookie Driver | 0 | 2022-10-24 |
| Sludge | Rookie Driver | 0 | 2017-10-16 |
| Slydwaz | Rookie Driver | 3 | 2011-11-18 |
| slyez1 | Rookie Driver | 0 | 2018-12-10 |
| smaceng | Rookie Driver | 5 | 2014-01-20 |
| smackela | Ripened Lemon | 164 | 2009-10-06 |
| smacrocks | Rookie Driver | 1 | 2012-03-30 |
| smagg26 | Rookie Driver | 3 | 2017-02-07 |
| smakdown61 | Rookie Driver | 4 | 2012-01-21 |
| smalcol | Rookie Driver | 3 | 2013-09-25 |
| smallblockeight | Rookie Driver | 0 | 2022-02-26 |
| smalleyxb122 | Paddock Rat | 41 | 2014-07-05 |
| smallfence | Rookie Driver | 4 | 2021-10-31 |
| smashing_grapes | Rookie Driver | 2 | 2016-01-08 |
| smbeever44 | Rookie Driver | 1 | 2021-09-17 |
| smeagol | Paddock Rat | 25 | 2012-07-23 |
| smessaert | Rookie Driver | 2 | 2011-08-09 |
| smighall | Rookie Driver | 0 | 2020-04-24 |
| Smike | Rookie Driver | 1 | 2016-02-21 |
| Smiley | Rookie Driver | 2 | 2010-01-07 |
| SmilingBob | Rookie Driver | 3 | 2010-11-08 |
| smiller | Rookie Driver | 3 | 2018-08-03 |
| Smitty | Rookie Driver | 2 | 2010-10-25 |
| Smittydc | Rookie Driver | 2 | 2015-09-15 |
| smokeinmirrors | Rookie Driver | 3 | 2014-12-20 |
| SmokeySaturn | Rookie Driver | 2 | 2014-08-09 |
| smokindok | Rookie Driver | 1 | 2014-07-29 |
| smokinstang70 | Rookie Driver | 4 | 2012-09-12 |
| Smonty | Rookie Driver | 0 | 2022-02-16 |
| SmoothCustomer | Rookie Driver | 4 | 2012-02-02 |
| sms003022 | Rookie Driver | 0 | 2023-01-09 |
| SMSRACING | Paddock Rat | 71 | 2009-07-27 |
| Smugzug | Paddock Rat | 34 | 2012-07-31 |
| smurf | Rookie Driver | 3 | 2012-07-11 |
| Smurfette | Rookie Driver | 1 | 2015-12-10 |
| smurfless1 | Rookie Driver | 7 | 2012-09-18 |
| Smurfs Up | Rookie Driver | 1 | 2011-04-03 |
| smurfskier | Rookie Driver | 3 | 2012-06-21 |