The 1999 Australian Sports Sedan Championship was open to drivers of Sports Sedans complying with CAMS Group 2D regulations. The championship was decided over a five round series.
| Position | Driver | No. | Car | Entrant | Points |
|---|---|---|---|---|---|
| 1 | Tony Ricciardello | 1 | Alfa Romeo GTV - Chevrolet | Basil Ricciardello | 243 |
| 2 | Kerry Baily | 38 | Honda Prelude - Chevrolet | Stephen Voight / Kerry Baily | 196 |
| 3 | Mick Monterosso | 2 | Holden Commodore - Chevrolet Ford Escort RS2000 - Chevrolet |
Mick Monterosso | 169 |
| 4 | Des Wall | 20 | Toyota Supra - Chevrolet | Des Wall | 166 |
| 5 | Ivan Mikac | 42 | Mazda RX-7 | Ivan Mikac | 126 |
| 6 | Grant Munday | 14 | Holden Commodore VN | Grant Munday | 119 |
| 7 | Barry Jameson | 45 | Ford Falcon XR8 - Chevrolet | Barry Jameson | 111 |
| 8 | Phil Crompton | 49 | Ford Falcon EB | Phil Crompton | 97 |
| 9 | Kevin Clark | 16 | Ford Mustang GT | Kevin Clark | 92 |
| 10 | David Krause | 179 | Holden EH | Ronald J Krause | 84 |
| 11 | Bob Jolly | 3 | Holden Commodore VS | Bob Jolly | 73 |
| 12 | Mark Trenoweth | 8 | Jaguar XJS | Mark Trenoweth | 59 |
| 13 | Mark Stinson | 13 | Holden Calibra - Chevrolet | Australian Sports Sedan Association | 52 |
| 14 | Tony Wilson | 27 | Holden Commodore VS | The Smash Repair Centre | 52 |
| 15 | Peter O'Brien | 17 | Holden Commodore VL - Chevrolet | O'Brien Aluminium | 48 |
| 16 | Jeff Barnes | 6 | Pontiac Firebird Trans Am | Barnes High Performance | 45 |
| 17 | Joseph Said | 9 | Fiat 124 Coupe | Joseph Said | 32 |
| 18 | Norman Mogg | 111 | Holden Commodore VL | Norman Mogg | 30 |
| 19 | Stephen Lichtenberger | 5 | Mazda RX-7 | Stephen Lichtenberger | 29 |
| 20 | Trent Young | 11 | Toyota Corolla | Trent Young | 27 |
| 21 | Simon Emmerling | 11 | BMW 635CSi | 26 | |
| 22 | Ron O'Brien | 18 | Ford Sierra RS500 - Chevrolet Holden Commodore VL |
O'Brien Aluminium | 26 |
| 23 | Tony Hubbard | 26 | Holden Calibra | Tony Hubbard | 24 |
| 24 | Peter Hayes | 28 | Ford Capri | Peter Hayes | 23 |
| 25 | Graham Smith | 16 | Opel Calibra - Fiat | Graham Smith | 23 |
| 26 | Bruce Dee Boo | 44 | Mazda RX-7 | Bruce Dee Boo | 20 |
| 27 | Dean Randle | 33 | Saab 900 Aero - Chevrolet | Dean Randle | 19 |
| 28 | Richard Catchlove | 22 | Mazda RX-7 | Bill Emeny | 16 |
| 29 | Bill Martin | 10 | Mazda RX-7 | Bill Martin | 15 |
| 30 | Mark Smith | 29 | Holden Gemini | Mark Smith | 14 |
| 31 | Barry Bray | 36 | Mazda RX-7 | Barry Bray | 13 |
| 32 | Fred Axisa | 80 | Holden Commodore VK | Fred Axisa | 11 |
| 33 | Lee Nicolle | 10 | Holden Torana GTR XU-1 | Lee Nicolle | 10 |
| 34 | Keith Carling | 11 | Mazda RX-7 | Keith Carling | 8 |