2006 Super GT Series

• Toyota introduced the Lexus SC 430 as their new GT500 vehicle, replacing the fourth-generation Toyota Supra. This coincided with the introduction of the Lexus nameplate for the Japanese market in July 2005. Four teams (TOM's, Cerumo, LeMans, and Kraft) would run the new SC430, while SARD and Tsuchiya Engineering continued to use the Supra.
• Team Goh planned to enter the series with a Maserati MC12 GT1 driven by Seiji Ara and Jan Magnussen. Competing as Stile Corse, they participated in the pre-season test at Suzuka on 3–4 March, but after lacklustre results, the team scrapped their plans to race in GT500.

• Mooncraft Engineering and Cars Tokai Dream28 introduced the Shiden MC/RT-16, a prototype racing car based upon the Riley Mk.XI Daytona Prototype powered by a Toyota 1UZ-FE V8 engine.

• Kondo Racing, owned by Japanese musician and former racing driver Masahiko Kondo, entered Super GT for the first time as a Nissan factory team.
• Toyota teams TOM's and Kraft scaled back to single-car teams after running two cars each in 2005.
• Hitotsuyama Racing and their privately entered Ferrari 550 GTS and McLaren F1 GTR withdrew from the series.

• M-TEC (Mugen) closed their GT300 team to focus on their ongoing technical alliance with Team Kunimitsu in GT500.
• Autobacs Racing Team Aguri (ARTA) closed their GT300 team. apr, who operated ARTA's GT300 programme, signed ARTA drivers Morio Nitta and Shinichi Takagi to drive their number 101 Toyota MR-S sponsored by Toy Story Racing (through Run'A Entertainment).

• Tsugio Matsuda transferred from Honda to Nissan, where he joined two-time GT500 champion Satoshi Motoyama in the number 23 NISMO entry. Likewise, Sakon Yamamoto transferred from Toyota to Nissan to partner another two-time GT500 champion, Michael Krumm, in the NISMO number 22 car.
• Masataka Yanagida and two-time GT500 champion Érik Comas joined the new Kondo Racing team. Yanagida transferred from NISMO, and Comas transferred from Hasemi Motorsport.
• Naoki Yokomizo transferred from Toyota to Nissan and joined Hasemi Motorsport, who also signed reigning All-Japan Formula 3 champion João Paulo de Oliveira for his Super GT series debut.
• Kazuki Hoshino, son of Impul co-founder Kazuyoshi Hoshino, stepped up to GT500 to join Team Impul. Hoshino replaced Yuji Ide, who signed with Super Aguri F1 Team.
• Nakajima Racing and Honda signed two recent Formula 3 graduates to drive for them in 2006: Formula 3 Euroseries graduate Loïc Duval, and All-Japan F3 race winner Hideki Mutoh.
• 2005 GT300 championship runner-up Shinya Hosokawa was promoted to GT500 with Team Kunimitsu, partnering Sébastien Philippe.
• André Lotterer transferred from Honda to Toyota, and joined Toyota Team TOM's in their number 36 car. His new teammate was 2002 champion Juichi Wakisaka, who transferred from Toyota Team LeMans.
• In exchange for Wakisaka, Tatsuya Kataoka transferred from TOM's shuttered number 37 team to join Toyota Team LeMans, alongside 2002 co-champion Akira Iida.
• Takeshi Tsuchiya joined his father's team, Toyota Team Tsuchiya, after transferring from TOM's.
• Katsuyuki Hiranaka was promoted to GT500 with Toyota Team SARD, joining André Couto.

Scoring system

• Only the best five results in the first six races would be counted for the championship.
• There were no points awarded for pole position and fastest lap in the final race.

Rank Driver SUZ OKA FUJ SEP SUG SUZ MOT AUT FUJ PTS 1 André Lotterer Juichi Wakisaka 1 8 3 15 4 10 2 7 4 80 2 Shinya Hosokawa Sébastien Philippe 7 2 Ret 4 11 9 1 3 13 79 3 Takashi Kogure Ryo Michigami 4 1 Ret 6 Ret Ret 5 2 7 76 4 Michael Krumm 12 3 9 2 3 2 10 6 6 75 5 Yuji Tachikawa Toranosuke Takagi 5 5 Ret 12 1 7 3 5 Ret 71 6 Tsugio Matsuda Satoshi Motoyama 2 Ret 4 5 2 DSQ 14 1 11 69 7 Ralph Firman Daisuke Ito 3 7 8 1 8 6 15 11 14 68 8 Kazuki Hoshino Benoît Tréluyer 13 6 5 3 6 1 13 4 12 67 9 Naoki Hattori Peter Dumbreck 14 12 1 11 7 3 7 9 2 64 10 Richard Lyons 2 3 2 10 6 6 62 11 Loïc Duval Hideki Mutoh 15 Ret 7 9 5 4 8 12 1 51 12 Akira Iida Tatsuya Kataoka 6 11 2 14 9 Ret 4 13 5 41 13 Masataka Yanagida 10 10 10 8 10 5 6 14 3 34 14 Jérémie Dufour 1 32 15 João Paulo de Oliveira Naoki Yokomizo 9 4 12 7 13 8 11 8 8 32 16 Seiji Ara 10 5 6 14 3 28 17 Fabio Carbone 2 20 18 Érik Comas 10 10 10 8 5 18 19 Manabu Orido Takeshi Tsuchiya 8 9 6 10 12 Ret 12 15 9 18 20 Eiichi Tajima 3 16 21 Sakon Yamamoto 12 3 9 15 22 Toshihiro Kaneishi 6 13 23 André Couto Katsuyuki Hiranaka 11 13 11 13 Ret 11 9 10 10 13 24 Ronnie Quintarelli 7 9 25 Darren Manning 8 8 26 Adrian Sutil 10 6 27 Soheil Ayari 11 5 28 Hideki Noda Ret 5 Björn Wirdheim Ret 0 Yuji Ide DSQ 0 Rank Driver SUZ OKA FUJ SEP SUG SUZ MOT AUT FUJ PTS

Colour Result Gold Winner Silver Second place Bronze Third place Green Points finish Blue Non-points finish Non-classified finish (NC) Purple Retired (Ret) Red Did not qualify (DNQ) Did not pre-qualify (DNPQ) Black Disqualified (DSQ) White Did not start (DNS) Withdrew (WD) Race cancelled (C) Blank Did not practice (DNP) Did not arrive (DNA) Excluded (EX)

Source:[1]

Rank	Team	No.	SUZ	OKA	FUJ	SEP	SUG	SUZ	MOT	AUT	FUJ	Pts.
1	Toyota Team TOM'S	36	1	8	3	15	4	10	2	7	4	75
2	Nismo	22	12	3	9	2	3	2	10	6	6	70
3	Team Kunimitsu	100	7	2	Ret	4	11	9	1	3	13	65
4	Nismo	23	2	Ret	4	5	2	DSQ	14	1	11	64
5	Toyota Team Kraft	35	14	12	1	11	7	3	7	9	2	61
6	Team Impul	12	13	6	5	3	6	1	13	4	12	60
7	Toyota Team Cerumo	1	5	5	Ret	12	1	7	3	5	Ret	58
8	Team Honda Racing	18	4	1	Ret	6	Ret	Ret	5	2	7	58
9	Team Honda Racing	8	3	7	8	1	8	6	15	11	14	48
10	Nakajima Racing	32	15	Ret	7	9	5	4	8	12	1	48
11	Mobil 1 Toyota Team LeMans	6	6	11	2	14	9	Ret	4	13	5	36
12	Kondo Racing	24	10	10	10	8	10	5	6	14	3	33
13	Hasemi Motorsport	3	9	4	12	7	13	8	11	8	8	28
14	Toyota Team Tsuchiya	25	8	9	6	10	12	Ret	12	15	9	13
15	Toyota Team SARD	66	11	13	11	13	Ret	11	9	10	10	9
Rank	Team	No.	SUZ	OKA	FUJ	SEP	SUG	MOT	FUJ	AUT	SUZ	Pts.