Season summary
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The championship was dominated by those driving the Ford Sierra RS500, specifically the Shell Ultra-Hi Racing Sierras of Dick Johnson and John Bowe. Between them the pair won eight of the nine rounds with team owner Johnson winning his 4th touring car championship. Tony Longhurst was the only other driver to win a round in his Freeport Racing Sierra. Longhurst won Round 6 at Lakeside from Johnson after Dick was penalised 1 minute for jumping the start.
With Sierras winning each round of the championship, 1988 was the first time since the Holden Torana A9Xs of 1979 that a single model car had won each round of the championship. Up to and including the 2016 V8 Supercar Championship Series, such single model domination has not been seen since in Australian touring car racing.
Due to the speed and increased reliability of the near 500 bhp (373 kW; 507 PS) turbocharged Sierras, the 300 bhp (224 kW; 304 PS), 2.3 L, Naturally aspirated BMW M3, now being run by Peter Brock's Mobil 1 Racing was reduced to a class car rather than the outright winner it was in 1987. Defending champion Jim Richards, new to the Mobil team in 1988 (though he had previously driven for the team as Brock's winning co driver at Bathurst from 1978 to 1981 when it was known as the Holden Dealer Team), had a best finish of 3rd at Winton, while Brock could finish no higher than 4th in the dry-wet-dry round at Wanneroo Park despite being one of the few drivers to remain on slicks after the rain caused mayhem and mid-race restart. Unfortunately for the Mobil team, the advantage the M3s had in both handling and brakes was not enough to combat the outright power of the Sierras.
After two seasons with the old Skyline DR30 RS, Nissan debuted their new turbocharged, Straight-6, Skyline HR31 GTS-R for 1987 drivers Glenn Seton and George Fury and were expected to challenge the Sierras. However, the team's testing and development of the GTS-R was in the races due to the late arrival of parts from Japan and the 400 bhp (298 kW; 406 PS) cars did not have the speed or reliability of the Fords with a best finish of 3rd for Fury at Amaroo Park. Unfortunately for Fred Gibson's team, the Australian racing program had fallen behind both the Japanese domestic scene as well as the European Touring Car Championship (ETCC) campaign run by Howard Marsden in importance to Nismo in 1988 and as such the Gibson Team had a late arrival for their cars and did not appear until Round 5 in Adelaide with a single car for Fury (to keep his eye in, Seton actually drove a Nissan powered Ralt RT4 in a one-off appearance and won the Adelaide round of the Australian Drivers' Championship that weekend). Other problems for the new Skyline turbos included the cars being approximately 70 kg (150 lb) over their homologated 1,100 kg (2,400 lb) weight, a production rather than racing (Getrag) gear box which developed a bad habit of locking in gear under the greater stress of racing, as well as the straight rather than V6 engine which, with two of the six cylinders being over the front axle caused understeer (similar to the old BMW 635) which the team took some time to overcome. After Adelaide, Fury and Seton then alternated drives in the team's car until a second Skyline appeared at the penultimate round at Amaroo. Fury then stepped aside at the final round at Oran Park to allow 1987 Australian 2.0 Litre Champion Mark Skaife to drive in his ATCC debut. Seton, who had finished second in the 1987 ATCC, would finish the series in 15th place while Fury fared marginally better finishing 13th.
Delays in the building of the new fuel injected Holden VL Commodore SS Group A SV also saw to it that the factory Holden challenge, headed by Larry Perkins and his team in the 1987 model 'HDT' VL with backing from Holden Special Vehicles, was almost non-existent. Perkins best finish was 3rd at Sandown in Round 7, greatly helped by the number of retirements from the front running Sierras and the still bug riddled Nissan driven that weekend by Fury. Although supported by numerous privateer Commodores (most of whom were driving customer cars built by Perkins Engineering), Perkins played virtually a lone hand for Holden as regular Commodore racer Allan Grice (Roadways) was racing a GTS-R for Nissan in the ETCC and Brock was now racing for BMW. Although the Commodore was producing approximately 450 bhp (336 kW; 456 PS) from its V8 engine, as usual its weight (1,325 kg (2,921 lb), over 200 more than the Sierra and Nissan and around 350 more than the BMW's) saw the big car unable to live with the lighter turbocharged Sierra's, the short of development Skylines and the nimble M3's in the shorter races on the tighter tracks used in the championship with tyres and brakes being the usual issues. Perkins' own retirement in 3 of the 8 rounds also killed any chance of a Holden driver taking the series from the all-conquering Fords.
1988 saw the last ever ATCC race held at the 2.41 km (1.50 mi) Adelaide International Raceway (AIR), which had held at least one round of the series every year since the circuit opened in 1972, with victory predictably going to the Ford Sierra RS500 of Dick Johnson (with John Bowe finishing 2nd it was the Shell Team's third 1–2 in just 5 rounds). From 1989, the South Australian round of the series would be held at the track AIR replaced on the ATCC calendar in 1972, Mallala Motor Sport Park.
The year also saw four-time champion Allan Moffat return to the series for the first time since 1984. Moffat had managed to convince Ruedi Eggenberger to build him a customer Sierra RS500 to run in Australia. With sponsorship from ANZ Bank, Allan Moffat Racing joined the series from Round 4 at Wanneroo Park. Running a conservative program while his team learned about the Sierra, Moffat did not have the pace of the Johnson cars, or the Sierras of Tony Longhurst, Andrew Miedecke and Colin Bond (who was racing in the outright category of the ATCC for the first time since 1978). Moffat's best finish was third in Round 6 at Lakeside. Despite the disqualification of the Eggenberger Sierras at the 1987 James Hardie 1000, Moffat had no problems with scrutineering, unlike 1986 ATCC champion Robbie Francevic whose Sierra, built in West Germany by Walter Wolf Racing, raced under protest in Round 3 at Winton before the car was ruled illegal before the start of practice for Round 5 at Adelaide. Although Francevic contended his car was legal, they were his only appearances in the championship.
