Brock was most often associated with Holden for almost 40 years, although he raced vehicles of other manufacturers including BMW, Ford, Volvo, Porsche and Peugeot.

Brock made his debut at Bathurst in the 1969 Hardie-Ferodo 500 in a Holden HT Monaro GTS 350 alongside Des West, with the pair finishing third behind their winning HDT teammates Colin Bond and Tony Roberts.

Peter Brock also won the second (and last) Bathurst 24 Hour race in 2003 driving a 7.0L V8-powered Holden Monaro 427C for Garry Rogers Motorsport.

The two Monaros finished 12 laps in front of the third-placed Porsche 996 GT3 RC of Peter Fitzgerald, Paul Morris, John Teulan and Scott Shearman.

He won a total of 37 races during his career in the Australian Touring Car/V8 Supercar championships, a record only eventually equalled by Mark Skaife in 2006 and beaten in 2007.

Brock and the Holden Dealer Team worked in partnership, with full factory approval and assistance, to produce a number of high-performance modifications to the Commodores under existing CAMS Group C regulations from 1980 to 1987.

With the increasing costs of running two Sierras, and with the teams technical support from the UK-based Andy Rouse also stopping thanks to Rouse moving to drive for Toyota, Brock returned to driving a Holden in 1991, teaming with former HDT co-driver Perkins (who had left the HDT in mid-1985) to run a pair of VN SS Group A Commodores.

Brock claimed that scrutineering was almost non-existent at Macau, while Firth would describe Glemser's Capri and the Alfa Romeo GTA of third placed Hong Kong driver Albert Poon as "pretty damned rude" for not being strictly production cars as they were supposed to be.

Unlike several other Australian drivers, including Alan Jones and Larry Perkins, Brock did not seek a full-time racing career outside Australia.

He did attempt the 24 Hours of Le Mans three times in privateer vehicles, firstly in 1976 in the Team Brock BMW 3.0CSL which was bought in South Africa in late 1975 and shipped to Melbourne, where it was completely stripped and rebuilt.

While at the 1983 Australian Grand Prix meeting at Calder Park, sports car racer and 1976 Hardie-Ferodo 1000 winner John Fitzpatrick challenged Brock, that having won everything there was to win in Australia he should try his hand overseas with the 'big boys', meaning Le Mans.

With regular HDT co-driver Larry Perkins, Brock finished 21st at the 1000 km of Silverstone after spending time in the pits fixing a broken rear suspension.

Brock also drove a Vauxhall Magnum with British driver Gerry Marshall to a surprise second place in the 1977 Spa 24 Hours.

He also shocked many when he won the 1979 Repco Round Australia Trial driving for the HDT in a 6cyl Holden VB Commodore along with co-drivers Noel Richards and Matthew Philip.

The shock came as many in the motoring press regarded Brock as a circuit racer and seemed forgot about his extensive Rally and Rallycross experience with the Dealer Team in the early 1970s.

The Repco was a long-distance endurance rally that drove clockwise around Australia featuring some dirt road sections completely different to the circuit racing where he made his name.

He achieved a tenth Bathurst endurance win in 2003 at the Bathurst 24 Hour, when he won, with Greg Murphy, Jason Bright and Todd Kelly in his GRM Monaro, controversially powered by a 7.0L 427 cui V8 engine rather than the 5.7L Gen III as used by the production Monaro CV8 (the controversy came from no other car in Nations Cup being able to run a different size engine from the production model it was based on.

Triple Nations Cup champion Jim Richards labelled the Monaro as a "Better V8 Supercar" when it first appeared at the 2002 Bathurst 24 Hour).

He occasionally competed in various enthusiast-level motorsport events such as the Targa Tasmania with the Monaros he drove actually constructed by Holden Special Vehicles.

The most obvious sign of this association was the race car number 05 which related to the 0.05% blood alcohol limit in Victoria, which he utilised constantly from the mid-1970s.

[13] The overwhelming majority of the Australian motoring community regarded the device as pseudoscience,[14] and Brock's promotion of it drove away HDT drivers like John Harvey, Allan Moffat and Larry Perkins.

During this period, Brock also became involved in the importation and even the modification of the Lada Samara, a cheap Soviet-built hatchback a world away from the high-performance V8-powered Commodores he was famous for.

[15] After his work with Lada, Brock, during the period 1988–1990 sold around 200 personally modified EA-series Ford Falcons, Fairmont Ghias, Fairlanes and Mavericks through Austech Automotive Developments.

When not racing he often appeared on New Zealand television screens as a presenter; hosting motoring shows such as TV3's Police Stop (1996–1998) and TVNZ's Love That Car (2000).

[19] He announced to a packed race track he was forming 'The Peter Brock Foundation', a philanthropic organisation funded by corporate sponsors and donations from the public.

As the lead driver for the Holden Dealer Team in a succession of both 6 and 8 cylinder Holden Toranas and later, V8 Commodores Brock became a household name that transcended motor racing as he emerged to be one of the best-known modern Australia and New Zealand racing drivers, spoken of with the same reverence as Formula One World Champions Jack Brabham, Alan Jones and Denny Hulme.

[20] His public standing was dented by controversy over his promotion of the "Energy Polariser" and domestic violence allegations levelled by an ex-wife, with calls to keep him out of the Australian Motor Sport Hall of Fame.

[30][31] Brock, who lived hard in his early years, changed his lifestyle considerably after the failed 1984 Le Mans attempt left him physically and emotionally drained.

[34] On 8 September 2006, while driving in the Targa West '06 rally, Brock was 3 kilometres (1.9 mi) from the finish of the second stage of the race at Gidgegannup, about 40 kilometres (25 mi) from Perth, Western Australia,[35] when he skidded off a downhill left-hand bend on Clenton Road for over 50 metres (160 ft; 55 yd) in his 2001 Daytona Sportscar[36] and hit a tree sideways, in the driver's door.

[49] A two-part television miniseries entitled Brock was aired on Network Ten in October 2016, with Matthew Le Nevez playing the title character.