The Brabham BT18 was a racing car that was produced by Brabham and built in the mid-1960s. BT denoted the first letter of both of the designers, Jack Brabham and Ron Tauranac.
The BT18 was a Formula 2 and Formula 3 racing car.
Two vehicles, F2-18-66 and F2-19-66, were used by the Brabham works team with Honda engines.
In total, only 46 cars were produced.
Jack Brabham won the 1966 Formula 2 Championship
The 1965 Mexican race was the last Grand Prix of the season, and also the last Formula One race using normally aspirated 1.5 litre displacement engines. The Honda RA272 won the race, driven by Richie Ginther. Honda was the first Japanese car manufacturer to participate in Formula One racing and this was their first victory since 1964 in Germany. The RA272 has a high tech and powerful, transversely mounted V-12 cylinder engine yielding 220+ horsepower.
Ginther took the lead just after the start and recorded a perfect win without loosing the top position throughout the race.