The Honda RA273 was a Formula One racing car used by the Honda team in the 1966 and 1967 Formula One seasons.

Honda RA273
CategoryFormula One
ConstructorHonda
PredecessorRA272
SuccessorRA300
Technical specifications
EngineHonda RA273E 3 Litre V12
TyresGoodyear (1966)
Firestone (1967)
Competition history
Notable entrantsHonda Racing
Notable driversUnited States Richie Ginther
United States Ronnie Bucknum
United Kingdom John Surtees
Debut1966 Italian Grand Prix
RacesWinsPolesF/Laps
9001
n.b. Unless otherwise stated, all data refer to
Formula One World Championship Grands Prix only.

The engine was re-designed from the RA272's 1,500cc V12 to a brand new 3,000cc V12 due to the change of regulations before the 1966 season. The new engine was designed by Shoichiro Irimajiri.

Formula One World Championship results

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(key) (Races in italics indicate fastest lap)

Year Entrant Engines Drivers Tyres 1 2 3 4 5 6 7 8 9 10 11 WDC Pts.
1966 Honda R & D Company Honda V12 G MON BEL FRA GBR NED GER ITA USA MEX 3 8th
Ronnie Bucknum Ret 8
Richie Ginther Ret NC 4
1967 Honda R & D Company Honda V12 F RSA MON NED BEL FRA GBR GER CAN ITA USA MEX 201 4th
John Surtees 3 Ret Ret Ret 6 4

1 Only 8 of the 20 points were scored with the Honda RA273; the remainder were scored with the Honda RA300

Non-Championship Formula One results

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(key)

Year Entrant Engine Driver Tyres 1 2 3 4 5 6
1967 Honda R & D Company Honda V12 F ROC SPC INT SYR OUL ESP
John Surtees Ret 3
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