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|Chassis||Steel spaceframe, Fiberglass body|
|Suspension (front)||Double wishbones, coil springs over dampers, anti-roll bar|
|Suspension (rear)||Double wishbones, twin radius-arms, coil springs over dampers, anti-roll bar|
|Engine||Repco Type 620 2,994 cc (182.7 cu in) 90° V8 NA mid-engined, longitudinally mounted|
|Transmission||Hewland 5 speed MT|
|Weight||150 kg (330.7 lb)|
|Notable drivers|| Jack Brabham|
Peter de Klerk
|Debut||1966 French Grand Prix|
|n.b. Unless otherwise stated, all data refer to|
Formula One World Championship Grands Prix only.
The Brabham BT20 is a Formula One car used by the Brabham Formula One team in 1966 and 1967, as well as a number of privateers from 1967 to 1969. The BT20 was the direct successor to the Brabham BT19 which was driven to the World Constructors' title in 1966.
The BT20 was driven in 7 out of the 9 races of Brabham's Constructors' Championship winning season in 1966, and the first three races en route to another championship in 1967.
The BT20 was very successful in these seasons, scoring 7 podiums and one win (at the 1967 Monaco Grand Prix) in its first 10 entries.
The BT20 was succeeded by the Brabham BT24.
Complete Formula One World Championship results
(key) (results in bold indicate pole position; results in italics indicate fastest lap)
|1966||Brabham Racing Organisation||Repco 3.0 V8||G||MON||BEL||FRA||GBR||NED||GER||ITA||USA||MEX||42 (49)**||1st|
|1967||Brabham Racing Organisation||Repco 3.0 V8||G||RSA||MON||NED||BEL||FRA||GBR||GER||CAN||ITA||USA||MEX||63 (67)**||1st|
|Guy Ligier||Guy Ligier||10||8*||Ret||Ret||11|
|1968||Team Gunston||Repco 3.0 V8||RSA||ESP||MON||BEL||NED||FRA||GBR||GER||ITA||CAN||USA||MEX||10**||8th|
|Charles Vögele Racing||G||Silvio Moser||DNQ||5||NC||DNQ|
|1969||Jack Holme||Repco 3.0 V8||G||RSA||ESP||MON||NED||FRA||GBR||GER||ITA||CAN||USA||MEX||0||-|
|Peter de Klerk||NC|
* Ligier finished 8th in the 1967 German Grand Prix, but was awarded the point for 6th place as the two F2 drivers who finished ahead of him on the road were ineligible to score points
** Only 6 of the points which counted towards Brabham-Repco's 1966 Championship total were scored using the BT20; the remainder were scored using the BT19. Only 13 of the points which counted towards Brabham-Repco's 1967 Championship total were scored using the BT20; the remainder were scored using the BT19 and BT24. Only 2 of Brabham-Repco's 1968 points were scored using the BT20; the remainder were scored using the BT24 and BT26.