1980 D3 cars were remodeled as D4 by Gustav Brunner and Tim Wardrop based on Williams FW07 design. Dutch driver Jan Lammers failed to qualify twice in four attempts before he was replaced by Slim Borgudd.
| Season | Series | Event |
| 1981 | F1WC | USA West GP |
| Driver | No. | Entrant |
| Jan Lammers | 9 | Team ATS |
| Scale | Manufacturer | Collection |
| 1:43 | Spark | GP World Special Edition |
| Cat. No. | Quality | Rarity |
| GPWS1981 | 
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