[4] The chassis was configured with double wishbone pullrod suspension, front and rear, with Koni dampers.

[3] Having run a single car for Andrea de Cesaris the previous season, Rial Racing expanded to two entries for 1989.

De Cesaris had moved to BMS Scuderia Italia for 1989 and was replaced with the relatively experienced German Christian Danner.

[1] Danner comfortably qualified his ARC2 17th on the grid at the season opening Brazilian Grand Prix and went on to be classified 14th in the race itself despite retiring with gear box issues.

[1] Danner failed to make the grid for the next seven races and left the team after the Portuguese Grand Prix.