The Swede took 6th place at the high-attrition British Grand Prix, the D4 having by now been replaced by the HGS1, designed by Hervé Guilpin, but otherwise results were poor, and non-qualifications frequent.
Pembalap Swedia tersebut berhasil memperoleh posisi keenam di Grand Prix F1 Inggris 1981, dan D4 saat itu telah digantikan dengan HGS1, yang dirancang oleh Hervé Guilpin, namun hasilnya masih tetap buruk, dan sering kali gagal kualifikasi.