Most energy-efficient 255/30 ZR21 (2026)

By energy class: C 3 · D 3

1. 1C
   Accelera IOTA EVT ( 1M2666)

   wet grip B · 71 dB
2. 2C
   Accelera PHI (1M349)

   wet grip C · 72 dB
3. 3C
   Accelera PHI (1M411)

   wet grip C · 72 dB
4. 4D
   KUMHO Ecsta Sport S 2349593

   wet grip A · 72 dB
5. 5D
   Kumho 2413643

   wet grip A · 72 dB
6. 6D
   Forceum PHI (1M3264)

   wet grip C · 72 dB

Ranked by annual energy consumption; running cost at the EU average household price. Open a model to see the cost in your country. Methodology