Most energy-efficient 255/25 ZR21 (2026)

By energy class: D 2

1. 1D
   Accelera IOTA EVT (1M2680)

   wet grip B · 71 dB
2. 2D
   Accelera PHI - R (1M2043)

   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