Most energy-efficient 275/40 ZR21 (2026)

By energy class: C 5

1. 1C
   Kumho 2407063

   wet grip A · 73 dB
2. 2C
   Petlas 288360

   wet grip A · 70 dB
3. 3C
   Starmaxx 588360

   wet grip A · 70 dB
4. 4C
   Accelera IOTA - ST68 (1M2217)

   wet grip C · 68 dB
5. 5C
   Accelera X GRIP 4S 2 (1M2791)

   wet grip B · 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