Sonix 2KSNA397

Tyre · model 2KSNA397 · on the market since 30 January 2026

How it compares

Compared with 319 255/40ZR20 on the EU register:

Rolling noise70 dBlower than 86%

Energy label values

Energy efficiency class	D on the A–E scale
Designation	255/40ZR20 101 W XL
Size	255/40ZR20
Rim	20″
Load index	101
Speed rating	W
Wet grip class	C
Rolling noise	70 dB
Noise class	B
Severe snow (3PMSF)	No
Ice grip	No
Tyre class	C1

Lifespan & repair

Registration history

7 February 2026 First published in the EU energy label register (EPREL)
30 January 2026 Placed on the EU market

Other Sonix models: 255/40ZR20

C
Sonix 2ESN881
wet grip C · 72 dB
D
Sonix 2KSNA397F
wet grip C · 70 dB
D
Sonix 2KSNA693
wet grip C · 69 dB
C
Sonix 2KSNA693N
wet grip B · 69 dB
C
Sonix 2KSNA397N
wet grip C · 70 dB

All Sonix tyres →

Source: EU energy label register (EPREL), registration 2626104. Values are as declared by the supplier. YearlyCost is not affiliated with the European Commission or Sonix.