Radar Dimax R8 RFT
EU tyre label for every size: 9 sizes of this summer tyre compared with the rest of the market
The Radar Dimax R8 RFT is a summer tyre for passenger cars. Its supplier has registered it in the EU product database (EPREL) in 9 sizes (9 registrations including load and speed variants), for 17″ to 19″ rims.
Wet grip is rated B in every size, fuel efficiency D and external rolling noise 71–72 dB.
On the EU market since August 2018; the earliest production week registered is 34/2018.
How it compares in its sizes
We compared each size with all other summer tyres of the same size and class in EPREL (9 sizes had at least four rivals). A size scores when its label is at least as good as 75% of them.
Strongest point: wet grip.
What the label means on the road (245/45ZRF18)
Example: the 245/45ZRF18 size, compared with the 60 other summer tyres registered in this size.
Wet braking from 80 km/h
≈37 m with wet grip class B, the most common class in this size.
Fuel efficiency
Class D, the most common class in this size: no difference to the typical tyre.
Rolling noise
72 dB against a median of 71 dB in this size (1 dB louder).
Estimates from the class ranges in Regulation (EU) 2020/740. A label class is a range, so a real tyre can sit anywhere inside it. Every 3 dB doubles the sound energy.
All 9 sizes
The small figure under each class is the share of same-size, same-season tyres this size matches or beats (“–” when fewer than five tyres share the size).
| Size | Load / speed | Wet | Fuel | Noise | Snow / ice | Production from |
|---|---|---|---|---|---|---|
| 17″ rims | ||||||
| 205/45ZRF17 | 84W | B100% | D77% | 71 dBB57% | — | 43/2018 |
| 205/50ZRF17 | 89W | B100% | D90% | 71 dBB71% | — | 34/2018 |
| 225/45ZRF17 | 91W | B97% | D84% | 71 dBB77% | — | 43/2018 |
| 225/50RF17 | 94V | B90% | D95% | 71 dBB75% | — | 43/2018 |
| 18″ rims | ||||||
| 225/40ZRF18 | 88W | B95% | D79% | 71 dBB75% | — | 43/2018 |
| 245/40ZRF18 | 93Y | B98% | D85% | 71 dBB88% | — | 43/2018 |
| 245/45ZRF18 | 100Y XL | B99% | D82% | 72 dBB43% | — | 43/2018 |
| 19″ rims | ||||||
| 225/35ZRF19 | 88Y XL | B100% | D100% | 72 dBB45% | — | 43/2018 |
| 245/40ZRF19 | 94Y | B100% | D93% | 71 dBB95% | — | 43/2018 |
Best-labelled summer tyres in 245/45ZRF18
Other tyres on sale in the same size, sorted by wet grip, then noise, then fuel efficiency.
All tyres in 245/45 ZRF18, ranked by label →
- Nankang AS-2+A D 71 dB
- Invovic EL601B C 69 dB
- Firemax FM601B C 69 dB
- Kpatos FM601B C 69 dB
- Gremax Capturar CF19B C 69 dB
- Maxxis M36+B D 69 dB
Questions
Is the Radar Dimax R8 RFT a quiet tyre?
Its declared rolling noise ranges from 71 dB to 72 dB (median 71 dB). In 56% of the sizes we could compare, it is at least as quiet as three quarters of same-size rivals.
How good is the Radar Dimax R8 RFT in the wet?
Its wet grip class is B. In 100% of compared sizes that is at least as good as three quarters of same-size rivals.
Is the Radar Dimax R8 RFT suitable for snow?
No size carries the 3PMSF symbol, so it is not certified for severe snow. In countries with winter tyre rules it does not count as a winter tyre.
When was the Radar Dimax R8 RFT launched?
It has been on the EU market since August 2018. The earliest production week in its registrations is 34/2018; the DOT code on the sidewall shows the week and year of your tyre.
More from Radar
Source: EPREL, the European Commission’s product registry for energy labelling — 9 registrations, data as of 25 October 2026. Suppliers have updated 1 of these registrations since first publication. Label values are the supplier’s declaration.