Enkei RPF1 vs Konig Ultragram weight
Across the 8 sizes both are made in, the Enkei RPF1 is lighter on average by 1.4 lb per wheel (5.5 lb for a set of four). It is lighter in 7 of 8 sizes.
| Size | Enkei RPF1 | Konig Ultragram | Difference |
|---|---|---|---|
| 15×7 | 9.6 lb (4.38 kg)ET41 | 11.8 lb (5.33 kg)ET30 | 2.1 lb RPF1 lighter |
| 15×8 | 11.3 lb (5.15 kg)ET28 | 12.5 lb (5.67 kg)ET36 | 1.2 lb RPF1 lighter |
| 17×8 | 16.0 lb (7.28 kg)ET45 | 17.0 lb (7.70 kg)ET45 | 0.9 lb RPF1 lighter |
| 17×9 | 15.7 lb (7.10 kg)ET45 | 18.1 lb (8.20 kg)ET40 | 2.4 lb RPF1 lighter |
| 17×10 | 16.9 lb (7.67 kg)ET38 | 19.0 lb (8.60 kg)ET48 | 2.1 lb RPF1 lighter |
| 18×8.5 | 18.8 lb (8.55 kg)ET40 | 18.3 lb (8.31 kg)ET42 | 0.5 lb Ultragram lighter |
| 18×9.5 | 17.4 lb (7.89 kg)ET45 | 18.5 lb (8.41 kg)ET40 | 1.1 lb RPF1 lighter |
| 18×10.5 | 19.1 lb (8.64 kg)ET15 | 20.8 lb (9.42 kg)ET24 | 1.7 lb RPF1 lighter |
Each cell is the lightest offset made in that size. Weights are manufacturer figures unless marked as measured.
Enkei RPF1
Flow-formed, 18 sizes listed here.
Price ↗ All Enkei RPF1 sizesKonig Ultragram
Flow-formed, 10 sizes listed here.
Price ↗ All Konig Ultragram sizesIs the weight difference worth it?
A pound saved at the wheel counts for more than a pound saved in the car, because it also has to be spun up and slowed down. Here's how much it really matters.