Apex ARC-8 vs Enkei RPF1 weight
Across the 9 sizes both are made in, the Enkei RPF1 is lighter on average by 1.2 lb per wheel (4.7 lb for a set of four). It is lighter in 8 of 9 sizes.
| Size | Apex ARC-8 | Enkei RPF1 | Difference |
|---|---|---|---|
| 17×8 | 17.9 lb (8.12 kg)ET20 | 16.0 lb (7.28 kg)ET45 | 1.8 lb RPF1 lighter |
| 17×8.5 | 16.5 lb (7.48 kg)ET20 | 16.3 lb (7.39 kg)ET40 | 0.2 lb RPF1 lighter |
| 17×9.5 | 16.9 lb (7.69 kg)ET35 | 16.3 lb (7.37 kg)ET38 | 0.7 lb RPF1 lighter |
| 17×10 | 18.5 lb (8.37 kg)ET25 | 16.9 lb (7.67 kg)ET38 | 1.5 lb RPF1 lighter |
| 18×8.5 | 18.5 lb (8.37 kg)ET38 | 18.8 lb (8.55 kg)ET40 | 0.4 lb ARC-8 lighter |
| 18×9 | 18.0 lb (8.19 kg)ET30 | 17.1 lb (7.76 kg)ET35 | 1.0 lb RPF1 lighter |
| 18×9.5 | 19.2 lb (8.71 kg)ET22 | 17.4 lb (7.89 kg)ET45 | 1.8 lb RPF1 lighter |
| 18×10 | 19.9 lb (9.05 kg)ET25 | 18.5 lb (8.37 kg)ET38 | 1.5 lb RPF1 lighter |
| 18×10.5 | 21.4 lb (9.71 kg)ET22 | 19.1 lb (8.64 kg)ET15 | 2.4 lb RPF1 lighter |
Each cell is the lightest offset made in that size. Weights are manufacturer figures unless marked as measured.
Apex ARC-8
Flow-formed, 17 sizes listed here.
Price ↗ All Apex ARC-8 sizesEnkei RPF1
Flow-formed, 18 sizes listed here.
Price ↗ All Enkei RPF1 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.