Fuel Vector vs KMC GRS weight
Across the 4 sizes both are made in, the KMC GRS is lighter on average by 0.7 lb per wheel (2.9 lb for a set of four). It is lighter in 1 of 4 sizes.
| Size | Fuel Vector | KMC GRS | Difference |
|---|---|---|---|
| 17×8.5 | 31.0 lb (14.06 kg)ET-6 | 31.8 lb (14.43 kg)ET0 | 0.8 lb Vector lighter |
| 17×9 | 32.0 lb (14.52 kg)ET-12 | 32.8 lb (14.89 kg)ET18 | 0.8 lb Vector lighter |
| 18×9 | 41.0 lb (18.60 kg)ET6 | 35.2 lb (15.98 kg)ET-12 | 5.8 lb GRS lighter |
| 20×9 | 40.0 lb (18.14 kg)ET19 | 41.3 lb (18.71 kg)ET0 | 1.3 lb Vector lighter |
Each cell is the lightest offset made in that size. Weights are manufacturer figures unless marked as measured.
Fuel Vector
6 sizes listed here.
Price ↗ All Fuel Vector sizesKMC GRS
5 sizes listed here.
Price ↗ All KMC GRS 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.