Apex SM-10RS vs Konig Ampliform weight
Across the 10 sizes both are made in, the Apex SM-10RS is lighter on average by 3.6 lb per wheel (14.2 lb for a set of four). It is lighter in 10 of 10 sizes.
| Size | Apex SM-10RS | Konig Ampliform | Difference |
|---|---|---|---|
| 17×8 | 15.8 lb (7.17 kg)ET40 | 17.4 lb (7.90 kg)ET45 | 1.6 lb SM-10RS lighter |
| 17×9 | 16.6 lb (7.53 kg)ET35 | 20.0 lb (9.05 kg)ET40 | 3.4 lb SM-10RS lighter |
| 18×9 | 18.0 lb (8.16 kg)ET30 | 21.0 lb (9.55 kg)ET15 | 3.0 lb SM-10RS lighter |
| 18×9.5 | 18.3 lb (8.30 kg)ET22 | 20.3 lb (9.20 kg)ET35 | 2.0 lb SM-10RS lighter |
| 18×10 | 18.6 lb (8.44 kg)ET25 | 21.3 lb (9.64 kg)ET20 | 2.6 lb SM-10RS lighter |
| 19×9.5 | 19.2 lb (8.71 kg)ET22 | 23.1 lb (10.50 kg)ET35 | 3.9 lb SM-10RS lighter |
| 19×10 | 19.5 lb (8.85 kg)ET25 | 23.6 lb (10.69 kg)ET28 | 4.1 lb SM-10RS lighter |
| 19×10.5 | 19.7 lb (8.94 kg)ET44 | 25.5 lb (11.55 kg)ET23 | 5.8 lb SM-10RS lighter |
| 20×10 | 20.2 lb (9.16 kg)ET8 | 26.8 lb (12.13 kg)ET48 | 6.5 lb SM-10RS lighter |
| 20×11 | 21.0 lb (9.53 kg)ET18 | 23.6 lb (10.70 kg)ET50 | 2.6 lb SM-10RS lighter |
Each cell is the lightest offset made in that size. Weights are manufacturer figures unless marked as measured.
Apex SM-10RS
Forged, 21 sizes listed here.
Price ↗ All Apex SM-10RS sizesKonig Ampliform
Flow-formed, 14 sizes listed here.
Price ↗ All Konig Ampliform 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.