Velozza STX, Mirada Crosstour SLX, Hifly HT601, Wild Trail Commercial LT and Trail Guide AP are examples of Sigma tire models, as of 2015. Sigma tires include passenger, SUV, commercial and performance tires. Sigma tires have varying load range, tire size, rim width and tread depth.
The Hifly HT601 model is ideal for light truck, SUV and commercial LT applications. It is an all-season tire that has a stylish five-rib tread design. Trail Guide AP tires are used for SUVs and pick-ups. It is also an all-season tire that features wide circumferential grooves for increased grip on wet surfaces. The Wild Trail Commercial LT model is an all-season tire that features a solid center rib for improved steering response.