Altis Powersports Sigma-Mx vs Harley Davidson Nightster

Searchshop currently shows 6 listings for the Altis Powersports Sigma-Mx from 1 dealer alongside 2 listings for the Harley Davidson Nightster from 2 dealers, with prices and dealer locations updated continuously. On price, the Altis Powersports Sigma-Mx runs roughly 41% below the Harley Davidson Nightster at the median ($5,399 vs $9,147), which adds up across the typical loan term. Listings span model years 2025–2025 for the Altis Powersports Sigma-Mx and 2022–2026 for the Harley Davidson Nightster, so there's flexibility on both sides whether you're cross-shopping new, late-model, or used.

A live-data comparison like Altis Powersports Sigma-Mx vs Harley Davidson Nightster gives motorcycles buyers a more realistic picture than spec sheets alone — the prices shown here reflect actual dealer asking prices, not MSRP. When evaluating motorcycles at this price point, experienced buyers typically weigh engine displacement, recorded miles, service records, and tire condition alongside the headline number. The Altis Powersports Sigma-Mx currently carries the lower median asking price, which compounds meaningfully over a 48-to-72-month financing term — even a modest gap per month adds up to hundreds of dollars by payoff. Broader selection from the Altis Powersports Sigma-Mx side gives buyers more negotiating room and reduces the chance of settling on a unit that's slightly off on color, trim, or mileage. Check both the front and rear tires for uneven wear patterns that can signal suspension problems, and confirm the chain or belt tension and sprocket condition — overlooked wear items that add up quickly after purchase. Gear, insurance, and seasonal storage costs are part of the true cost of ownership for motorcycles; riders in colder climates especially should factor in the carrying cost of a unit that may sit unused for several months each year. Listings refresh continuously as dealers update their feeds — check back if a specific motorcycles you're tracking changes in price or status.