Quad City LIKE NEW CHALLENGER II HKS 700 vs Sonex SONEX

Live Market Snapshot

Current asking-price market, aggregated across multiple marketplaces · refreshed daily

Quad City LIKE NEW CHALLENGER II HKS 700

No active listings right now.

Sonex SONEX
For sale now
2
Source marketplaces
2
Model years available
2011–2023

Live data from AeroGurus, aggregated daily across the used-aircraft market. Figures are current asking prices, not appraisals — confirm with a pre-buy inspection.

Safety Record

Absolute counts scale with fleet size — the most-produced types log more events without being less safe. Compare the % fatal.

NTSB (1982–now)Quad City LIKE NEW CHALLENGER II HKS 700Sonex SONEX
All events2
Serious0
Fatal1
Fatalities1
% Fatal50%

Full Specs Comparison

Swipe to see all specs
Spec / Model Quad City LIKE NEW CHALLENGER II HKS 700 Sonex Sonex
Quad City LIKE NEW CHALLENGER II HKS 700
View 1 listings →
Median $21,999
Sonex SONEX
View 2 listings →
Median $29,000
Price Range $21,999 $23,600 – $34,400
Category Experimental Experimental
Model Specifications
Seats 1
Engines 1 x Piston

Frequently Asked Questions

Which is better, Quad City LIKE NEW CHALLENGER II HKS 700 or Sonex Sonex?
It depends on your mission and budget. Review the specs table above to find which fits your flying profile.
How do prices compare?
Quad City LIKE NEW CHALLENGER II HKS 700: from $21,999. Sonex Sonex: from $23,000. Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Quad City LIKE NEW CHALLENGER II HKS 700 and Sonex SONEX?
Which is cheaper to operate per hour?
Variable cost includes fuel, reserves and overhaul accruals. Annual fixed costs (hangar, insurance, annual inspection) add to the total.
Which has more seats and useful load?
SONEX: 1 seats. Useful load = max gross weight minus empty weight; it determines how much fuel plus payload you can carry.
How does maintenance compare — TBO and overhaul cost?
Reaching the time-between-overhaul (TBO) triggers a mandatory engine/airframe rebuild that affects resale value.
Disclaimer: All prices and cost estimates are from third-party sources for informational purposes only. Always obtain professional appraisal and inspection before purchase.
Prices updated daily · Data: FAA Registry, NTSB · About our data