Arion Lightning vs Sonex SONEX

The Arion Lightning and Sonex are sport kits — the Arion a refined composite two-seater, the Sonex a low-cost metal sport airplane.

Live Market Snapshot

Current asking-price market, aggregated across multiple marketplaces · re-checked on a rolling daily cycle

Arion Lightning
For sale now
1
Model years available
2011–2011
Sonex SONEX
For sale now
3
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)Arion LightningSonex SONEX
All events22
Serious20
Fatal01
Fatalities01
% Fatal0%50%

Full Specs Comparison

Swipe to see all specs
Spec / Model Arion Lightning Sonex SONEX
Arion Lightning
View 1 listings →
Median $78,000
Sonex SONEX
View 3 listings →
Median $23,000
Price Range $78,000 $21,682 – $33,800
Category Experimental Experimental
Model Specifications
Seats 2 2
Horsepower 120 HP 80 HP
Cruise Speed 150 kts (278 km/h) 130 kts (241 km/h)
Range 700 nm (1,296 km) 550 nm (1,019 km)
Service Ceiling 15,000 ft (4,572 m) 14,000 ft (4,267 m)
Useful Load 550 lbs (249 kg) 500 lbs (227 kg)
Fuel Burn 6.0 GPH (23 L/h) 5.0 GPH (19 L/h)
Engines 1 x Piston 1 x Piston

Which Should You Buy: Arion Lightning or Sonex SONEX?

Bottom line: Choose the Sonex for lowest-cost build; choose the Arion for a more refined composite cruiser. Sonex = budget; Arion = refined/composite.

Pick the Lightning if…

  • Faster cruise — 150 kts vs 130 kts.
  • Longer range — 700 nm vs 550 nm.

Pick the SONEX if…

  • Budget matters — from $21,682 vs $78,000, you save ~$56,318.
  • More inventory — 3 listings vs 1.

Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.

Frequently Asked Questions

Which is better, Arion Lightning or Sonex SONEX?
It depends on your mission and budget. The Lightning cruises at 150 kts with 700 nm range. The SONEX cruises at 130 kts with 550 nm range. Review the specs table above to find which fits your flying profile.
How do prices compare?
Arion Lightning: from $78,000. Sonex SONEX: from $21,536. Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Arion Lightning and Sonex SONEX?
Cruise: 150 vs 130 kts. Range: 700 vs 550 nm.
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?
Lightning: 2 seats / 550 lb useful load. SONEX: 2 seats / 500 lb useful load. 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 re-checked on a rolling cycle — most within a few days · Data: FAA Registry, NTSB · About our data