Diamond HK36 Dimona vs Grob G109
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · refreshed daily
Diamond HK36 Dimona
- For sale now
- 6
- Model years available
- 1986–2009
Grob G109
- For sale now
- 10
- Model years available
- 1980–1990
Live data from AeroGurus, aggregated daily across the used-aircraft market. Figures are current asking prices, not appraisals — confirm with a pre-buy inspection.
Full Specs Comparison
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| Spec / Model | Diamond HK36 Dimona | Grob G109 |
|---|---|---|
|
Median $48,887
|
|
| Price Range | $50,109 – $202,536 | $40,739 – $64,645 |
| Category | Gliders | — |
| Model Specifications | ||
| Seats | 2 | 2 |
| Horsepower | 80 HP | 95 HP |
| Cruise Speed | 98 kts (181 km/h) | 100 kts (185 km/h) |
| Range | 590 nm (1,093 km) | 430 nm (796 km) |
| Service Ceiling | 18,000 ft (5,486 m) | 16,000 ft (4,877 m) |
| Max Gross Weight | 1,698 lbs (770 kg) | — |
| Useful Load | 450 lbs (204 kg) | 500 lbs (227 kg) |
| Fuel Burn | 4.0 GPH (15 L/h) | 5.0 GPH (19 L/h) |
| Engines | 1 x Piston | 1 x Piston |
Which Should You Buy: Diamond HK36 Dimona or Grob G109?
Pick the HK36 Dimona if…
- Longer range — 590 nm vs 430 nm.
Pick the G109 if…
- Budget matters — from $40,739 vs $50,109, you save ~$9,370.
- Faster cruise — 100 kts vs 98 kts.
Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.
Frequently Asked Questions
Which is better, Diamond HK36 Dimona or Grob G109?
It depends on your mission and budget.
The HK36 Dimona cruises at 98 kts with 590 nm range.
The G109 cruises at 100 kts with 430 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Diamond HK36 Dimona and Grob G109?
Cruise: 98 vs 100 kts.
Range: 590 vs 430 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?
HK36 Dimona: 2 seats / 450 lb useful load.
G109: 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 updated daily · Data: FAA Registry, NTSB · About our data