Diamond DA42 vs Diamond DA50 RG
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · refreshed daily
Diamond DA42
- For sale now
- 46
- Median asking
- $699,900
- Range
- $520,774–$1,100,160
- Listed on 2+ marketplaces
- 20
- Source marketplaces
- 7
- Model years available
- 2005–2026
Diamond DA50 RG
- For sale now
- 28
- Median asking
- $1,159,000
- Range
- $894,146–$1,409,050
- Listed on 2+ marketplaces
- 16
- Source marketplaces
- 8
- Model years available
- 2014–2026
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) | Diamond DA42 | Diamond DA50 RG |
|---|---|---|
| All events | 7 | — |
| Serious | 1 | — |
| Fatal | 0 | — |
| Fatalities | 0 | — |
| % Fatal | 0% | — |
Full Specs Comparison
Swipe to see all specs
| Spec / Model | Diamond DA42 | Diamond DA50 RG |
|---|---|---|
|
|
|
| Price Range | $520,774 – $1,100,160 | $894,146 – $1,409,050 |
| Category | Multi Engine Piston | Single Engine Piston |
| Model Specifications | ||
| Seats | 4 | 5 |
| Horsepower | — | 300 HP |
| Cruise Speed | 170 kts (315 km/h) | 180 kts (333 km/h) |
| Range | 1,050 nm (1,945 km) | 750 nm (1,389 km) |
| Service Ceiling | 18,000 ft (5,486 m) | 20,000 ft (6,096 m) |
| Max Gross Weight | 3,935 lbs (1,785 kg) | 3,957 lbs (1,795 kg) |
| Useful Load | 940 lbs (426 kg) | — |
| Fuel Capacity | 50.0 gal (189 L) | 50.0 gal (189 L) |
| Fuel Burn | 12.0 GPH (45 L/h) | 9.0 GPH (34 L/h) |
| TBO | 1,800 hrs | 2,000 hrs |
| Overhaul Cost | $28,000 | $28,000 |
| Annual Fixed | $20,000 | $18,000 |
| Hourly Variable | $150 | $135 |
| Engines | 2 x Diesel | 1 x Piston |
Cost of Ownership
EstimateDiamond DA42
Fuel$66/hr
Variable$150/hr
Annual Fixed$20,000/yr
Total (200 hrs/yr)
$50,000/yr
Diamond DA50 RG
Fuel$50/hr
Variable$135/hr
Annual Fixed$18,000/yr
Total (200 hrs/yr)
$45,000/yr
Which Should You Buy: Diamond DA42 or Diamond DA50 RG?
Pick the DA42 if…
- Budget matters — from $520,774 vs $894,146, you save ~$373,372.
- Longer range — 1050 nm vs 750 nm.
- More inventory — 44 listings vs 28.
Pick the DA50 RG if…
- Lower operating cost — ~$135/hr vs $150/hr.
- More seats — 5 vs 4.
- Faster cruise — 180 kts vs 170 kts.
- Newer design — production from 2020 vs 2004.
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 DA42 or Diamond DA50 RG?
It depends on your mission and budget.
The DA42 cruises at 170 kts with 1,050 nm range.
The DA50 RG cruises at 180 kts with 750 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Diamond DA42: from $568,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Diamond DA42 and Diamond DA50 RG?
Seats: 4 vs 5.
Cruise: 170 vs 180 kts.
Range: 1050 vs 750 nm.
Which is cheaper to operate per hour?
DA42: about $150/hr variable cost.
DA50 RG: about $135/hr variable cost.
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?
DA42: 4 seats / 940 lb useful load.
DA50 RG: 5 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?
DA42: 1,800-hour TBO, overhaul ~$28,000.
DA50 RG: 2,000-hour TBO, overhaul ~$28,000.
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