An SR22 can be a more efficient aircraft than the SR20 from several factors.
The IO360 and the IO550 have similar overhaul costs after 2000 hours but the higher speed of the SR22 will have taken you 50,000 miles further.
In the SR22 a 600 nm trip at high cruise would burn 13 more gallons but save a half hour.
The airframe is certified for 12,000 hours which comes to about $20/hr, so if your time is worth $40/hr the extra $30 worth of gas and 30 minutes saved are a wash.
The SR22 consistently run at 55% power should have direct operating costs similar to the SR20 at 75% power while carrying a higher load at a slightly faster speed.
The SR22 leaned at 55% power could cruise climb more efficiently than the SR20 which would be at a richer higher percent power for a slower speed.
A similarly equipped SR22 should cost about $20k more but I’d bet on about a $40k to $50k premium.
The price difference may be maintained in the residual value for years to come.
Certainly an SR22 for $270k would be a far better value than any other large piston engine aircraft out there.
If I don’t have to sell my home to step up I may be able to rationalize my way to the SR22.
Anyone with an early SR22 position interested in a trade for an SR20 with 50+ hours availabile immediately?
So why don’t they call it the SR31? I hope its full-fuel cabin payload is a significant notch up from the SR20–that would be my only temptation to consider “moving up.”
This is harder to achieve than most people realize: bigger engine (more weight); more fuel needed for the same or longer range (more weight); beefier structure to support the engine and fuel loads (more weight); longer wings (more weight); maybe heftier CAPS (more weight). This is the problem that makes aircraft/rocket engineers wake up screaming in the middle of the night. And I personally experience it every year during the Thanksgiving/Christmas season.
Actually, it was an SR20 test plane outfitted with wing tip extensions and a 310hp engine (I believe an IO550). To the best of my knowledge that’s all an SR22 really is anyway.