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CompareKing Air 250 vs M600
Aircraft comparison

King Air 250 vs M600

The King Air 250 leads, topping 7 of 7 compared metrics.

Put the Beechcraft / Textron Aviation King Air 250 (introduced 2011) beside the Piper Aircraft M600 (introduced 2017) and the trade-offs sharpen fast. Both are turboprops, which makes them natural cross-shopping rivals. The clearest separation between them is cabin capacity, where the King Air 250 carries more passengers. undefined

King Air 250

Beechcraft / Textron Aviation

King Air 250

M600

Piper Aircraft

M600

Performance
Range
1,720 nm
1,658 nm
Cruise speed
310 kt
274 kt
Max speed
Locked — sign in to view
Locked — sign in to view
Service ceiling
Locked — sign in to view
Locked — sign in to view
Rate of climb
Locked — sign in to view
Locked — sign in to view
Capacity & dimensions
Max seats
9
6
Crew
Locked — sign in to view
Locked — sign in to view
Max takeoff weight
12,500 lbs
6,000 lbs
Length
Locked — sign in to view
Locked — sign in to view
Cabin height
Locked — sign in to view
Locked — sign in to view
Powerplant
Engines
2 × Turboprop
1 × Turboprop
Engine model
Pratt & Whitney Canada PT6A-52
Pratt & Whitney Canada PT6A-52

6 more specs per aircraft — ceiling, climb, cabin, dimensions and more — are free with an account.

King Air 250 vs M600: the key differences

  • The King Air 250 delivers 4% more range (King Air 250: 1,720 nm; M600: 1,658 nm).
  • The King Air 250 delivers 13% more cruise speed (King Air 250: 310 kt; M600: 274 kt).
  • The King Air 250 delivers 50% more passenger capacity (King Air 250: 9 seats; M600: 6 seats).
  • The M600 is the newer design (introduced 2017 versus 2011 for the King Air 250), a gap of 6 years that usually shows up in avionics, cabin systems and fuel burn.
  • The King Air 250 is the larger aircraft by maximum takeoff weight (12,500 lbs versus 6,000 lbs), which typically buys more cabin and payload at the cost of higher trip economics.
  • The two differ in powerplant layout: the King Air 250 runs 2 engines against 1 on the M600 — a factor in redundancy, maintenance scope and operating cost.

Which mission suits which aircraft

Both aircraft are built for regional and short-to-medium legs, so outright range rarely separates them — the call leans on cabin (the King Air 250 seats more), trip economics and what is actually available on the market. Match the airframe to how you fly most weeks, not to the headline range figure.

Which should you choose?

On published specifications the King Air 250 leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The M600 can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.

King Air 250 vs M600: FAQs

Which has the longer range, the King Air 250 or the M600?

The King Air 250 has the longer published range — 1,720 nm versus 1,658 nm for the M600.

Does the King Air 250 or M600 seat more passengers?

The King Air 250 carries more passengers at maximum configuration — up to 9 seats, compared with 6 on the M600.

Which is faster, the King Air 250 or the M600?

The King Air 250 cruises faster, at 310 kt versus 274 kt for the M600.

Which is newer, the King Air 250 or the M600?

The M600 is the newer design, introduced in 2017 versus 2011 for the King Air 250.

Is the King Air 250 or the M600 the larger aircraft?

By maximum takeoff weight the King Air 250 is the larger aircraft — 12,500 lbs versus 6,000 lbs for the M600.

Should I buy the King Air 250 or the M600?

On published specifications the King Air 250 leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The M600 can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.

Still weighing up the King Air 250 vs M600?

Specs only take you so far. Our advisors give an independent recommendation based on your mission, budget and how you actually fly — and represent your side through to purchase.

How advisory works