Cirrus SR20 vs Diamond DA40 Diamond Star

Head-to-head — specs, at a glance.

Seats
4 · 4
Engine
piston single · piston single
Gear
Fixed · Fixed
Cirrus SR20Diamond DA40 Diamond Star
Cruise speedKTAS
155
147
Stall speed (Vs0)lower is betterKIAS
56
49
Rangenm
650
750
Useful loadlbs
965
851
Full-fuel payloadlbs
629
551
Service ceilingft
17.5k
16.4k
Fuel burnlower is bettergph
11.5
8.5
Cruise MPGmpg
15.5
19.9
Typical pricelower is betterUSD
$250k
$300k

Cirrus SR20

The Cirrus SR20, introduced in 1999, was the aircraft that launched a revolution in general aviation. It was the first certified production aircraft with a whole-airframe parachute system (CAPS — Cirrus Airframe Parachute System), all-composite construction, and a side-yoke control interface. Cirrus essentially redefined what a new GA aircraft could be.

  • +Modern composite construction with exceptional cruise efficiency (155 KTAS fixed-gear)
  • +Industry-leading whole-airframe parachute system (CAPS) for emergency safety
  • +Strong parts availability and mature Cirrus service center network
  • !Mandatory CAPS repack every 10 years at $18,000–$20,000 (significant recurring cost)
  • !Composite damage repair requires specialized technicians; costs $5,000–$50,000+ depending on severity
  • !Four-seat / 965 lbs useful load limits practical load-carrying for business/cargo use
See the full SR20 profile →

Diamond DA40 Diamond Star

The Diamond DA40 Diamond Star is a modern composite four-seat single that has become one of the most popular training and personal aircraft of the 21st century. Built in Austria and Canada, the DA40 combines Diamond's composite construction expertise with either a Lycoming IO-360 (180HP) or the innovative Austro AE 300 diesel engine (168HP, jet fuel capable) in the DA40 NG variant.

  • +Excellent safety record with docile handling and resistant-to-spin characteristics
  • +Exceptional fuel efficiency, especially NG diesel variant (5-7 GPH)
  • +Modern composite construction with worldwide parts and service support
  • !Castering nosewheel requires learning curve and differential braking technique
  • !Moderate cruise speed (147 KTAS) limits business travel appeal
  • !Limited baggage capacity and four-seat constraint
See the full DA40 profile →

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