Diamond DA40 Diamond Star vs Piper Archer

Head-to-head — specs, at a glance.

Seats
4 · 4
Engine
piston single · piston single
Gear
Fixed · Fixed
Diamond DA40 Diamond StarPiper Archer
Cruise speedKTAS
147
125
Stall speed (Vs0)lower is betterKIAS
49
49
Rangenm
750
565
Useful loadlbs
851
1,134
Full-fuel payloadlbs
551
834
Service ceilingft
16.4k
13.7k
Fuel burnlower is bettergph
8.5
9
Cruise MPGmpg
19.9
16.0
Typical pricelower is betterUSD
$300k
$130k

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 →

Piper Archer

The Piper PA-28 Archer is the four-seat touring workhorse of the PA-28 Cherokee family, offering 180 horsepower and a meaningful step up in useful load and cruise speed over the Warrior. The Archer lineage traces back to 1963 with the original PA-28-180 Cherokee 180, one of the first truly practical four-seat Cherokees, and extends through continuous production to the present day as the Archer LX and Archer DLX — making it one of the longest-running production aircraft in general aviation history.

  • +Excellent cross-country performer: 125 KTAS, 565 nm range, comfortable four-seat cabin
  • +Bulletproof engine and parts support: O-360 is most-produced GA engine; Archer is 30,000+ fleet airframe
  • +Honest, docile handling with excellent IFR characteristics
  • !Wing spar fatigue AD (2024-20-XX) is critical compliance item; unmodified spars life-limited to 12,000–13,499 hours
  • !Modest climb performance at density altitude; not suitable for mountain/backcountry operations
  • !Fuel tank seepage common on older airframes; resealing costs $2,000–$5,000 per tank
See the full PA-28-181 profile →

Comparing a specific airplane you found for sale?

Get a Tail # Report on that tail number →