Beechcraft Sundowner 23 vs Cessna 177 Cardinal

Side-by-side specs, range, and operating costs.

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Dimensions & configuration

Representative planforms, drawn to shared scale.

Beechcraft Sundowner 23
32.8 × 25.8 ft 8.2 ft tall
1× Piston Fixed Unpressurized
Cessna 177 Cardinal
35.5 × 27.7 ft 8.6 ft tall
1× Piston Fixed Unpressurized

Flight Profile

Service ceiling, range, and climb rate.

Tap legend to isolate

Arc represents the climb-cruise-descent profile based on published service ceiling and range. Climb rate annotated on ascent. FL180 (18,000 ft) shown for reference.

Mission Performance

Stall, approach, cruise, range, ceiling and climb: best values are at the top.

Mission performance specifications
Specification Beechcraft Sundowner 23Cessna 177 Cardinal
Stall speed 63 kt55 kt
Approach speed 68 kt61 kt
Cruise speed 118 kt124 kt
Range 565 nm604 nm
Service ceiling 12600 ft14600 ft
Rate of climb 792 fpm840 fpm
Fuel burn 9.5 gph8.6 gph

Each axis is scaled independently across the compared aircraft and printed in its own units; every vertex sits at the published figure. Higher is better on all axes: Stall, Approach and Fuel Burn are inverted (lower = higher). A missing figure breaks the line at that axis.

Fuel Burn & Range

Range, endurance, and what the fuel costs by the hour.

Beechcraft Sundowner 23 Avgas
9.5 gph
Baseline
565 nm range 12.4 nm/gal 59 gal usable $62 fuel/hr 6h 12m endurance
Beechcraft Sundowner 23: 9.5 gallons per hour at cruise, 565 nautical mile published range, 6 hour 12 minute endurance, 12.4 nautical miles per gallon.
Cessna 177 Cardinal Avgas
8.6 gph
Baseline
604 nm range 14.4 nm/gal 49 gal usable $56 fuel/hr 5h 41m endurance
Cessna 177 Cardinal: 8.6 gallons per hour at cruise, 604 nautical mile published range, 5 hour 41 minute endurance, 14.4 nautical miles per gallon.
Avgas range each cell = 1 hr of cruise · width scales with speed

Bars show published still-air range. Endurance is usable fuel divided by the published cruise burn. Estimates only. Always verify against the POH.

Runway Performance

Density altitude adjusted estimates

Outside Air Temp
0°F57°F115°F
Field Elevation
SL4,0008,000 ft
Density Altitude

Takeoff over 50 ft obstacle

Landing ground roll

Base distance DA penalty
Scale: 6,000 ft

FAA 10%/1,000 ft DA rule of thumb (FAA-H-8083-25B). Turboprops and jets are less sensitive in practice. Always verify against the POH.

Estimated Operating Costs

Scale:
$97 /hr
Baseline
Beechcraft Sundowner 23: $97 per flight hour — fuel $62, maintenance and reserve $35.
$99 /hr
Baseline
Cessna 177 Cardinal: $99 per flight hour — fuel $56, maintenance and reserve $43.
$9,666 /yr Baseline
Beechcraft Sundowner 23: $9,666 per year — insurance $1,250, hangar $5,916, annual inspection $2,500.
$8,939 /yr Baseline
Cessna 177 Cardinal: $8,939 per year — insurance withheld, hangar $6,689, annual inspection $2,250.

Estimates only. Costs vary by location, pilot profile, and market conditions. See individual aircraft pages for source notes.

Capability & limits

Each bar stacks your selected occupants against full fuel and the aircraft's useful-load limit (the black line). The open gap between them is spare payload. Add an occupant and the gap closes; once it's gone, fuel has to give.

lb

+ lb / pax

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1
Beechcraft Sundowner 23
4 / 4 seats 59 / 59 gal fuel 602 lb wet payload 956 lb useful 2,450 lb MTOW
Cessna 177 Cardinal
4 / 4 seats 49 / 49 gal fuel 721 lb wet payload 1,015 lb useful 2,500 lb MTOW

Occupants at 190 + 30 lb each. Fuel at 6.7 lb/gal jet-A, 6.0 lb/gal avgas.

Payload-Range Map

Origin: · two fingers to move map

lb

+ lb / pax

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1

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