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What a Grob G 109 costs, how far it flies, and what it costs to keep

PlaneFox tracks 6 Grob G 109 aircraft for sale and re-reads every one of them from the broker and dealer sites it watches, so the figures below move when the market moves. Every number on this page is measured from those live listings, not taken from a published price guide.

How much does a Grob G 109 cost?

There are 6 Grob G 109 listings on PlaneFox right now, 5 of them priced. They ask between EUR 29,000 and EUR 65,000, with a median of EUR 46,000.

More questions about the Grob G 109

How much does a Grob G 109 cost?
The median asking price for a Grob G 109 on PlaneFox is EUR 46,000, measured across the Grob G 109 listings on the site today. Prices run from EUR 29,000 for older, higher-time airframes up to EUR 65,000 for newer, low-time aircraft. Year of manufacture, airframe hours, avionics and condition account for most of that spread.
What is the price range for a used Grob G 109?
Grob G 109 aircraft listed on PlaneFox range from EUR 29,000 to EUR 65,000, with a median asking price of EUR 46,000. Late model years with low airframe hours and a modern glass panel sit at the top of that range; early airframes with high hours and analogue instruments sit at the bottom.
How many Grob G 109 aircraft are for sale right now?
PlaneFox lists 6 Grob G 109 aircraft for sale right now, gathered from the broker and dealer sites it watches. The count moves through the week as those sources are re-read. Because PlaneFox reads the same listings repeatedly over time, it also shows which have cut their asking price and which have sold.
Where can I find a Grob G 109 for sale?
Every Grob G 109 PlaneFox can see is on this page — 6 of them, gathered from the broker and dealer sites it re-reads continuously. Most are listed in Italy (2), followed by Germany (2), United States (1) and Netherlands (1). Each listing links straight through to the seller, so a Grob G 109 in another country is worth considering rather than filtering out.
What should I check when buying a used Grob G 109?
On a used Grob G 109, check airframe hours, engine time since overhaul, avionics generation and damage history before anything else. PlaneFox recommends a pre-purchase inspection by an EASA Part-145 shop that knows the type, which typically costs EUR 1,500 to EUR 3,500. Under 1,500 airframe hours is low-time and above 3,500 means budgeting for higher maintenance; most piston engines run a 2,000-hour TBO, so past 1,500 to 1,700 hours since overhaul expect the overhaul within one to three years at EUR 25,000 to EUR 45,000. Read the full logbook history for prop strikes, gear-up landings and structural repair, and confirm ADs and SBs are complied with.

About the Grob G 109

Aircraft overview

The Grob G 109 is a German two-seat, side-by-side touring motorglider built by Grob Aircraft. It first flew in 1980 and entered production in the early 1980s, with the later Grob G 109B becoming the better known and more numerous version. The aircraft occupies a specific niche: a self-launching sailplane with enough engine power for practical touring, training and cross-country operations, while retaining glider handling and soaring capability. Its glassfibre composite structure, retractable main wheel on early versions and long-span wing reflect Grob’s sailplane background rather than conventional light aircraft design.

Performance & specifications

Typical performance depends on variant, propeller and engine condition. The Grob G 109B is commonly associated with the Limbach L 2400 EB flat-four engine, rated at about 95 hp, while earlier aircraft used lower-powered Limbach installations. Owners generally plan cruise speeds around 85 to 95 knots in powered flight, with range commonly quoted in the region of 400 nautical miles when operated as a touring motorglider. Service ceiling is typically around 12,000 feet. Useful load is modest compared with a conventional two-seat trainer, so buyer checks should include actual empty weight, installed equipment and realistic fuel, baggage and crew combinations.

Cabin & avionics

The cabin seats two occupants side by side under a broad canopy, giving good outward visibility for training, soaring and navigation. It is a compact cockpit, and fit should be assessed carefully by taller pilots. Controls are conventional for a motorglider, with attention needed to airbrake, propeller and engine management procedures. Most Grob G 109 aircraft on the used market have simple VFR avionics rather than integrated suites such as Garmin Perspective or G1000. Typical equipment may include a VHF radio, transponder, variometer, basic engine instruments and, on upgraded aircraft, panel GPS, 8.33 kHz radio compliance and ADS-B related equipment where required.

Buying & value

Condition, records and variant matter more than cosmetic presentation. Buyers should review composite structure history, canopy condition, control system rigging, landing gear condition, engine hours, propeller status and evidence of proper storage. The Grob G 109B is usually preferred for its improved power and handling refinements, while avionics and radio upgrades can add practical value. On PlaneFox listings, current asking prices average about EUR 51,000, with observed examples ranging from roughly EUR 35,000 to EUR 67,000. That positions the Grob G 109 as a specialist used aircraft for buyers seeking economical self-launching soaring and light touring, not as a direct substitute for a conventional powered trainer.

6 Grob G 109 aircraft are for sale on PlaneFox today.

See all 6 listings