Astra 1125 vs Learjet 60: Speed, Cabin, and Cost Compared

Picking a midsize business jet usually comes down to a few honest trade-offs. Speed. Space. Range. Runway length. The Astra 1125 vs Learjet 60 matchup is a perfect example, because these two jets take the same job and solve it in very different ways. Both carry a small group of passengers. 

Both fly fast enough to cross a continent. Both have been popular with companies and private owners for years. Yet they feel like two different animals once you look closely.

One was built to slip through the air with clean, efficient lines. The other was built to give passengers more elbow room and a bigger cabin to stretch out in. Same class of jet, two very different personalities.

Key Takeaways

The short answer is simple: the Learjet 60 gives you a bigger, wider cabin, while the IAI Astra 1125 tends to offer a little more range and a lean, efficient design. Both are older midsize jets now found on the used market, so your choice often comes down to cabin comfort versus reach, plus the condition and price of the specific aircraft in front of you.

Flying411 makes it easy to browse real listings for both of these jets in one place, so you can compare aircraft, engines, and history side by side without the guesswork.

Meet the Two Midsize Jets

Before we line them up feature by feature, it helps to know where each jet came from. Their histories say a lot about how they fly and who they were built for.

The IAI Astra 1125

The IAI Astra 1125 comes from Israel Aircraft Industries. It first flew in the mid-1980s and entered service around 1986. The Astra was a clean-sheet upgrade of an earlier jet called the Westwind. Engineers moved the wing lower on the body and reshaped the frame, which opened up more headroom inside the cabin.

The result was a fast, efficient midsize jet with a narrow but surprisingly tall cabin. It was powered by two Honeywell TFE731 turbofan engines mounted on the rear of the fuselage. Over the years, the Astra kept improving. It grew into the Astra SP, then the Astra SPX with winglets, and it eventually became the Gulfstream G100 after Gulfstream took over the program.

Good to Know: The Astra family did not just fade away. Its later versions became the Gulfstream G100 and later inspired the G150, so the design lived on for decades under a new name.

The Bombardier Learjet 60

The Bombardier Learjet 60 carries one of the most famous names in aviation. It was built by Bombardier in Wichita, Kansas, and it first flew in 1990. It earned its FAA certification in early 1993. The Learjet 60 was a big step up from the earlier Learjet 55, with a longer cabin, more powerful engines, and cleaner aerodynamics.

It runs on two Pratt & Whitney Canada PW305A engines, each producing around 4,600 pounds of thrust. Those engines use FADEC, a digital control system that helps manage power and reduce pilot workload. The Learjet 60 also brought the biggest cabin the Learjet line had seen up to that point, which made it a favorite for owners who wanted more room without jumping to a larger jet.

Fun Fact: The Learjet 60 traces its wing design all the way back to the early Learjets of the 1960s, with the old wingtip fuel tanks swapped out for modern winglets. Some rare aircraft carry that kind of long family history, much like older planes still flying today.

Astra 1125 vs Learjet 60: 8 Differences That Decide the Match

Now for the heart of the comparison. When you put the Astra 1125 vs Learjet 60 head to head, eight key differences shape the whole picture. Some favor one jet, some favor the other, and a few end in a near tie. Here is how they stack up.

1. Cabin Space and Comfort

This is the biggest split between the two. The Learjet 60 has a noticeably wider cabin, measuring close to six feet across. The Astra cabin is narrower, closer to five feet wide, though it makes up some ground with strong headroom for its class.

• Learjet 60: wider cabin, more shoulder and elbow room, larger total volume
• Astra 1125: narrower but tall, efficient use of space, comfortable for shorter trips

If you often fly with a full group and want people to feel relaxed on longer flights, the Learjet 60 usually wins here.

Why It Matters: Cabin width affects comfort far more than length on a long trip. A few extra inches across the shoulders can be the difference between a pleasant flight and a cramped one when you have several passengers on board.

2. Cruise Speed

Both jets are quick, and the gap here is small. The Astra was known as a fast midsize jet in its day, cruising up around Mach 0.82 at its best. The Learjet 60 is right there too, with a high cruise near Mach 0.81 and a normal cruise around Mach 0.76.

In real-world flying, the cruise speed difference between them is minor. On a typical trip, both will get you there in a very similar amount of time. Neither jet feels slow.

3. Range and Reserves

Range is where the Astra tends to pull slightly ahead. With four passengers, the original Astra 1125 could stretch to roughly 2,700 nautical miles or more, depending on the model and conditions. The Learjet 60 typically comes in around 2,400 nautical miles with four passengers and standard reserves.

That is not a huge gap, but it can matter on longer legs. If your missions push toward the edge of the midsize range, the Astra gives you a bit more cushion.

4. Engines and Thrust

The two jets use different engine families, and this shapes how they feel on takeoff and in climb.

• The Astra 1125 uses two Honeywell TFE731 engines, each producing around 3,650 pounds of thrust.
• The Learjet 60 uses two Pratt & Whitney Canada PW305A engines, each producing around 4,600 pounds of thrust.

The Learjet 60 has more raw thrust, which helps it climb quickly. It is known as a strong climber that can reach high altitude in a short time. The Astra engines are lighter and very efficient, which helps with fuel burn and range.

Heads Up: The Learjet 60 is well known for being runway-hungry, especially on hot days or at high-elevation airports. Its braking system was carried over from smaller Learjets, so pilots often plan for longer runways than the numbers alone might suggest.

5. Runway Needs and Airport Access

This point ties directly to the last one. The Learjet 60 needs a good amount of runway to take off and land safely, and that requirement grows on hot days. Many operators follow a simple rule of thumb for minimum runway lengths in dry, wet, and contaminated conditions.

The Astra, while still needing a solid runway, is generally seen as a bit more flexible on shorter fields. If you regularly fly into smaller regional airports, this is worth thinking about carefully.

6. Cockpit and Avionics

Both jets came with capable avionics for their time. The Learjet 60 shipped with the Rockwell Collins Pro Line 4 suite, which uses large electronic displays and an integrated system that ties the flight controls together. Later Astra models used the Pro Line 4 as well, while earlier Astras had older panels that many owners have since upgraded.

For a buyer today, the key is not the original panel but what has been added since. Many of these jets have received avionics upgrades to meet modern airspace rules.

Keep in Mind: Older jets sometimes need avionics updates to keep flying in today's controlled airspace. Always check what upgrades a specific aircraft already has before you buy, since these can add up quickly.

7. Design Roots and Lineage

These two jets come from very different design families, and it shows.

• The Astra 1125 grew from the Westwind and later became the Gulfstream G100, giving it a long and respected lineage.
• The Learjet 60 carries the classic Learjet look, with its T-tail and swept wing, and it was one of the last legacy Learjet designs.

Both have loyal followings. The Learjet name carries a certain prestige, while the Astra line earned respect for its engineering and efficiency. Aviation history is full of aircraft with unusual paths, including some planes that quietly vanished from service over the years.

8. Cost, Maintenance, and Resale

Both jets are now firmly in the used market, which makes them relatively affordable ways to step into private jet ownership. Prices vary a lot based on age, hours, engine condition, and upgrades. In general, the Astra models often carry a lower entry price, while the Learjet 60 can command a bit more thanks to its cabin and brand.

Operating costs for both land in a similar range for the midsize class. Fuel, maintenance, and engine reserves make up most of the hourly cost. The Learjet 60 engines have a long time between overhauls, which owners appreciate.

Not sure what your current aircraft is worth before you trade up? Flying411 offers a quick aircraft valuation tool that gives you a realistic market picture in minutes. You can get a current valuation and use it as a starting point for your next move.

Pro Tip: Before buying either jet, invest in a thorough pre-purchase inspection and review the engine program status. Two aircraft of the same model can differ wildly in value based on maintenance history and remaining engine life.

Side-by-Side Specs

Sometimes it is easiest to see everything in one place. Here is a simplified spec comparison. Treat these as general figures, since exact numbers vary by model year and configuration.

Quick Tip: Notice that both jets share a maximum takeoff weight of around 23,500 pounds. That means they sit in the same weight class, yet they use that weight very differently, one leaning toward range and one toward cabin size.

Real-World Flying: What Owners Notice

Numbers on a spec sheet only tell part of the story. Once these jets are out flying real trips, a few things stand out to owners and pilots.

Passengers almost always notice the cabin first. Step into a Learjet 60 and the extra width is obvious. People sitting across from each other feel less like they are bumping knees. On the Astra, the cabin feels taller than you expect for a jet its size, so tall passengers do not feel boxed in even though the width is tighter.

Pilots tend to talk about two things: climb and runway. The Learjet 60 climbs like a rocket for its class, which is fun and useful on busy departures. The trade-off shows up on landing, where it wants a longer, cleaner runway. The Astra feels more balanced on the ground and gives pilots a little more room for error at smaller fields.

On fuel, the Astra earns quiet praise. Its efficient engines and light frame help it sip fuel on long legs, which keeps trip costs down. The Learjet 60 burns a bit more, but many owners feel the extra cabin space is worth it.

Both jets reward good maintenance. Owners who keep records clean, stay on top of inspections, and follow engine programs tend to hold their value better and face fewer surprises. That pattern holds true across almost every kind of aircraft, from light singles to helicopters people buy for personal use.

Which Midsize Jet Is Right for You?

There is no single winner here. The right jet depends on how you fly, who you fly with, and where you fly from. Both are solid midsize business jets that have proven themselves over many years. Here is a simple way to think about it.

Choose the Astra 1125 If...

• You want a bit more range for longer trips
• You value fuel efficiency and lean operating economics
• You sometimes fly into shorter or smaller airports
• You like the idea of owning a jet with Gulfstream lineage
• You want a lower entry price to get into jet ownership

Choose the Learjet 60 If...

• You often fly with a full cabin and want more room
• Cabin comfort matters more to you than a few extra miles of range
• You want the prestige of the Learjet name
• You value strong climb performance to reach altitude fast
• You have access to longer runways at your home base

Think honestly about your typical mission. If most of your flights are shorter hops with a group, the Learjet 60 cabin will earn its keep. If you fly longer legs with fewer people, the Astra range advantage may serve you better.

Ready to see what is available right now? Flying411 lists aircraft, engines, and parts from trusted sellers, so you can move from research to a real shortlist in one place.

Buying One on the Used Market

Since both jets are sold used, the specific aircraft matters as much as the model. Two Learjet 60s can be worlds apart in value based on their history. The same is true for any Astra. Here is what to focus on.

Engine condition and program status. Engines are the most expensive part of any jet. Check the hours on each engine, the time remaining before overhaul, and any engine maintenance program the aircraft is enrolled in. A jet with fresh engines and a solid program is worth far more.

Maintenance records. Complete, clear records are a green flag. Gaps and missing logs are a warning sign. Good paperwork saves you money and stress down the road.

Avionics and upgrades. Older panels may need updates to meet current airspace requirements. Ask what has already been done and what still needs doing.

Damage history. Any past damage should be documented and repaired properly. This affects both safety and resale value.

Interior and cosmetics. A worn interior is not a deal-breaker, but refurbishment costs money. Factor it into your budget.

Ownership questions like these come up across all kinds of aircraft, and the thinking is similar even when comparing whether to own a plane or a helicopter. The core rule stays the same: buy the best-maintained example you can find, not just the cheapest sticker price.

Conclusion

The Astra 1125 vs Learjet 60 debate really comes down to what you value most. The Astra gives you a lean, efficient design with a little extra range and a friendlier appetite for shorter runways. The Learjet 60 answers with a wider, roomier cabin, strong climb performance, and one of the most trusted names in aviation. 

Both are capable midsize jets that have earned their place, and both can be smart buys on the used market when you find a well-kept example.

Match the jet to your mission, check the maintenance history closely, and you will end up happy with either one.

Ready to find your next jet? Browse real listings, compare engines and parts, and connect with trusted aviation pros at Flying411, where your next aircraft is closer than you think.

Frequently Asked Questions

Is the Astra 1125 the same as the Gulfstream G100?

Not exactly, but they are closely related. The Astra 1125 was the earlier model, and its later versions were renamed the Gulfstream G100 after Gulfstream took over the program, so they share the same core design family.

How many passengers can the Learjet 60 carry?

The Learjet 60 typically seats seven to eight passengers in a standard executive layout, plus two crew members up front. The wider cabin gives those passengers more room than most jets in its class.

Why is the Learjet 60 known for needing long runways?

The Learjet 60 uses a braking system carried over from smaller Learjet models, which makes it less forgiving on short or wet runways. Pilots often plan for longer fields, especially on hot days or at higher-elevation airports.

Which jet is cheaper to own, the Astra 1125 or the Learjet 60?

Operating costs for both land in a similar range for the midsize class. The Astra often has a lower entry price, while the Learjet 60 may cost a bit more up front due to its cabin size and brand name.

Are these jets still good buys today?

Yes, for the right buyer. Both are mature, proven designs available at accessible used prices, which makes them a reasonable path into jet ownership as long as you choose a well-maintained aircraft with strong records.