777-9 (777X) vs MD-11
The 777-9 (777X) leads, topping 4 of 7 compared metrics.
Cross-shopping the Boeing Commercial Airplanes 777-9 (777X) (introduced 2026) against the McDonnell Douglas MD-11 (introduced 1990) is a common decision, and the two sit closer on paper than the badges suggest. Both are commercial, which makes them natural cross-shopping rivals. On paper they are closely matched, so the decision usually turns on cabin, economics and availability. undefined
6 more specs per aircraft — ceiling, climb, cabin, dimensions and more — are free with an account.
777-9 (777X) vs MD-11: the key differences
- The 777-9 (777X) delivers 7% more range (777-9 (777X): 7,285 nm; MD-11: 6,840 nm).
- The 777-9 (777X) delivers 3% more cruise speed (777-9 (777X): 488 kt; MD-11: 473 kt).
- The 777-9 (777X) delivers 4% more passenger capacity (777-9 (777X): 426 seats; MD-11: 410 seats).
- The 777-9 (777X) is the newer design (introduced 2026 versus 1990 for the MD-11), a gap of 36 years that usually shows up in avionics, cabin systems and fuel burn.
- The 777-9 (777X) is the larger aircraft by maximum takeoff weight (775,000 lbs versus 630,500 lbs), which typically buys more cabin and payload at the cost of higher trip economics.
- The two differ in powerplant layout: the 777-9 (777X) runs 2 engines against 3 on the MD-11 — a factor in redundancy, maintenance scope and operating cost.
Which mission suits which aircraft
Both aircraft are built for nonstop ultra-long-haul routes, so outright range rarely separates them — the call leans on cabin (the 777-9 (777X) seats more), trip economics and what is actually available on the market. Match the airframe to how you fly most weeks, not to the headline range figure.
Which should you choose?
On published specifications the 777-9 (777X) leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The MD-11 can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.
More comparisons
777-9 (777X) vs MD-11: FAQs
Which has the longer range, the 777-9 (777X) or the MD-11?
The 777-9 (777X) has the longer published range — 7,285 nm versus 6,840 nm for the MD-11.
Does the 777-9 (777X) or MD-11 seat more passengers?
The 777-9 (777X) carries more passengers at maximum configuration — up to 426 seats, compared with 410 on the MD-11.
Which is faster, the 777-9 (777X) or the MD-11?
The 777-9 (777X) cruises faster, at 488 kt versus 473 kt for the MD-11.
Which is newer, the 777-9 (777X) or the MD-11?
The 777-9 (777X) is the newer design, introduced in 2026 versus 1990 for the MD-11.
Is the 777-9 (777X) or the MD-11 the larger aircraft?
By maximum takeoff weight the 777-9 (777X) is the larger aircraft — 775,000 lbs versus 630,500 lbs for the MD-11.
Should I buy the 777-9 (777X) or the MD-11?
On published specifications the 777-9 (777X) leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The MD-11 can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.
Still weighing up the 777-9 (777X) vs MD-11?
Specs only take you so far. Our advisors give an independent recommendation based on your mission, budget and how you actually fly — and represent your side through to purchase.