A321neo vs 777-300ER
The 777-300ER leads, topping 6 of 7 compared metrics.
The Airbus A321neo (introduced 2017) and the Boeing Commercial Airplanes 777-300ER (introduced 2003) are two aircraft buyers regularly weigh against each other. Both are commercial, which makes them natural cross-shopping rivals. The clearest separation between them is range, where the 777-300ER has the advantage. Below we compare them spec by spec, then break down which aircraft suits which mission.
6 more specs per aircraft — ceiling, climb, cabin, dimensions and more — are free with an account.
A321neo vs 777-300ER: the key differences
- The 777-300ER delivers 84% more range (A321neo: 4,000 nm; 777-300ER: 7,370 nm).
- The 777-300ER delivers 0% more cruise speed (A321neo: 487 kt; 777-300ER: 488 kt).
- The 777-300ER delivers 62% more passenger capacity (A321neo: 244 seats; 777-300ER: 396 seats).
- The A321neo is the newer design (introduced 2017 versus 2003 for the 777-300ER), a gap of 14 years that usually shows up in avionics, cabin systems and fuel burn.
- The 777-300ER is the larger aircraft by maximum takeoff weight (775,000 lbs versus 213,848 lbs), which typically buys more cabin and payload at the cost of higher trip economics.
Which mission suits which aircraft
The 777-300ER is the stronger fit for nonstop ultra-long-haul routes — its 7,370 nm of range removes fuel stops on those legs. The A321neo, at 4,000 nm, is better matched to long-haul and transatlantic missions, where lower trip cost counts for more than outright reach. If most of your flying sits inside the A321neo's range, the 777-300ER's extra capability is range you pay to carry but rarely use.
Which should you choose?
On published specifications the 777-300ER leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The A321neo 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.
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A321neo vs 777-300ER: FAQs
Which has the longer range, the A321neo or the 777-300ER?
The 777-300ER has the longer published range — 7,370 nm versus 4,000 nm for the A321neo.
Does the A321neo or 777-300ER seat more passengers?
The 777-300ER carries more passengers at maximum configuration — up to 396 seats, compared with 244 on the A321neo.
Which is faster, the A321neo or the 777-300ER?
The 777-300ER cruises faster, at 488 kt versus 487 kt for the A321neo.
Which is newer, the A321neo or the 777-300ER?
The A321neo is the newer design, introduced in 2017 versus 2003 for the 777-300ER.
Is the A321neo or the 777-300ER the larger aircraft?
By maximum takeoff weight the 777-300ER is the larger aircraft — 775,000 lbs versus 213,848 lbs for the A321neo.
Should I buy the A321neo or the 777-300ER?
On published specifications the 777-300ER leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The A321neo 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 A321neo vs 777-300ER?
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.