1 photo from Wikimedia Commons · credits & licences
- 1. Alstom Metropolis BM4 1402-2402 "Giurgiu" efectuand Probe la statia Tudor Arghezi: Thatspongy· CC BY 4.0
what is it?
The Alstom Metropolis BM4 (Bucharest Metro 4th generation) is a family of metros designed for the Bucharest Metro, with 13 six-car trainsets currently built by Alstom at the Taubaté, Brazil plant as of 2023. As of September 2025, 7 trains performed dynamic tests on line M5.
base stats
Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.
fun facts
- First built 0 years ago, in 2026.
- 3.2 MW is about 38 family cars (~85 kW each) flat out.
- 114 m long: about 25 cars parked nose to tail.
- Seats 1,200: 24 full city buses (~50 seats each).
metro: Urban rapid transit: frequent, high-capacity trains, often underground.
spec sheet
- built
- 2026
- in service from
- 2026
- number built
- 13
- kind
- Electric Metro Trainset
- traction
- electric
- origin
- 🇫🇷 France
- builders
- Alstom
- top speed
- 80 km/h
- power
- 3.2 MW
- gauge
- 1,432 mm narrow gauge
- wheel arrangement
- 2′2′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+2′2′
- formation
- R1–MP1–M1–M2–MP2–R2
- length
- 114 m
- capacity
- 1,200 passengers
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
family
Sources: Wikidata Q125372039, Wikipedia: Alstom Metropolis BM4 (CC BY-SA 4.0).Updated 2026-10-25.