MR3V/MR6V
              < MR3V 
 
            
          | MR3V / MR6V | |
|---|---|
| In service | Late 2026 | 
| Manufacturer | Alstom | 
| Built at | Valenciennes | 
| Family name | Metropolis | 
| Constructed | 2020–present | 
| Number under construction | 
 | 
| Number built | 
 | 
| Number in service | 2 in test (static and dynamic test for now) in the workshop of line 15. 4 or more in test at Alstom factory | 
| Formation | 
 | 
| Capacity | 
 | 
| Operators | 
 | 
| Depots | 
 | 
| Lines served | |
| Specifications | |
| Train length | 
 | 
| Car length | 18 m (59 ft 1 in) | 
| Width | 2.8 m (9 ft 2 in) | 
| Doors | 3 per side | 
| Maximum speed | 110 km/h (68 mph) | 
| Weight | 
 | 
| Traction system | Alstom OptoniX IGBT VVVF | 
| Electric system(s) | Overhead line, 1,500 V DC | 
| Current collector(s) | Pantograph | 
| UIC classification | 
 | 
| Braking system(s) | Electrodynamic, regenerative, disc, eddy current | 
| Coupling system | Scharfenberg type | 
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge | 
MR3V/6V project name, for "Matériel Roulant 3 Voitures / 6 Voitures" (Rolling Stock 3 Cars / 6 Cars) are future rolling stock, to equip the new lines 15, 16 and 17 of the Paris Metro.