The Fiat 519 was a model of car produced by Italian automotive company, Fiat between 1922 and 1927.

2411 were produced in total. Approximately 25 known worldwide of which one is a genuine 519S and three others are shortened 519s. Three have the pointed 519S radiator and the other two are flat.

• 519, 519A, 519B,519C &519S 4/5S Tourer 4 doors, 2+2 seats
  • 519A had taller radiator and detail changes to engine.-Larger water pump, Rocker oil feed to centre pedestal and rear"anti-rolling leaf" omitted giving conventional rear suspension.
  • 519B had entirely different front brake actuation (perrot)
  • 519C (colonial) had increased Ground clearance. None are known, so may not have been produced although catalogued.
  • 519S Shorter (3,300 mm (129.9 in)) wheelbase and 1,475 mm (58.1 in) track.

• Engine Type: Capacity Config Model Bore/Stroke CR
• Engine size: 4766 cc S6 OHV 85 140
• Cylinder: 12 valves total 2 valves per cylinder
• Power: (40 hp)
• Wheelbase: 3,300 mm (129.9 in)
• Track front: 1,475 mm (58.1 in)
• Rear 1,475 mm (58.1 in)
• Length: 4,365 mm (171.9 in)
• Length:wheelbase ratio 1.32
• Kerb weight 2,350 kg (5,181 lb)

• Bore × stroke 85.00 millimetres (3.35 in) × 140.00 millimetres (5.51 in)
• Bore/Stroke ratio 0.61
• Displacement 4766 cc (290.839 cu in)
• Unitary capacity 794.33 cc/cylinder
• Aspiration Normal
• Compressor type N/A
• Intercooler None
• Max. output 78.1 PS (77.0 bhp) (57.4 kW)
• rpm 2600 rpm
• Specific output 16.2 bhp/litre 0.26 bhp/cu
• Top speed 127 km/h (79 mph)
• Power-to-weight 32.77 bhp/ton

• Fiat 804