AlfaRomeo 159 1.9 JTS MT Full Specs | Fuel consumption, Engine Power, Fuel Type. Howwide is the vehicle, 2005 Alfa Romeo 159 Sedan? 1828 mm 71.97 in. What is the curb weight, 2005 Alfa Romeo 159 2.4 JTDM (200 Hp)? 1630 kg 3593.53 lbs. What is the gross weight, 2005 Alfa Romeo 159 2.4 FuelConsumption - Economy Combined: 29 MPG 8.1 L/100 km 35 MPG UK: Alfa Romeo 159 1.8 TBi 200HP Sport Plus Body, Model and Production details. Body : - Alfa Romeo 159 3.2 V6 JTS Q4 (2005) vs Alfa Romeo 159 1.8 TBi 200HP Sport Plus (2010) Alfa Romeo 159 3.2 V6 JTS Q4 (2005) vs Alfa Romeo 159 1.8 TBi 200HP Sport Plus (2010) RG02U9.