1999 Alfa Romeo 145 vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 4 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 145. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 145 would be higher. At 2,169 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 1999 Alfa Romeo 145 (153 HP @ 6400 RPM) has 28 more horse power than 2003 Opel Vectra. (125 HP @ 4000 RPM). In normal driving conditions, 1999 Alfa Romeo 145 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 350 kg more than 1999 Alfa Romeo 145.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Opel Vectra (280 Nm @ 1500 RPM) has 89 more torque (in Nm) than 1999 Alfa Romeo 145. (191 Nm @ 3500 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 145.
Compare all specifications:
| 1999 Alfa Romeo 145 | 2003 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 145 | Vectra |
| Year Released | 1999 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2169 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 125 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 191 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91.1 mm | 98 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1210 kg | 1560 kg |
| Vehicle Length | 4100 mm | 4830 mm |
| Vehicle Width | 1720 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1510 mm |
