2003 Alpina B3 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alpina B3. In addition, the cost of maintenance, including insurance, on 2003 Alpina B3 would be higher. At 3,300 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (276 HP @ 6300 RPM) has 152 more horse power than 2005 Opel Vectra. (124 HP @ 3250 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2005 Opel Vectra.
Because 2003 Alpina B3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2003 Alpina B3 will offer significantly more control. 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 Alpina B3 (335 Nm @ 4500 RPM) has 55 more torque (in Nm) than 2005 Opel Vectra. (280 Nm @ 1500 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2003 Alpina B3 | 2005 Opel Vectra | |
| Make | Alpina | Opel |
| Model | B3 | Vectra |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3300 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 124 HP |
| Engine RPM | 6300 RPM | 3250 RPM |
| Torque | 335 Nm | 280 Nm |
| Torque RPM | 4500 RPM | 1500 RPM |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 254 km/hour | 202 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 11.1 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1560 kg |
| Vehicle Length | 4480 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 11.6 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
