2005 BMW 325 vs. 1991 Opel Astra
To start off, 2005 BMW 325 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 2,492 cc (6 cylinders), 2005 BMW 325 is equipped with a bigger engine. In terms of performance, 2005 BMW 325 (184 HP @ 7400 RPM) has 128 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2005 BMW 325 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 410 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 BMW 325 (237 Nm) has 132 more torque (in Nm) than 1991 Opel Astra. (105 Nm). This means 2005 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2005 BMW 325 | 1991 Opel Astra | |
| Make | BMW | Opel |
| Model | 325 | Astra |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1700 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 184 HP | 56 HP |
| Engine RPM | 7400 RPM | 4600 RPM |
| Torque | 237 Nm | 105 Nm |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 75 mm | 79.5 mm |
| Engine Compression Ratio | 10.5:1 | 23.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1460 kg | 1050 kg |
| Vehicle Length | 4480 mm | 4060 mm |
| Vehicle Width | 1750 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2730 mm | 2530 mm |
| Fuel Tank Capacity | 63 L | 40 L |
