1991 BMW 525 vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 12 year(s). Which means there will be less support and parts availability for 1991 BMW 525. In addition, the cost of maintenance, including insurance, on 1991 BMW 525 would be higher. At 2,496 cc (6 cylinders), 1991 BMW 525 is equipped with a bigger engine. In terms of performance, 1991 BMW 525 (143 HP @ 4800 RPM) has 20 more horse power than 2003 Opel Vectra. (123 HP @ 3250 RPM). In normal driving conditions, 1991 BMW 525 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 73 kg more than 1991 BMW 525.
Because 1991 BMW 525 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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 20 more torque (in Nm) than 1991 BMW 525. (260 Nm @ 2200 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 525. 2003 Opel Vectra has automatic transmission and 1991 BMW 525 has manual transmission. 1991 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW 525 | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | 525 | Vectra |
| Year Released | 1991 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 143 HP | 123 HP |
| Engine RPM | 4800 RPM | 3250 RPM |
| Torque | 260 Nm | 280 Nm |
| Torque RPM | 2200 RPM | 1500 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 83 mm | 98 mm |
| Engine Compression Ratio | 22.0:1 | 18.5:1 |
| Top Speed | 199 km/hour | 199 km/hour |
| Acceleration 0-100mph | 11.6 seconds | 12.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1633 kg |
| Vehicle Length | 4730 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2610 mm |
| Fuel Tank Capacity | 80 L | 60 L |
