1975 BMW 1602 vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 28 year(s). Which means there will be less support and parts availability for 1975 BMW 1602. In addition, the cost of maintenance, including insurance, on 1975 BMW 1602 would be higher. At 2,958 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (174 HP @ 4000 RPM) has 89 more horse power than 1975 BMW 1602. (85 HP @ 5800 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 1975 BMW 1602. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 834 kg more than 1975 BMW 1602. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 BMW 1602 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 1975 BMW 1602. 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 (370 Nm @ 1900 RPM) has 240 more torque (in Nm) than 1975 BMW 1602. (130 Nm @ 3500 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 1602.
Compare all specifications:
| 1975 BMW 1602 | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | 1602 | Vectra |
| Year Released | 1975 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 174 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 130 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Compression Ratio | 8.6:1 | 18.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 1764 kg |
| Vehicle Length | 4240 mm | 4830 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
| Fuel Tank Capacity | 50 L | 60 L |
