1973 BMW 525 vs. 1990 Opel Omega
To start off, 1990 Opel Omega is newer by 17 year(s). Which means there will be less support and parts availability for 1973 BMW 525. In addition, the cost of maintenance, including insurance, on 1973 BMW 525 would be higher. At 2,594 cc (6 cylinders), 1990 Opel Omega is equipped with a bigger engine. In terms of performance, 1990 Opel Omega (149 HP @ 5600 RPM) has 6 more horse power than 1973 BMW 525. (143 HP @ 6000 RPM) In normal driving conditions, 1990 Opel Omega should accelerate faster than 1973 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1990 Opel Omega weights approximately 85 kg more than 1973 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1990 Opel Omega (224 Nm @ 3600 RPM) has 16 more torque (in Nm) than 1973 BMW 525. (208 Nm @ 4000 RPM). This means 1990 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 525.
Compare all specifications:
| 1973 BMW 525 | 1990 Opel Omega | |
| Make | BMW | Opel |
| Model | 525 | Omega |
| Year Released | 1973 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2594 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 143 HP | 149 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 208 Nm | 224 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1380 kg | 1465 kg |
| Vehicle Length | 4630 mm | 4740 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1490 mm |
| Wheelbase Size | 2640 mm | 2740 mm |
