1977 BMW 728 vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 22 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 40 more horse power than 1999 Opel Omega. (130 HP @ 4500 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 681 kg more than 1999 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1999 Opel Omega (250 Nm @ 2200 RPM) has 15 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728. 1999 Opel Omega has automatic transmission and 1977 BMW 728 has manual transmission. 1977 BMW 728 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Opel Omega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 BMW 728 | 1999 Opel Omega | |
| Make | BMW | Opel |
| Model | 728 | Omega |
| Year Released | 1977 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 130 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 235 Nm | 250 Nm |
| Torque RPM | 3700 RPM | 2200 RPM |
| Engine Bore Size | 86 mm | 80 mm |
| Engine Stroke Size | 80 mm | 82.8 mm |
| Engine Compression Ratio | 9.0:1 | 22.5:1 |
| Top Speed | 193 km/hour | 195 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1536 kg | 855 kg |
| Vehicle Length | 4870 mm | 4900 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2800 mm | 2640 mm |
| Fuel Tank Capacity | 85 L | 75 L |
