1979 BMW 728 vs. 1973 Vauxhall Firenza
To start off, 1979 BMW 728 is newer by 6 year(s). Which means there will be less support and parts availability for 1973 Vauxhall Firenza. In addition, the cost of maintenance, including insurance, on 1973 Vauxhall Firenza would be higher. At 2,788 cc (6 cylinders), 1979 BMW 728 is equipped with a bigger engine. In terms of performance, 1979 BMW 728 (181 HP @ 5800 RPM) has 104 more horse power than 1973 Vauxhall Firenza. (77 HP @ 5200 RPM). In normal driving conditions, 1979 BMW 728 should accelerate faster than 1973 Vauxhall Firenza. With that said, vehicle weight also plays an important factor in acceleration. 1979 BMW 728 weights approximately 530 kg more than 1973 Vauxhall Firenza. 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, 1979 BMW 728 (240 Nm @ 4200 RPM) has 106 more torque (in Nm) than 1973 Vauxhall Firenza. (134 Nm @ 3000 RPM). This means 1979 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1973 Vauxhall Firenza.
Compare all specifications:
| 1979 BMW 728 | 1973 Vauxhall Firenza | |
| Make | BMW | Vauxhall |
| Model | 728 | Firenza |
| Year Released | 1979 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1759 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 77 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 240 Nm | 134 Nm |
| Torque RPM | 4200 RPM | 3000 RPM |
| Engine Bore Size | 86 mm | 85.8 mm |
| Engine Stroke Size | 80 mm | 76.2 mm |
| Engine Compression Ratio | 9.3:1 | 8.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1470 kg | 940 kg |
| Vehicle Length | 4870 mm | 4150 mm |
| Vehicle Width | 1810 mm | 1650 mm |
| Vehicle Height | 1440 mm | 1340 mm |
| Wheelbase Size | 2800 mm | 2470 mm |
