2007 BMW 525 vs. 1973 Vauxhall Firenza
To start off, 2007 BMW 525 is newer by 34 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 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (175 HP @ 4000 RPM) has 98 more horse power than 1973 Vauxhall Firenza. (77 HP @ 5200 RPM). In normal driving conditions, 2007 BMW 525 should accelerate faster than 1973 Vauxhall Firenza. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 720 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, 2007 BMW 525 (400 Nm @ 2000 RPM) has 266 more torque (in Nm) than 1973 Vauxhall Firenza. (134 Nm @ 3000 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1973 Vauxhall Firenza.
Compare all specifications:
| 2007 BMW 525 | 1973 Vauxhall Firenza | |
| Make | BMW | Vauxhall |
| Model | 525 | Firenza |
| Year Released | 2007 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1759 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 77 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 400 Nm | 134 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 85.8 mm |
| Engine Stroke Size | 75.1 mm | 76.2 mm |
| Engine Compression Ratio | 17.0:1 | 8.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 940 kg |
| Vehicle Length | 4850 mm | 4150 mm |
| Vehicle Width | 1850 mm | 1650 mm |
| Vehicle Height | 1470 mm | 1340 mm |
| Wheelbase Size | 2890 mm | 2470 mm |
