1981 BMW 628 vs. 1974 Vauxhall Firenza
To start off, 1981 BMW 628 is newer by 7 year(s). Which means there will be less support and parts availability for 1974 Vauxhall Firenza. In addition, the cost of maintenance, including insurance, on 1974 Vauxhall Firenza would be higher. At 2,788 cc (6 cylinders), 1981 BMW 628 is equipped with a bigger engine. In terms of performance, 1981 BMW 628 (181 HP @ 6000 RPM) has 104 more horse power than 1974 Vauxhall Firenza. (77 HP @ 5200 RPM). In normal driving conditions, 1981 BMW 628 should accelerate faster than 1974 Vauxhall Firenza. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 628 weights approximately 530 kg more than 1974 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, 1981 BMW 628 (240 Nm @ 4000 RPM) has 106 more torque (in Nm) than 1974 Vauxhall Firenza. (134 Nm @ 3000 RPM). This means 1981 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 1974 Vauxhall Firenza.
Compare all specifications:
| 1981 BMW 628 | 1974 Vauxhall Firenza | |
| Make | BMW | Vauxhall |
| Model | 628 | Firenza |
| Year Released | 1981 | 1974 |
| Body Type | Coupe | 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 | 6000 RPM | 5200 RPM |
| Torque | 240 Nm | 134 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Compression Ratio | 9.3:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 940 kg |
| Vehicle Length | 4760 mm | 4150 mm |
| Vehicle Width | 1730 mm | 1650 mm |
| Vehicle Height | 1370 mm | 1340 mm |
| Wheelbase Size | 2640 mm | 2470 mm |
