1971 Opel Commodore vs. 1971 Vauxhall Firenza
To start off, both 1971 Opel Commodore and 1971 Vauxhall Firenza were released in the same year (1971). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,490 cc (6 cylinders), 1971 Opel Commodore is equipped with a bigger engine. In terms of performance, 1971 Opel Commodore (114 HP @ 5200 RPM) has 10 more horse power than 1971 Vauxhall Firenza. (104 HP @ 5600 RPM). In normal driving conditions, 1971 Opel Commodore should accelerate faster than 1971 Vauxhall Firenza. With that said, vehicle weight also plays an important factor in acceleration. 1971 Opel Commodore weights approximately 180 kg more than 1971 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, 1971 Opel Commodore (177 Nm @ 3800 RPM) has 18 more torque (in Nm) than 1971 Vauxhall Firenza. (159 Nm @ 3400 RPM). This means 1971 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1971 Vauxhall Firenza.
Compare all specifications:
| 1971 Opel Commodore | 1971 Vauxhall Firenza | |
| Make | Opel | Vauxhall |
| Model | Commodore | Firenza |
| Year Released | 1971 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 1975 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 104 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 177 Nm | 159 Nm |
| Torque RPM | 3800 RPM | 3400 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1170 kg | 990 kg |
| Vehicle Length | 4580 mm | 4140 mm |
| Vehicle Width | 1760 mm | 1630 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2680 mm | 2470 mm |
| Fuel Tank Capacity | 70 L | 36 L |
