1975 Opel Ascona vs. 2001 Pontiac Firebird
To start off, 2001 Pontiac Firebird is newer by 26 year(s). Which means there will be less support and parts availability for 1975 Opel Ascona. In addition, the cost of maintenance, including insurance, on 1975 Opel Ascona would be higher. At 5,665 cc (8 cylinders), 2001 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2001 Pontiac Firebird (325 HP @ 5200 RPM) has 235 more horse power than 1975 Opel Ascona. (90 HP @ 4800 RPM) In normal driving conditions, 2001 Pontiac Firebird should accelerate faster than 1975 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 2001 Pontiac Firebird weights approximately 539 kg more than 1975 Opel Ascona. 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, 2001 Pontiac Firebird (475 Nm @ 4000 RPM) has 329 more torque (in Nm) than 1975 Opel Ascona. (146 Nm @ 3800 RPM). This means 2001 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Ascona.
Compare all specifications:
| 1975 Opel Ascona | 2001 Pontiac Firebird | |
| Make | Opel | Pontiac |
| Model | Ascona | Firebird |
| Year Released | 1975 | 2001 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1897 cc | 5665 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 90 HP | 325 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 146 Nm | 475 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 99 mm |
| Engine Stroke Size | 69.8 mm | 92 mm |
| Engine Compression Ratio | 8.8:1 | 10.1:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1002 kg | 1541 kg |
| Vehicle Length | 4130 mm | 4930 mm |
| Vehicle Width | 1630 mm | 1900 mm |
| Vehicle Height | 1390 mm | 1310 mm |
| Wheelbase Size | 2520 mm | 2570 mm |
| Fuel Tank Capacity | 50 L | 54 L |
