1973 Opel Kadett vs. 2001 Pontiac Firebird
To start off, 2001 Pontiac Firebird is newer by 28 year(s). Which means there will be less support and parts availability for 1973 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1973 Opel Kadett would be higher. At 5,663 cc (8 cylinders), 2001 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2001 Pontiac Firebird (310 HP @ 5200 RPM) has 259 more horse power than 1973 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 2001 Pontiac Firebird should accelerate faster than 1973 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2001 Pontiac Firebird weights approximately 733 kg more than 1973 Opel Kadett. 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 (461 Nm @ 4000 RPM) has 381 more torque (in Nm) than 1973 Opel Kadett. (80 Nm @ 3400 RPM). This means 2001 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Kadett. 2001 Pontiac Firebird has automatic transmission and 1973 Opel Kadett has manual transmission. 1973 Opel Kadett will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Pontiac Firebird will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Opel Kadett | 2001 Pontiac Firebird | |
| Make | Opel | Pontiac |
| Model | Kadett | Firebird |
| Year Released | 1973 | 2001 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 5663 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 51 HP | 310 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 80 Nm | 461 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 79 mm | 99 mm |
| Engine Stroke Size | 61 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 795 kg | 1528 kg |
| Vehicle Length | 3900 mm | 4920 mm |
| Vehicle Width | 1590 mm | 1900 mm |
| Vehicle Height | 1320 mm | 1310 mm |
| Wheelbase Size | 2410 mm | 2570 mm |
| Fuel Tank Capacity | 43 L | 54 L |
