1990 Renault 21 vs. 1973 Pontiac Firebird
To start off, 1990 Renault 21 is newer by 17 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 6,547 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1973 Pontiac Firebird (285 HP @ 4400 RPM) has 210 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 1973 Pontiac Firebird should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 641 kg more than 1990 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Pontiac Firebird is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1973 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 1990 Renault 21, being front wheel drive (FWD), will offer much better control with better grip. 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, 1973 Pontiac Firebird (421 Nm @ 2400 RPM) has 292 more torque (in Nm) than 1990 Renault 21. (129 Nm @ 3250 RPM). This means 1973 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21.
Compare all specifications:
| 1990 Renault 21 | 1973 Pontiac Firebird | |
| Make | Renault | Pontiac |
| Model | 21 | Firebird |
| Year Released | 1990 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1720 cc | 6547 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 75 HP | 285 HP |
| Engine RPM | 5000 RPM | 4400 RPM |
| Torque | 129 Nm | 421 Nm |
| Torque RPM | 3250 RPM | 2400 RPM |
| Engine Bore Size | 81 mm | 104.7 mm |
| Engine Stroke Size | 83.5 mm | 95.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 955 kg | 1596 kg |
| Vehicle Length | 4470 mm | 4880 mm |
| Vehicle Width | 1730 mm | 1870 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2550 mm | 2750 mm |
| Fuel Tank Capacity | 55 L | 76 L |
