1973 Renault 15 vs. 1975 Pontiac Firebird
To start off, 1975 Pontiac Firebird is newer by 2 year(s). Which means there will be less support and parts availability for 1973 Renault 15. In addition, the cost of maintenance, including insurance, on 1973 Renault 15 would be higher. At 4,093 cc (6 cylinders), 1975 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1975 Pontiac Firebird (108 HP @ 3600 RPM) has 49 more horse power than 1973 Renault 15. (59 HP @ 5500 RPM) In normal driving conditions, 1975 Pontiac Firebird should accelerate faster than 1973 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1975 Pontiac Firebird weights approximately 505 kg more than 1973 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 Pontiac Firebird (237 Nm @ 1600 RPM) has 139 more torque (in Nm) than 1973 Renault 15. (98 Nm @ 3500 RPM). This means 1975 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1973 Renault 15.
Compare all specifications:
| 1973 Renault 15 | 1975 Pontiac Firebird | |
| Make | Renault | Pontiac |
| Model | 15 | Firebird |
| Year Released | 1973 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 4093 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 108 HP |
| Engine RPM | 5500 RPM | 3600 RPM |
| Torque | 98 Nm | 237 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 965 kg | 1470 kg |
| Vehicle Length | 4270 mm | 4880 mm |
| Vehicle Width | 1640 mm | 1870 mm |
| Vehicle Height | 1310 mm | 1290 mm |
| Wheelbase Size | 2440 mm | 2750 mm |
