1971 Renault 15 vs. 2002 BMW Z3
To start off, 2002 BMW Z3 is newer by 31 year(s). Which means there will be less support and parts availability for 1971 Renault 15. In addition, the cost of maintenance, including insurance, on 1971 Renault 15 would be higher. At 2,996 cc (6 cylinders), 2002 BMW Z3 is equipped with a bigger engine. In terms of performance, 2002 BMW Z3 (228 HP @ 5900 RPM) has 139 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM) In normal driving conditions, 2002 BMW Z3 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2002 BMW Z3 weights approximately 380 kg more than 1971 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, 2002 BMW Z3 (301 Nm @ 3500 RPM) has 176 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2002 BMW Z3 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1971 Renault 15 | 2002 BMW Z3 | |
| Make | Renault | BMW |
| Model | 15 | Z3 |
| Year Released | 1971 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1565 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 228 HP |
| Engine RPM | 5500 RPM | 5900 RPM |
| Torque | 125 Nm | 301 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 77 mm | 84 mm |
| Engine Stroke Size | 84 mm | 89.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1020 kg | 1400 kg |
| Vehicle Length | 4260 mm | 4060 mm |
| Vehicle Width | 1640 mm | 1750 mm |
| Vehicle Height | 1320 mm | 1300 mm |
| Wheelbase Size | 2440 mm | 2450 mm |
| Fuel Tank Capacity | 38 L | 51 L |
