1985 Opel Kadett vs. 1977 Renault 15
To start off, 1985 Opel Kadett is newer by 8 year(s). Which means there will be less support and parts availability for 1977 Renault 15. In addition, the cost of maintenance, including insurance, on 1977 Renault 15 would be higher. At 1,289 cc (4 cylinders), 1977 Renault 15 is equipped with a bigger engine. In terms of performance, both vehicles can yield 59 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1977 Renault 15 weights approximately 191 kg more than 1985 Opel Kadett.
Let's talk about torque, 1977 Renault 15 (98 Nm @ 3500 RPM) has 10 more torque (in Nm) than 1985 Opel Kadett. (88 Nm @ 3000 RPM). This means 1977 Renault 15 will have an easier job in driving up hills or pulling heavy equipment than 1985 Opel Kadett.
Compare all specifications:
| 1985 Opel Kadett | 1977 Renault 15 | |
| Make | Opel | Renault |
| Model | Kadett | 15 |
| Year Released | 1985 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 1289 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 59 HP |
| Engine RPM | 5400 RPM | 5500 RPM |
| Torque | 88 Nm | 98 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 79 mm | 75 mm |
| Engine Stroke Size | 61 mm | 69 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 774 kg | 965 kg |
| Vehicle Length | 4110 mm | 4270 mm |
| Vehicle Width | 1580 mm | 1640 mm |
| Vehicle Height | 1410 mm | 1320 mm |
| Wheelbase Size | 2530 mm | 2440 mm |
| Fuel Tank Capacity | 40 L | 55 L |
