1986 Lada Riva vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 5 year(s). Which means there will be less support and parts availability for 1986 Lada Riva. In addition, the cost of maintenance, including insurance, on 1986 Lada Riva would be higher. At 1,698 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 1986 Lada Riva (86 HP @ 5400 RPM) has 30 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1986 Lada Riva should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Lada Riva weights approximately 25 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Lada Riva 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 1986 Lada Riva. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, 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, 1986 Lada Riva (122 Nm @ 3000 RPM) has 17 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 1986 Lada Riva will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1986 Lada Riva | 1991 Opel Astra | |
| Make | Lada | Opel |
| Model | Riva | Astra |
| Year Released | 1986 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1569 cc | 1698 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 56 HP |
| Engine RPM | 5400 RPM | 4600 RPM |
| Torque | 122 Nm | 105 Nm |
| Torque RPM | 3000 RPM | 2400 RPM |
| Engine Bore Size | 79.1 mm | 82.5 mm |
| Engine Stroke Size | 80 mm | 79.5 mm |
| Engine Compression Ratio | 8.5:1 | 23.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1060 kg | 1035 kg |
| Vehicle Length | 4130 mm | 4250 mm |
| Vehicle Width | 1620 mm | 1690 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2420 mm | 2530 mm |
