1985 Renault 18 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 22 year(s). Which means there will be less support and parts availability for 1985 Renault 18. In addition, the cost of maintenance, including insurance, on 1985 Renault 18 would be higher. At 1,909 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (118 HP @ 3500 RPM) has 55 more horse power than 1985 Renault 18. (63 HP @ 5500 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1985 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 410 kg more than 1985 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2007 Opel Astra (280 Nm @ 2000 RPM) has 177 more torque (in Nm) than 1985 Renault 18. (103 Nm @ 3000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 18. 2007 Opel Astra has automatic transmission and 1985 Renault 18 has manual transmission. 1985 Renault 18 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 Renault 18 | 2007 Opel Astra | |
| Make | Renault | Opel |
| Model | 18 | Astra |
| Year Released | 1985 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1395 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 63 HP | 118 HP |
| Engine RPM | 5500 RPM | 3500 RPM |
| Torque | 103 Nm | 280 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 76 mm | 82 mm |
| Engine Stroke Size | 77 mm | 90.4 mm |
| Engine Compression Ratio | 9.2:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 985 kg | 1395 kg |
| Vehicle Length | 4410 mm | 4480 mm |
| Vehicle Width | 1710 mm | 2030 mm |
| Vehicle Height | 1410 mm | 1420 mm |
| Wheelbase Size | 2450 mm | 2620 mm |
| Fuel Consumption Overall | 7 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
