2005 Alfa Romeo 156 vs. 1987 Renault 21
To start off, 2005 Alfa Romeo 156 is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Renault 21. In addition, the cost of maintenance, including insurance, on 1987 Renault 21 would be higher. At 2,492 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 121 more horse power than 1987 Renault 21. (64 HP @ 4500 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 385 kg more than 1987 Renault 21. 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, 2005 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 104 more torque (in Nm) than 1987 Renault 21. (118 Nm @ 2250 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1987 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | 156 | 21 |
| Year Released | 2005 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1869 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 185 HP | 64 HP |
| Engine RPM | 5000 RPM | 4500 RPM |
| Torque | 222 Nm | 118 Nm |
| Torque RPM | 5000 RPM | 2250 RPM |
| Engine Bore Size | 88 mm | 80 mm |
| Engine Stroke Size | 68.3 mm | 93 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1490 kg | 1105 kg |
| Vehicle Length | 4450 mm | 4650 mm |
| Vehicle Width | 1750 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2820 mm |
