2003 Alfa Romeo 166 vs. 1990 Renault 21
To start off, 2003 Alfa Romeo 166 is newer by 13 year(s). Which means there will be less support and parts availability for 1990 Renault 21. In addition, the cost of maintenance, including insurance, on 1990 Renault 21 would be higher. At 3,177 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (247 HP @ 6200 RPM) has 72 more horse power than 1990 Renault 21. (175 HP @ 5200 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 195 kg more than 1990 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Renault 21 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 1990 Renault 21 will offer significantly more control. 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, 2003 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 18 more torque (in Nm) than 1990 Renault 21. (271 Nm @ 3000 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21.
Compare all specifications:
| 2003 Alfa Romeo 166 | 1990 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | 166 | 21 |
| Year Released | 2003 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 2068 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 175 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 289 Nm | 271 Nm |
| Torque RPM | 4800 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 88 mm |
| Engine Stroke Size | 78 mm | 82 mm |
| Top Speed | 245 km/hour | 222 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1345 kg |
| Vehicle Length | 4730 mm | 4650 mm |
| Vehicle Width | 1810 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2550 mm | 2610 mm |
| Fuel Tank Capacity | 69 L | 62 L |
