2003 Alfa Romeo 166 vs. 1987 Renault 21
To start off, 2003 Alfa Romeo 166 is newer by 16 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 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 172 more horse power than 1987 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 585 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, 2003 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 159 more torque (in Nm) than 1987 Renault 21. (130 Nm @ 3250 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21.
Compare all specifications:
| 2003 Alfa Romeo 166 | 1987 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | 166 | 21 |
| Year Released | 2003 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 75 HP |
| Engine RPM | 6200 RPM | 5000 RPM |
| Torque | 289 Nm | 130 Nm |
| Torque RPM | 4800 RPM | 3250 RPM |
| Engine Bore Size | 93 mm | 81 mm |
| Engine Stroke Size | 78 mm | 83.5 mm |
| Top Speed | 245 km/hour | 176 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 955 kg |
| Vehicle Length | 4730 mm | 4470 mm |
| Vehicle Width | 1810 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2550 mm |
| Fuel Consumption Overall | 12.5 L/100km | 7 L/100km |
| Fuel Tank Capacity | 69 L | 55 L |
