2008 Audi S4 vs. 1990 Renault 21
To start off, 2008 Audi S4 is newer by 18 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 4,163 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 265 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 800 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 2008 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Renault 21. In wet, icy, snow, or gravel driving conditions, 2008 Audi S4 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, 2008 Audi S4 (410 Nm @ 3500 RPM) has 281 more torque (in Nm) than 1990 Renault 21. (129 Nm @ 3250 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21. 2008 Audi S4 has automatic transmission and 1990 Renault 21 has manual transmission. 1990 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi S4 | 1990 Renault 21 | |
| Make | Audi | Renault |
| Model | S4 | 21 |
| Year Released | 2008 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1720 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 75 HP |
| Engine RPM | 7000 RPM | 5000 RPM |
| Torque | 410 Nm | 129 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 245 km/hour | 176 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1755 kg | 955 kg |
| Vehicle Length | 4590 mm | 4470 mm |
| Vehicle Width | 1730 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2650 mm | 2550 mm |
| Fuel Consumption Overall | 12.3 L/100km | 7 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
