2007 Audi RS4 vs. 1999 Mazda 121
To start off, 2007 Audi RS4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Mazda 121. In addition, the cost of maintenance, including insurance, on 1999 Mazda 121 would be higher. At 4,163 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 340 more horse power than 1999 Mazda 121. (74 HP @ 5200 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 1999 Mazda 121.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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, 2007 Audi RS4 (431 Nm @ 5500 RPM) has 321 more torque (in Nm) than 1999 Mazda 121. (110 Nm @ 4000 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mazda 121.
Compare all specifications:
| 2007 Audi RS4 | 1999 Mazda 121 | |
| Make | Audi | Mazda |
| Model | RS4 | 121 |
| Year Released | 2007 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1241 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 74 HP |
| Engine RPM | 7800 RPM | 5200 RPM |
| Torque | 431 Nm | 110 Nm |
| Torque RPM | 5500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 71 mm |
| Engine Stroke Size | 92.8 mm | 83.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4600 mm | 3830 mm |
| Vehicle Width | 1820 mm | 1640 mm |
| Vehicle Height | 1420 mm | 1340 mm |
| Wheelbase Size | 2650 mm | 2460 mm |
