2004 Audi A4 vs. 1991 Mazda 121
To start off, 2004 Audi A4 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Mazda 121. In addition, the cost of maintenance, including insurance, on 1991 Mazda 121 would be higher. At 2,967 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (201 HP @ 3500 RPM) has 130 more horse power than 1991 Mazda 121. (71 HP @ 6000 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1991 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 885 kg more than 1991 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 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, 2004 Audi A4 (450 Nm @ 1400 RPM) has 346 more torque (in Nm) than 1991 Mazda 121. (104 Nm @ 3700 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 121.
Compare all specifications:
| 2004 Audi A4 | 1991 Mazda 121 | |
| Make | Audi | Mazda |
| Model | A4 | 121 |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1322 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 201 HP | 71 HP |
| Engine RPM | 3500 RPM | 6000 RPM |
| Torque | 450 Nm | 104 Nm |
| Torque RPM | 1400 RPM | 3700 RPM |
| Engine Bore Size | 83 mm | 71 mm |
| Engine Stroke Size | 91.4 mm | 83.6 mm |
| Engine Compression Ratio | 17.0:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1705 kg | 820 kg |
| Vehicle Length | 4590 mm | 3820 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2470 mm | 2460 mm |
| Fuel Tank Capacity | 63 L | 43 L |
