1999 AC Aceca vs. 1979 Mazda 121
To start off, 1999 AC Aceca is newer by 20 year(s). Which means there will be less support and parts availability for 1979 Mazda 121. In addition, the cost of maintenance, including insurance, on 1979 Mazda 121 would be higher. At 3,506 cc (8 cylinders), 1999 AC Aceca is equipped with a bigger engine. In terms of performance, 1999 AC Aceca (346 HP @ 6500 RPM) has 256 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 1999 AC Aceca should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1999 AC Aceca weights approximately 476 kg more than 1979 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1999 AC Aceca (400 Nm @ 4000 RPM) has 240 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1999 AC Aceca will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1999 AC Aceca | 1979 Mazda 121 | |
| Make | AC | Mazda |
| Model | Aceca | 121 |
| Year Released | 1999 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 1970 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 346 HP | 90 HP |
| Engine RPM | 6500 RPM | 4800 RPM |
| Torque | 400 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 80 mm |
| Engine Stroke Size | 81 mm | 98 mm |
| Engine Compression Ratio | 8.0:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1610 kg | 1134 kg |
| Vehicle Length | 4640 mm | 4510 mm |
| Vehicle Width | 1860 mm | 1690 mm |
| Vehicle Height | 1350 mm | 1350 mm |
| Wheelbase Size | 2300 mm | 2520 mm |
