1979 Mazda 121 vs. 2013 Cadillac ATS
To start off, 2013 Cadillac ATS is newer by 34 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 3,600 cc (6 cylinders), 2013 Cadillac ATS is equipped with a bigger engine. In terms of performance, 2013 Cadillac ATS (317 HP @ 6800 RPM) has 227 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 2013 Cadillac ATS should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac ATS weights approximately 436 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.
Because 2013 Cadillac ATS is all wheel drive (AWD), it will have significant more traction and grip than 1979 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2013 Cadillac ATS 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, 2013 Cadillac ATS (373 Nm @ 4800 RPM) has 213 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 2013 Cadillac ATS will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 2013 Cadillac ATS | |
| Make | Mazda | Cadillac |
| Model | 121 | ATS |
| Year Released | 1979 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 90 HP | 317 HP |
| Engine RPM | 4800 RPM | 6800 RPM |
| Torque | 160 Nm | 373 Nm |
| Torque RPM | 3000 RPM | 4800 RPM |
| Engine Bore Size | 80 mm | 94 mm |
| Engine Stroke Size | 98 mm | 86 mm |
| Engine Compression Ratio | 8.6:1 | 11.5 |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Rear | AWD |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1134 kg | 1570 kg |
| Vehicle Length | 4510 mm | 4643 mm |
| Vehicle Width | 1690 mm | 1806 mm |
| Vehicle Height | 1350 mm | 1420 mm |
| Wheelbase Size | 2520 mm | 2776 mm |
