1977 Mazda 121 vs. 2005 Porsche Carrera GT
To start off, 2005 Porsche Carrera GT is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Mazda 121. In addition, the cost of maintenance, including insurance, on 1977 Mazda 121 would be higher. At 5,733 cc (10 cylinders), 2005 Porsche Carrera GT is equipped with a bigger engine. In terms of performance, 2005 Porsche Carrera GT (604 HP @ 8000 RPM) has 518 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM) In normal driving conditions, 2005 Porsche Carrera GT should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche Carrera GT weights approximately 250 kg more than 1977 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, 2005 Porsche Carrera GT (590 Nm @ 5750 RPM) has 430 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 2005 Porsche Carrera GT will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 1977 Mazda 121 | 2005 Porsche Carrera GT | |
| Make | Mazda | Porsche |
| Model | 121 | Carrera GT |
| Year Released | 1977 | 2005 |
| Engine Position | Front | Middle |
| Engine Size | 1970 cc | 5733 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 86 HP | 604 HP |
| Engine RPM | 4800 RPM | 8000 RPM |
| Torque | 160 Nm | 590 Nm |
| Torque RPM | 3000 RPM | 5750 RPM |
| Engine Bore Size | 80.1 mm | 98 mm |
| Engine Stroke Size | 98 mm | 76 mm |
| Engine Compression Ratio | 8.6:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 1130 kg | 1380 kg |
| Vehicle Length | 4510 mm | 4620 mm |
| Vehicle Width | 1690 mm | 1930 mm |
| Vehicle Height | 1350 mm | 1170 mm |
| Wheelbase Size | 2520 mm | 2860 mm |
