2006 Lexus IS vs. 1977 Mazda 121
To start off, 2006 Lexus IS is newer by 29 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 1,988 cc (6 cylinders), 2006 Lexus IS is equipped with a bigger engine. In terms of performance, 2006 Lexus IS (153 HP @ 6200 RPM) has 67 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM). In normal driving conditions, 2006 Lexus IS should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2006 Lexus IS weights approximately 375 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, 2006 Lexus IS (195 Nm @ 4600 RPM) has 35 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 2006 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 2006 Lexus IS | 1977 Mazda 121 | |
| Make | Lexus | Mazda |
| Model | IS | 121 |
| Year Released | 2006 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1988 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 86 HP |
| Engine RPM | 6200 RPM | 4800 RPM |
| Torque | 195 Nm | 160 Nm |
| Torque RPM | 4600 RPM | 3000 RPM |
| Engine Bore Size | 75.1 mm | 80.1 mm |
| Engine Stroke Size | 75 mm | 98 mm |
| Engine Compression Ratio | 10.0:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1505 kg | 1130 kg |
| Vehicle Length | 4510 mm | 4510 mm |
| Vehicle Width | 1730 mm | 1690 mm |
| Vehicle Height | 1440 mm | 1350 mm |
| Wheelbase Size | 2680 mm | 2520 mm |
