1978 Mazda 929 vs. 2009 Toyota Sienna
To start off, 2009 Toyota Sienna is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 3,455 cc (6 cylinders), 2009 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2009 Toyota Sienna (266 HP @ 6200 RPM) has 176 more horse power than 1978 Mazda 929. (90 HP @ 4800 RPM) In normal driving conditions, 2009 Toyota Sienna should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 Toyota Sienna weights approximately 785 kg more than 1978 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda 929. In wet, icy, snow, or gravel driving conditions, 2009 Toyota Sienna 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, 2009 Toyota Sienna (332 Nm @ 4700 RPM) has 172 more torque (in Nm) than 1978 Mazda 929. (160 Nm @ 2500 RPM). This means 2009 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 1978 Mazda 929 | 2009 Toyota Sienna | |
| Make | Mazda | Toyota |
| Model | 929 | Sienna |
| Year Released | 1978 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3455 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 90 HP | 266 HP |
| Engine RPM | 4800 RPM | 6200 RPM |
| Torque | 160 Nm | 332 Nm |
| Torque RPM | 2500 RPM | 4700 RPM |
| Engine Compression Ratio | 8.6:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1150 kg | 1935 kg |
| Vehicle Length | 4640 mm | 5110 mm |
| Vehicle Width | 1720 mm | 1970 mm |
| Vehicle Height | 1450 mm | 1760 mm |
| Wheelbase Size | 2620 mm | 3040 mm |
