1977 Mazda 929 vs. 2007 Volvo XC70
To start off, 2007 Volvo XC70 is newer by 30 year(s). Which means there will be less support and parts availability for 1977 Mazda 929. In addition, the cost of maintenance, including insurance, on 1977 Mazda 929 would be higher. At 2,399 cc (5 cylinders), 2007 Volvo XC70 is equipped with a bigger engine. In terms of performance, 2007 Volvo XC70 (161 HP @ 4000 RPM) has 78 more horse power than 1977 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2007 Volvo XC70 should accelerate faster than 1977 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2007 Volvo XC70 weights approximately 667 kg more than 1977 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Volvo XC70 (340 Nm @ 1750 RPM) has 206 more torque (in Nm) than 1977 Mazda 929. (134 Nm @ 3000 RPM). This means 2007 Volvo XC70 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 929.
Compare all specifications:
| 1977 Mazda 929 | 2007 Volvo XC70 | |
| Make | Mazda | Volvo |
| Model | 929 | XC70 |
| Year Released | 1977 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2399 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 161 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 134 Nm | 340 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 80 mm | 81 mm |
| Engine Stroke Size | 88 mm | 93.2 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1074 kg | 1741 kg |
| Vehicle Length | 4410 mm | 4740 mm |
| Vehicle Width | 1670 mm | 1870 mm |
| Vehicle Height | 1420 mm | 1570 mm |
| Wheelbase Size | 2520 mm | 2770 mm |
| Fuel Tank Capacity | 55 L | 70 L |
