2009 Audi Q7 vs. 1978 Mazda 929
To start off, 2009 Audi Q7 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 2,967 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (237 HP @ 4000 RPM) has 154 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1300 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.
Let's talk about torque, 2009 Audi Q7 (550 Nm @ 2000 RPM) has 416 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 2009 Audi Q7 | 1978 Mazda 929 | |
| Make | Audi | Mazda |
| Model | Q7 | 929 |
| Year Released | 2009 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 237 HP | 83 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 550 Nm | 134 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 83.1 mm | 80 mm |
| Engine Stroke Size | 91.4 mm | 88 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2370 kg | 1070 kg |
| Vehicle Length | 5090 mm | 4410 mm |
| Vehicle Width | 1990 mm | 1670 mm |
| Vehicle Height | 1740 mm | 1420 mm |
| Wheelbase Size | 3010 mm | 2520 mm |
| Fuel Tank Capacity | 100 L | 55 L |
