1973 BMW Touring vs. 2007 Mazda 3
To start off, 2007 Mazda 3 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 BMW Touring. In addition, the cost of maintenance, including insurance, on 1973 BMW Touring would be higher. At 1,998 cc (4 cylinders), 2007 Mazda 3 is equipped with a bigger engine. In terms of performance, 2007 Mazda 3 (139 HP @ 6500 RPM) has 54 more horse power than 1973 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 2007 Mazda 3 should accelerate faster than 1973 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 3 weights approximately 201 kg more than 1973 BMW Touring. 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 Mazda 3 (182 Nm @ 4500 RPM) has 52 more torque (in Nm) than 1973 BMW Touring. (130 Nm @ 3500 RPM). This means 2007 Mazda 3 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW Touring.
Compare all specifications:
| 1973 BMW Touring | 2007 Mazda 3 | |
| Make | BMW | Mazda |
| Model | Touring | 3 |
| Year Released | 1973 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 139 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 130 Nm | 182 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 87.6 mm |
| Engine Stroke Size | 71 mm | 83.1 mm |
| Engine Compression Ratio | 8.6:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1231 kg |
| Vehicle Length | 4120 mm | 4550 mm |
| Vehicle Width | 1600 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2650 mm |
