1973 BMW Touring vs. 2003 Mazda 6
To start off, 2003 Mazda 6 is newer by 30 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 1,989 cc (4 cylinders), 2003 Mazda 6 is equipped with a bigger engine. In terms of performance, 2003 Mazda 6 (145 HP @ 3500 RPM) has 60 more horse power than 1973 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 2003 Mazda 6 should accelerate faster than 1973 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda 6 weights approximately 455 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, 2003 Mazda 6 (310 Nm @ 2000 RPM) has 180 more torque (in Nm) than 1973 BMW Touring. (130 Nm @ 3500 RPM). This means 2003 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW Touring.
Compare all specifications:
| 1973 BMW Touring | 2003 Mazda 6 | |
| Make | BMW | Mazda |
| Model | Touring | 6 |
| Year Released | 1973 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1989 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 145 HP |
| Engine RPM | 5700 RPM | 3500 RPM |
| Torque | 130 Nm | 310 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 71 mm | 86 mm |
| Engine Compression Ratio | 8.6:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1485 kg |
| Vehicle Length | 4120 mm | 4690 mm |
| Vehicle Width | 1600 mm | 1790 mm |
| Vehicle Height | 1390 mm | 1440 mm |
| Wheelbase Size | 2510 mm | 2680 mm |
