1973 BMW Touring vs. 2002 Infiniti Q45
To start off, 2002 Infiniti Q45 is newer by 29 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 4,493 cc (8 cylinders), 2002 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2002 Infiniti Q45 (288 HP @ 6000 RPM) has 203 more horse power than 1973 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 2002 Infiniti Q45 should accelerate faster than 1973 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2002 Infiniti Q45 weights approximately 740 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, 2002 Infiniti Q45 (396 Nm @ 4000 RPM) has 266 more torque (in Nm) than 1973 BMW Touring. (130 Nm @ 3500 RPM). This means 2002 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW Touring.
Compare all specifications:
| 1973 BMW Touring | 2002 Infiniti Q45 | |
| Make | BMW | Infiniti |
| Model | Touring | Q45 |
| Year Released | 1973 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 4493 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 288 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 130 Nm | 396 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 71 mm | 82.8 mm |
| Engine Compression Ratio | 8.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1770 kg |
| Vehicle Length | 4120 mm | 5080 mm |
| Vehicle Width | 1600 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1500 mm |
| Wheelbase Size | 2510 mm | 2880 mm |
