1973 BMW Touring vs. 2007 Citroen C4
To start off, 2007 Citroen C4 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 1,996 cc (4 cylinders), 2007 Citroen C4 is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (134 HP @ 6000 RPM) has 49 more horse power than 1973 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 2007 Citroen C4 should accelerate faster than 1973 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 324 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 Citroen C4 (190 Nm @ 4100 RPM) has 60 more torque (in Nm) than 1973 BMW Touring. (130 Nm @ 3500 RPM). This means 2007 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW Touring.
Compare all specifications:
| 1973 BMW Touring | 2007 Citroen C4 | |
| Make | BMW | Citroen |
| Model | Touring | C4 |
| Year Released | 1973 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 134 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 130 Nm | 190 Nm |
| Torque RPM | 3500 RPM | 4100 RPM |
| Engine Bore Size | 84 mm | 85 mm |
| Engine Stroke Size | 71 mm | 88 mm |
| Engine Compression Ratio | 8.6:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1354 kg |
| Vehicle Length | 4120 mm | 4270 mm |
| Vehicle Width | 1600 mm | 1780 mm |
| Vehicle Height | 1390 mm | 1460 mm |
| Wheelbase Size | 2510 mm | 2610 mm |
