1971 Citroen SM vs. 2007 Daihatsu Sirion
To start off, 2007 Daihatsu Sirion is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Citroen SM. In addition, the cost of maintenance, including insurance, on 1971 Citroen SM would be higher. At 2,670 cc (6 cylinders), 1971 Citroen SM is equipped with a bigger engine. In terms of performance, 1971 Citroen SM (158 HP @ 5500 RPM) has 72 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 1971 Citroen SM should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1971 Citroen SM weights approximately 510 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1971 Citroen SM (235 Nm @ 4000 RPM) has 115 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1971 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion. 2007 Daihatsu Sirion has automatic transmission and 1971 Citroen SM has manual transmission. 1971 Citroen SM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
1971 Citroen SM | 2007 Daihatsu Sirion | |
Make | Citroen | Daihatsu |
Model | SM | Sirion |
Year Released | 1971 | 2007 |
Body Type | Coupe | Hatchback |
Engine Position | Front | Front |
Engine Size | 2670 cc | 1297 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 158 HP | 86 HP |
Engine RPM | 5500 RPM | 6000 RPM |
Torque | 235 Nm | 120 Nm |
Torque RPM | 4000 RPM | 3200 RPM |
Engine Bore Size | 87 mm | 72 mm |
Engine Stroke Size | 75 mm | 79.7 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1450 kg | 940 kg |
Vehicle Length | 4900 mm | 3610 mm |
Vehicle Width | 1850 mm | 1670 mm |
Vehicle Height | 1330 mm | 1560 mm |
Wheelbase Size | 2950 mm | 2440 mm |
Fuel Tank Capacity | 89 L | 40 L |