2003 Alfa Romeo 166 vs. 2013 Scion xD
To start off, 2013 Scion xD is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 1,970 cc (4 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (148 HP @ 6500 RPM) has 22 more horse power than 2013 Scion xD. (126 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2013 Scion xD. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 320 kg more than 2013 Scion xD. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Scion xD is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2013 Scion xD will offer significantly more control. 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, 2003 Alfa Romeo 166 (181 Nm @ 3800 RPM) has 12 more torque (in Nm) than 2013 Scion xD. (169 Nm @ 4440 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2013 Scion xD. 2013 Scion xD has automatic transmission and 2003 Alfa Romeo 166 has manual transmission. 2003 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Scion xD will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2013 Scion xD | |
| Make | Alfa Romeo | Scion |
| Model | 166 | xD |
| Year Released | 2003 | 2013 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1798 cc |
| Engine Cylinders | 4 cylinders | 16 cylinders |
| Engine Type | in-line | dual-disk rotary |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 126 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 181 Nm | 169 Nm |
| Torque RPM | 3800 RPM | 4440 RPM |
| Engine Bore Size | 83 mm | 80 mm |
| Engine Stroke Size | 91 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | 5-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1190 kg |
| Vehicle Length | 4730 mm | 3930 mm |
| Vehicle Width | 1810 mm | 1725 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2710 mm | 2460 mm |
