2003 Alfa Romeo 166 vs. 2013 Mazda 3
To start off, 2013 Mazda 3 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 2,489 cc (4 cylinders), 2013 Mazda 3 is equipped with a bigger engine. In terms of performance, 2013 Mazda 3 (165 HP @ 6000 RPM) has 17 more horse power than 2003 Alfa Romeo 166. (148 HP @ 6500 RPM) In normal driving conditions, 2013 Mazda 3 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 102 kg more than 2013 Mazda 3.
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, 2013 Mazda 3 (228 Nm @ 4000 RPM) has 47 more torque (in Nm) than 2003 Alfa Romeo 166. (181 Nm @ 3800 RPM). This means 2013 Mazda 3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166. 2013 Mazda 3 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 Mazda 3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2013 Mazda 3 | |
| Make | Alfa Romeo | Mazda |
| Model | 166 | 3 |
| Year Released | 2003 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2489 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 165 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 181 Nm | 228 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 89 mm |
| Engine Stroke Size | 91 mm | 100 mm |
| Engine Compression Ratio | 10.0:1 | 9.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | 5-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1408 kg |
| Vehicle Length | 4730 mm | 4595 mm |
| Vehicle Width | 1810 mm | 1755 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
