1981 Alfa Romeo Alfa 6 vs. 2003 Smart Roadster
To start off, 2003 Smart Roadster is newer by 22 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfa 6. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfa 6 would be higher. At 2,494 cc (5 cylinders), 1981 Alfa Romeo Alfa 6 is equipped with a bigger engine. In terms of performance, 1981 Alfa Romeo Alfa 6 (104 HP @ 4300 RPM) has 23 more horse power than 2003 Smart Roadster. (81 HP @ 5250 RPM). In normal driving conditions, 1981 Alfa Romeo Alfa 6 should accelerate faster than 2003 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 1981 Alfa Romeo Alfa 6 weights approximately 695 kg more than 2003 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1981 Alfa Romeo Alfa 6 (206 Nm @ 2400 RPM) has 96 more torque (in Nm) than 2003 Smart Roadster. (110 Nm @ 2250 RPM). This means 1981 Alfa Romeo Alfa 6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Smart Roadster.
Compare all specifications:
| 1981 Alfa Romeo Alfa 6 | 2003 Smart Roadster | |
| Make | Alfa Romeo | Smart |
| Model | Alfa 6 | Roadster |
| Year Released | 1981 | 2003 |
| Engine Position | Front | Rear |
| Engine Size | 2494 cc | 698 cc |
| Engine Cylinders | 5 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 81 HP |
| Engine RPM | 4300 RPM | 5250 RPM |
| Torque | 206 Nm | 110 Nm |
| Torque RPM | 2400 RPM | 2250 RPM |
| Engine Bore Size | 88 mm | 66.5 mm |
| Engine Stroke Size | 82 mm | 67 mm |
| Engine Compression Ratio | 22.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1580 kg | 885 kg |
| Vehicle Length | 4690 mm | 3430 mm |
| Vehicle Width | 1690 mm | 1620 mm |
| Vehicle Height | 1430 mm | 1200 mm |
| Wheelbase Size | 2610 mm | 2370 mm |
