1991 Alfa Romeo SZ vs. 2005 Smart Roadster
To start off, 2005 Smart Roadster is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo SZ would be higher. At 2,959 cc (6 cylinders), 1991 Alfa Romeo SZ is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo SZ (208 HP @ 6200 RPM) has 108 more horse power than 2005 Smart Roadster. (100 HP @ 5250 RPM). In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 2005 Smart Roadster.
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, 1991 Alfa Romeo SZ (245 Nm @ 4500 RPM) has 115 more torque (in Nm) than 2005 Smart Roadster. (130 Nm @ 2500 RPM). This means 1991 Alfa Romeo SZ will have an easier job in driving up hills or pulling heavy equipment than 2005 Smart Roadster.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2005 Smart Roadster | |
| Make | Alfa Romeo | Smart |
| Model | SZ | Roadster |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 2959 cc | 698 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 208 HP | 100 HP |
| Engine RPM | 6200 RPM | 5250 RPM |
| Torque | 245 Nm | 130 Nm |
| Torque RPM | 4500 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 66.5 mm |
| Engine Stroke Size | 72.6 mm | 67 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 233 km/hour | 190 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4670 mm | 3430 mm |
| Vehicle Width | 1740 mm | 1620 mm |
| Vehicle Height | 1320 mm | 1200 mm |
| Wheelbase Size | 2520 mm | 2370 mm |
| Fuel Tank Capacity | 50 L | 35 L |
