1991 Alfa Romeo SZ vs. 1989 Dodge Viper
To start off, 1991 Alfa Romeo SZ is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Dodge Viper. In addition, the cost of maintenance, including insurance, on 1989 Dodge Viper would be higher. At 7,994 cc (10 cylinders), 1989 Dodge Viper is equipped with a bigger engine. In terms of performance, 1989 Dodge Viper (400 HP @ 4600 RPM) has 192 more horse power than 1991 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 1989 Dodge Viper should accelerate faster than 1991 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 1989 Dodge Viper weights approximately 194 kg more than 1991 Alfa Romeo SZ. 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, 1989 Dodge Viper (610 Nm @ 3600 RPM) has 365 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 1989 Dodge Viper will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ.
Compare all specifications:
| 1991 Alfa Romeo SZ | 1989 Dodge Viper | |
| Make | Alfa Romeo | Dodge |
| Model | SZ | Viper |
| Year Released | 1991 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 7994 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 208 HP | 400 HP |
| Engine RPM | 6200 RPM | 4600 RPM |
| Torque | 245 Nm | 610 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 93 mm | 101.6 mm |
| Engine Stroke Size | 72.6 mm | 98.6 mm |
| Engine Compression Ratio | 10.0:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 233 km/hour | 257 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 Weight | 1260 kg | 1454 kg |
| Vehicle Length | 4670 mm | 4380 mm |
| Vehicle Width | 1740 mm | 1930 mm |
| Vehicle Height | 1320 mm | 1180 mm |
| Wheelbase Size | 2520 mm | 2450 mm |
| Fuel Tank Capacity | 50 L | 83 L |
