1991 Alfa Romeo SZ vs. 1971 BMW Touring
To start off, 1991 Alfa Romeo SZ is newer by 20 year(s). Which means there will be less support and parts availability for 1971 BMW Touring. In addition, the cost of maintenance, including insurance, on 1971 BMW Touring 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 123 more horse power than 1971 BMW Touring. (85 HP @ 5700 RPM). In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 1971 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alfa Romeo SZ weights approximately 230 kg more than 1971 BMW Touring. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Alfa Romeo SZ (245 Nm @ 4500 RPM) has 115 more torque (in Nm) than 1971 BMW Touring. (130 Nm @ 3500 RPM). This means 1991 Alfa Romeo SZ will have an easier job in driving up hills or pulling heavy equipment than 1971 BMW Touring.
Compare all specifications:
| 1991 Alfa Romeo SZ | 1971 BMW Touring | |
| Make | Alfa Romeo | BMW |
| Model | SZ | Touring |
| Year Released | 1991 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1573 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 208 HP | 85 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 245 Nm | 130 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84.1 mm |
| Engine Stroke Size | 72.6 mm | 71 mm |
| Engine Compression Ratio | 10.0:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1260 kg | 1030 kg |
| Vehicle Length | 4670 mm | 4120 mm |
| Vehicle Width | 1740 mm | 1600 mm |
| Vehicle Height | 1320 mm | 1390 mm |
| Wheelbase Size | 2520 mm | 2510 mm |
