1991 Alfa Romeo SZ vs. 1991 Pontiac Bonneville
To start off, both 1991 Alfa Romeo SZ and 1991 Pontiac Bonneville were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,791 cc (6 cylinders), 1991 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo SZ (208 HP @ 6200 RPM) has 58 more horse power than 1991 Pontiac Bonneville. (150 HP @ 4400 RPM). In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 1991 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1991 Pontiac Bonneville weights approximately 240 kg more than 1991 Alfa Romeo SZ.
Because 1991 Alfa Romeo SZ is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Alfa Romeo SZ. However, in wet, icy, snow, or gravel driving conditions, 1991 Pontiac Bonneville, being front wheel drive (FWD), will offer much better control with better grip. 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 Pontiac Bonneville (271 Nm @ 2000 RPM) has 26 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 1991 Pontiac Bonneville 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 | 1991 Pontiac Bonneville | |
| Make | Alfa Romeo | Pontiac |
| Model | SZ | Bonneville |
| Year Released | 1991 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 208 HP | 150 HP |
| Engine RPM | 6200 RPM | 4400 RPM |
| Torque | 245 Nm | 271 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 96.6 mm |
| Engine Stroke Size | 72.6 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1500 kg |
| Vehicle Length | 4670 mm | 5050 mm |
| Vehicle Width | 1740 mm | 1850 mm |
| Vehicle Height | 1320 mm | 1420 mm |
| Wheelbase Size | 2520 mm | 2820 mm |
| Fuel Tank Capacity | 50 L | 68 L |
