1989 Alfa Romeo RZ vs. 1991 Pontiac Bonneville
To start off, 1991 Pontiac Bonneville is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Alfa Romeo RZ. In addition, the cost of maintenance, including insurance, on 1989 Alfa Romeo RZ would be higher. At 3,791 cc (6 cylinders), 1991 Pontiac Bonneville is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1991 Pontiac Bonneville weights approximately 120 kg more than 1989 Alfa Romeo RZ.
Because 1989 Alfa Romeo RZ 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 1989 Alfa Romeo RZ. 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) has 27 more torque (in Nm) than 1989 Alfa Romeo RZ. (244 Nm). This means 1991 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1989 Alfa Romeo RZ.
Compare all specifications:
| 1989 Alfa Romeo RZ | 1991 Pontiac Bonneville | |
| Make | Alfa Romeo | Pontiac |
| Model | RZ | Bonneville |
| Year Released | 1989 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 0 HP | 150 HP |
| Torque | 244 Nm | 271 Nm |
| Engine Bore Size | 93 mm | 96.6 mm |
| Engine Stroke Size | 72.9 mm | 86.4 mm |
| Engine Compression Ratio | 9.5:1 | 8.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1380 kg | 1500 kg |
| Vehicle Length | 4340 mm | 5050 mm |
| Wheelbase Size | 2520 mm | 2820 mm |
