2004 Alfa Romeo Spider vs. 1991 Pontiac Bonneville
To start off, 2004 Alfa Romeo Spider is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1991 Pontiac Bonneville would be higher. At 3,791 cc (6 cylinders), 1991 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo Spider (237 HP @ 6200 RPM) has 87 more horse power than 1991 Pontiac Bonneville. (150 HP @ 4400 RPM). In normal driving conditions, 2004 Alfa Romeo Spider should accelerate faster than 1991 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1991 Pontiac Bonneville weights approximately 6 kg more than 2004 Alfa Romeo Spider.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2004 Alfa Romeo Spider (300 Nm @ 4800 RPM) has 29 more torque (in Nm) than 1991 Pontiac Bonneville. (271 Nm @ 2000 RPM). This means 2004 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1991 Pontiac Bonneville.
Compare all specifications:
| 2004 Alfa Romeo Spider | 1991 Pontiac Bonneville | |
| Make | Alfa Romeo | Pontiac |
| Model | Spider | Bonneville |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 237 HP | 150 HP |
| Engine RPM | 6200 RPM | 4400 RPM |
| Torque | 300 Nm | 271 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 96.6 mm |
| Engine Stroke Size | 78 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1494 kg | 1500 kg |
| Vehicle Length | 4310 mm | 5050 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1330 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2820 mm |
| Fuel Tank Capacity | 70 L | 68 L |
