2003 Cadillac Seville vs. 1991 Pontiac Bonneville
To start off, 2003 Cadillac Seville is newer by 12 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 4,565 cc (8 cylinders), 2003 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2003 Cadillac Seville (300 HP @ 6000 RPM) has 150 more horse power than 1991 Pontiac Bonneville. (150 HP @ 4400 RPM). In normal driving conditions, 2003 Cadillac Seville should accelerate faster than 1991 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2003 Cadillac Seville weights approximately 306 kg more than 1991 Pontiac Bonneville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Cadillac Seville (407 Nm @ 4500 RPM) has 136 more torque (in Nm) than 1991 Pontiac Bonneville. (271 Nm @ 2000 RPM). This means 2003 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1991 Pontiac Bonneville.
Compare all specifications:
| 2003 Cadillac Seville | 1991 Pontiac Bonneville | |
| Make | Cadillac | Pontiac |
| Model | Seville | Bonneville |
| Year Released | 2003 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 150 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 407 Nm | 271 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 96.6 mm |
| Engine Stroke Size | 84 mm | 86.4 mm |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1806 kg | 1500 kg |
| Vehicle Length | 5110 mm | 5050 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2820 mm |
| Fuel Tank Capacity | 70 L | 68 L |
