1999 Opel Omega vs. 1991 Pontiac Bonneville
To start off, 1999 Opel Omega is newer by 8 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, 1999 Opel Omega (180 HP @ 6000 RPM) has 30 more horse power than 1991 Pontiac Bonneville. (150 HP @ 4400 RPM). In normal driving conditions, 1999 Opel Omega should accelerate faster than 1991 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 185 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.
Because 1999 Opel Omega 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 1999 Opel Omega. 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 51 more torque (in Nm) than 1999 Opel Omega. (220 Nm @ 3400 RPM). This means 1991 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1999 Opel Omega | 1991 Pontiac Bonneville | |
| Make | Opel | Pontiac |
| Model | Omega | Bonneville |
| Year Released | 1999 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2597 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 180 HP | 150 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 220 Nm | 271 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 83.2 mm | 96.6 mm |
| Engine Stroke Size | 79.6 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 8.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1685 kg | 1500 kg |
| Vehicle Length | 4900 mm | 5050 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2610 mm | 2820 mm |
| Fuel Tank Capacity | 75 L | 68 L |
