2003 Opel Signum vs. 1977 Pontiac Bonneville
To start off, 2003 Opel Signum is newer by 26 year(s). Which means there will be less support and parts availability for 1977 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Bonneville would be higher. At 5,734 cc (8 cylinders), 1977 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (173 HP @ 5600 RPM) has 5 more horse power than 1977 Pontiac Bonneville. (168 HP @ 3800 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 1977 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1977 Pontiac Bonneville weights approximately 610 kg more than 2003 Opel Signum.
Because 1977 Pontiac Bonneville 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 1977 Pontiac Bonneville. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Signum, 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, 1977 Pontiac Bonneville (373 Nm @ 2000 RPM) has 93 more torque (in Nm) than 2003 Opel Signum. (280 Nm @ 2500 RPM). This means 1977 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2003 Opel Signum | 1977 Pontiac Bonneville | |
| Make | Opel | Pontiac |
| Model | Signum | Bonneville |
| Year Released | 2003 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 5734 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 168 HP |
| Engine RPM | 5600 RPM | 3800 RPM |
| Torque | 280 Nm | 373 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1495 kg | 2105 kg |
| Vehicle Length | 4640 mm | 5750 mm |
| Vehicle Width | 1800 mm | 2030 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2720 mm | 3140 mm |
