2005 Opel Signum vs. 1991 Volkswagen Quantum
To start off, 2005 Opel Signum is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Volkswagen Quantum. In addition, the cost of maintenance, including insurance, on 1991 Volkswagen Quantum would be higher. At 1,993 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 1991 Volkswagen Quantum (109 HP @ 5600 RPM) has 10 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 1991 Volkswagen Quantum should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 465 kg more than 1991 Volkswagen Quantum.
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, 2005 Opel Signum (230 Nm @ 1500 RPM) has 57 more torque (in Nm) than 1991 Volkswagen Quantum. (173 Nm @ 3000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1991 Volkswagen Quantum. 1991 Volkswagen Quantum has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Volkswagen Quantum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Signum | 1991 Volkswagen Quantum | |
| Make | Opel | Volkswagen |
| Model | Signum | Quantum |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1983 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 99 HP | 109 HP |
| Engine RPM | 3120 RPM | 5600 RPM |
| Torque | 230 Nm | 173 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 90 mm | 92.8 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1595 kg | 1130 kg |
| Vehicle Length | 4640 mm | 4620 mm |
| Vehicle Width | 1800 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1520 mm |
| Wheelbase Size | 2740 mm | 2560 mm |
