1999 Opel Zafira vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 4 year(s). Which means there will be less support and parts availability for 1999 Opel Zafira. In addition, the cost of maintenance, including insurance, on 1999 Opel Zafira would be higher. At 3,175 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (209 HP @ 6200 RPM) has 124 more horse power than 1999 Opel Zafira. (85 HP @ 4400 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1999 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 25 kg more than 1999 Opel Zafira. 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 Opel Signum (300 Nm @ 4000 RPM) has 112 more torque (in Nm) than 1999 Opel Zafira. (188 Nm @ 1800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Zafira.
Compare all specifications:
| 1999 Opel Zafira | 2003 Opel Signum | |
| Make | Opel | Opel |
| Model | Zafira | Signum |
| Year Released | 1999 | 2003 |
| Body Type | Minivan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 85 HP | 209 HP |
| Engine RPM | 4400 RPM | 6200 RPM |
| Torque | 188 Nm | 300 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1545 kg |
| Vehicle Length | 4320 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1690 mm | 1470 mm |
| Wheelbase Size | 2700 mm | 2840 mm |
| Fuel Tank Capacity | 58 L | 60 L |
