1991 Mazda 323 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Mazda 323. In addition, the cost of maintenance, including insurance, on 1991 Mazda 323 would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 4000 RPM) has 101 more horse power than 1991 Mazda 323. (74 HP @ 6200 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1991 Mazda 323. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 745 kg more than 1991 Mazda 323. 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 (371 Nm @ 1900 RPM) has 267 more torque (in Nm) than 1991 Mazda 323. (104 Nm @ 3700 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 323. 2003 Opel Signum has automatic transmission and 1991 Mazda 323 has manual transmission. 1991 Mazda 323 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Mazda 323 | 2003 Opel Signum | |
| Make | Mazda | Opel |
| Model | 323 | Signum |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1324 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 74 HP | 175 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 104 Nm | 371 Nm |
| Torque RPM | 3700 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 925 kg | 1670 kg |
| Vehicle Length | 4040 mm | 4640 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2700 mm |
| Fuel Tank Capacity | 50 L | 60 L |
