1991 Nissan Sunny vs. 2001 Opel Vectra
To start off, 2001 Opel Vectra is newer by 10 year(s). Which means there will be less support and parts availability for 1991 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1991 Nissan Sunny would be higher. At 2,172 cc (4 cylinders), 2001 Opel Vectra is equipped with a bigger engine. In terms of performance, 2001 Opel Vectra (123 HP @ 4000 RPM) has 49 more horse power than 1991 Nissan Sunny. (74 HP @ 4800 RPM) In normal driving conditions, 2001 Opel Vectra should accelerate faster than 1991 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Vectra weights approximately 368 kg more than 1991 Nissan Sunny. 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, 2001 Opel Vectra (280 Nm @ 1500 RPM) has 148 more torque (in Nm) than 1991 Nissan Sunny. (132 Nm @ 2800 RPM). This means 2001 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1991 Nissan Sunny. 2001 Opel Vectra has automatic transmission and 1991 Nissan Sunny has manual transmission. 1991 Nissan Sunny will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Nissan Sunny | 2001 Opel Vectra | |
| Make | Nissan | Opel |
| Model | Sunny | Vectra |
| Year Released | 1991 | 2001 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1973 cc | 2172 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 123 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 132 Nm | 280 Nm |
| Torque RPM | 2800 RPM | 1500 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1528 kg |
| Vehicle Length | 4180 mm | 4500 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1530 mm | 1470 mm |
