1991 Alfa Romeo 33 vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo 33. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo 33 would be higher. At 2,957 cc (6 cylinders), 2006 Opel Vectra is equipped with a bigger engine. In terms of performance, 2006 Opel Vectra (175 HP @ 4000 RPM) has 88 more horse power than 1991 Alfa Romeo 33. (87 HP @ 6000 RPM) In normal driving conditions, 2006 Opel Vectra should accelerate faster than 1991 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Vectra weights approximately 628 kg more than 1991 Alfa Romeo 33. 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, 2006 Opel Vectra (370 Nm @ 1900 RPM) has 257 more torque (in Nm) than 1991 Alfa Romeo 33. (113 Nm @ 4500 RPM). This means 2006 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo 33. 2006 Opel Vectra has automatic transmission and 1991 Alfa Romeo 33 has manual transmission. 1991 Alfa Romeo 33 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Alfa Romeo 33 | 2006 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 33 | Vectra |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1351 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 87 HP | 175 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 113 Nm | 370 Nm |
| Torque RPM | 4500 RPM | 1900 RPM |
| Engine Bore Size | 80 mm | 87.5 mm |
| Engine Stroke Size | 67.2 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 985 kg | 1613 kg |
| Vehicle Length | 4210 mm | 4600 mm |
| Vehicle Width | 1620 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2480 mm | 2710 mm |
| Fuel Tank Capacity | 50 L | 61 L |
