1991 Alfa Romeo 33 vs. 2006 Audi A4
To start off, 2006 Audi A4 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 2,393 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (168 HP @ 6000 RPM) has 81 more horse power than 1991 Alfa Romeo 33. (87 HP @ 6000 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 1991 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 615 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 Audi A4 (230 Nm @ 3200 RPM) has 117 more torque (in Nm) than 1991 Alfa Romeo 33. (113 Nm @ 4500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo 33.
Compare all specifications:
| 1991 Alfa Romeo 33 | 2006 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | 33 | A4 |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1351 cc | 2393 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 87 HP | 168 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 113 Nm | 230 Nm |
| Torque RPM | 4500 RPM | 3200 RPM |
| Engine Bore Size | 80 mm | 81 mm |
| Engine Stroke Size | 67.2 mm | 77.4 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 985 kg | 1600 kg |
| Vehicle Length | 4210 mm | 4580 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1400 mm |
| Wheelbase Size | 2480 mm | 2660 mm |
| Fuel Tank Capacity | 50 L | 70 L |
