1991 Alfa Romeo 33 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 16 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 2,494 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (190 HP @ 6000 RPM) has 103 more horse power than 1991 Alfa Romeo 33. (87 HP @ 6000 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 1991 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 830 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.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alfa Romeo 33. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 will offer significantly more control. 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, 2007 BMW X3 (245 Nm @ 3500 RPM) has 132 more torque (in Nm) than 1991 Alfa Romeo 33. (113 Nm @ 4500 RPM). This means 2007 BMW X3 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 | 2007 BMW X3 | |
| Make | Alfa Romeo | BMW |
| Model | 33 | X3 |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1351 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 190 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 113 Nm | 245 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 67.2 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 985 kg | 1815 kg |
| Vehicle Length | 4210 mm | 4570 mm |
| Vehicle Width | 1620 mm | 1860 mm |
| Vehicle Height | 1360 mm | 1680 mm |
| Wheelbase Size | 2480 mm | 2800 mm |
| Fuel Tank Capacity | 50 L | 67 L |
