2003 BMW X3 vs. 1976 Pontiac Firebird
To start off, 2003 BMW X3 is newer by 27 year(s). Which means there will be less support and parts availability for 1976 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1976 Pontiac Firebird would be higher. At 7,467 cc (8 cylinders), 1976 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1976 Pontiac Firebird (335 HP @ 4800 RPM) has 150 more horse power than 2003 BMW X3. (185 HP @ 6000 RPM) In normal driving conditions, 1976 Pontiac Firebird should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 390 kg more than 1976 Pontiac Firebird.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1976 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2003 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.
Compare all specifications:
| 2003 BMW X3 | 1976 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | X3 | Firebird |
| Year Released | 2003 | 1976 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 7467 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 185 HP | 335 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 104.9 mm |
| Engine Stroke Size | 75 mm | 108 mm |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1450 kg |
| Vehicle Length | 4570 mm | 4870 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1680 mm | 1280 mm |
| Wheelbase Size | 2800 mm | 2750 mm |
