2004 BMW X5 vs. 1984 Pontiac Firebird
To start off, 2004 BMW X5 is newer by 20 year(s). Which means there will be less support and parts availability for 1984 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1984 Pontiac Firebird would be higher. At 2,978 cc (6 cylinders), 2004 BMW X5 is equipped with a bigger engine. In terms of performance, 2004 BMW X5 (228 HP @ 7400 RPM) has 95 more horse power than 1984 Pontiac Firebird. (133 HP @ 5100 RPM). In normal driving conditions, 2004 BMW X5 should accelerate faster than 1984 Pontiac Firebird.
Because 2004 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1984 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2004 BMW X5 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, 2004 BMW X5 (290 Nm) has 67 more torque (in Nm) than 1984 Pontiac Firebird. (223 Nm). This means 2004 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1984 Pontiac Firebird.
Compare all specifications:
| 2004 BMW X5 | 1984 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | X5 | Firebird |
| Year Released | 2004 | 1984 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2978 cc | 2827 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 228 HP | 133 HP |
| Engine RPM | 7400 RPM | 5100 RPM |
| Torque | 290 Nm | 223 Nm |
| Engine Bore Size | 84 mm | 88.9 mm |
| Engine Stroke Size | 90 mm | 75.9 mm |
| Engine Compression Ratio | 10.2:1 | 8.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4670 mm | 4880 mm |
| Vehicle Width | 1880 mm | 1860 mm |
| Vehicle Height | 1770 mm | 1380 mm |
| Wheelbase Size | 2940 mm | 2580 mm |
| Fuel Tank Capacity | 92 L | 60 L |
