2007 BMW X3 vs. 1987 Pontiac Firebird
To start off, 2007 BMW X3 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1987 Pontiac Firebird would be higher. At 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 127 more horse power than 1987 Pontiac Firebird. (133 HP @ 5100 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1987 Pontiac Firebird.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Pontiac Firebird. 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 (305 Nm @ 2750 RPM) has 75 more torque (in Nm) than 1987 Pontiac Firebird. (230 Nm @ 3600 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1987 Pontiac Firebird.
Compare all specifications:
| 2007 BMW X3 | 1987 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | X3 | Firebird |
| Year Released | 2007 | 1987 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2825 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 260 HP | 133 HP |
| Engine RPM | 6600 RPM | 5100 RPM |
| Torque | 305 Nm | 230 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Engine Bore Size | 85.1 mm | 88.9 mm |
| Engine Stroke Size | 87.9 mm | 75.9 mm |
| Engine Compression Ratio | 10.7:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 5 doors | 2 doors |
