2004 BMW X5 vs. 1972 Pontiac Firebird
To start off, 2004 BMW X5 is newer by 32 year(s). Which means there will be less support and parts availability for 1972 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1972 Pontiac Firebird would be higher. At 7,456 cc (8 cylinders), 1972 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2004 BMW X5 (355 HP @ 6200 RPM) has 54 more horse power than 1972 Pontiac Firebird. (301 HP @ 4000 RPM). In normal driving conditions, 2004 BMW X5 should accelerate faster than 1972 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X5 weights approximately 599 kg more than 1972 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1972 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, 1972 Pontiac Firebird (563 Nm @ 3200 RPM) has 63 more torque (in Nm) than 2004 BMW X5. (500 Nm @ 3600 RPM). This means 1972 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW X5. 2004 BMW X5 has automatic transmission and 1972 Pontiac Firebird has manual transmission. 1972 Pontiac Firebird will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW X5 | 1972 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | X5 | Firebird |
| Year Released | 2004 | 1972 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 7456 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 355 HP | 301 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 500 Nm | 563 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Engine Bore Size | 93.1 mm | 105.4 mm |
| Engine Stroke Size | 88.3 mm | 106.9 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2275 kg | 1676 kg |
| Vehicle Length | 4670 mm | 4870 mm |
| Vehicle Width | 1880 mm | 1870 mm |
| Vehicle Height | 1730 mm | 1290 mm |
| Wheelbase Size | 2940 mm | 2750 mm |
| Fuel Tank Capacity | 93 L | 64 L |
