2003 BMW X5 vs. 1978 Pontiac Firebird
To start off, 2003 BMW X5 is newer by 25 year(s). Which means there will be less support and parts availability for 1978 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1978 Pontiac Firebird would be higher. At 3,790 cc (6 cylinders), 1978 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2003 BMW X5 (215 HP @ 4000 RPM) has 90 more horse power than 1978 Pontiac Firebird. (125 HP @ 3200 RPM). In normal driving conditions, 2003 BMW X5 should accelerate faster than 1978 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 700 kg more than 1978 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 BMW X5 (500 Nm @ 2000 RPM) has 168 more torque (in Nm) than 1978 Pontiac Firebird. (332 Nm @ 2000 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Pontiac Firebird.
Compare all specifications:
2003 BMW X5 | 1978 Pontiac Firebird | |
Make | BMW | Pontiac |
Model | X5 | Firebird |
Year Released | 2003 | 1978 |
Body Type | SUV | Coupe |
Engine Position | Front | Front |
Engine Size | 2979 cc | 3790 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 215 HP | 125 HP |
Engine RPM | 4000 RPM | 3200 RPM |
Torque | 500 Nm | 332 Nm |
Torque RPM | 2000 RPM | 2000 RPM |
Engine Compression Ratio | 18.0:1 | 8.4:1 |
Drive Type | 4WD | Rear |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 2170 kg | 1470 kg |
Vehicle Length | 4670 mm | 4880 mm |
Vehicle Width | 1880 mm | 1870 mm |
Vehicle Height | 1720 mm | 1290 mm |
Wheelbase Size | 2940 mm | 2750 mm |