2007 Lexus RX vs. 1978 Pontiac Firebird
To start off, 2007 Lexus RX is newer by 29 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 5,012 cc (8 cylinders), 1978 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2007 Lexus RX (272 HP @ 6200 RPM) has 127 more horse power than 1978 Pontiac Firebird. (145 HP @ 3800 RPM). In normal driving conditions, 2007 Lexus RX should accelerate faster than 1978 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus RX weights approximately 314 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 2007 Lexus RX 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, 2007 Lexus RX 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 Lexus RX (342 Nm @ 4700 RPM) has 18 more torque (in Nm) than 1978 Pontiac Firebird. (324 Nm @ 2400 RPM). This means 2007 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 1978 Pontiac Firebird.
Compare all specifications:
| 2007 Lexus RX | 1978 Pontiac Firebird | |
| Make | Lexus | Pontiac |
| Model | RX | Firebird |
| Year Released | 2007 | 1978 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3456 cc | 5012 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 272 HP | 145 HP |
| Engine RPM | 6200 RPM | 3800 RPM |
| Torque | 342 Nm | 324 Nm |
| Torque RPM | 4700 RPM | 2400 RPM |
| Engine Compression Ratio | 10.8:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 195 km/hour | 160 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1596 kg |
| Vehicle Length | 4580 mm | 4880 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1680 mm | 1290 mm |
| Wheelbase Size | 2730 mm | 2750 mm |
| Fuel Tank Capacity | 75 L | 76 L |
