2007 Jeep Grand Cherokee vs. 1977 Pontiac Firebird
To start off, 2007 Jeep Grand Cherokee is newer by 30 year(s). Which means there will be less support and parts availability for 1977 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Firebird would be higher. At 6,059 cc (8 cylinders), 2007 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2007 Jeep Grand Cherokee (420 HP @ 6200 RPM) has 295 more horse power than 1977 Pontiac Firebird. (125 HP @ 3200 RPM). In normal driving conditions, 2007 Jeep Grand Cherokee should accelerate faster than 1977 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Grand Cherokee weights approximately 756 kg more than 1977 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Jeep Grand Cherokee is four wheel drive (4WD), it will have significant more traction and grip than 1977 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2007 Jeep Grand Cherokee 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 Jeep Grand Cherokee (570 Nm @ 4800 RPM) has 238 more torque (in Nm) than 1977 Pontiac Firebird. (332 Nm @ 2000 RPM). This means 2007 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1977 Pontiac Firebird.
Compare all specifications:
| 2007 Jeep Grand Cherokee | 1977 Pontiac Firebird | |
| Make | Jeep | Pontiac |
| Model | Grand Cherokee | Firebird |
| Year Released | 2007 | 1977 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 6059 cc | 3790 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 420 HP | 125 HP |
| Engine RPM | 6200 RPM | 3200 RPM |
| Torque | 570 Nm | 332 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Compression Ratio | 10.3:1 | 8.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 150 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2226 kg | 1470 kg |
| Vehicle Length | 4960 mm | 4880 mm |
| Vehicle Width | 1870 mm | 1870 mm |
| Vehicle Height | 1700 mm | 1290 mm |
| Wheelbase Size | 2790 mm | 2750 mm |
