2005 Chevrolet Avalanche vs. 1977 Pontiac Firebird
To start off, 2005 Chevrolet Avalanche is newer by 28 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 8,128 cc (8 cylinders), 2005 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Avalanche (320 HP @ 5600 RPM) has 35 more horse power than 1977 Pontiac Firebird. (285 HP @ 4400 RPM). In normal driving conditions, 2005 Chevrolet Avalanche should accelerate faster than 1977 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Avalanche weights approximately 1388 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 2005 Chevrolet Avalanche 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, 2005 Chevrolet Avalanche 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, 2005 Chevrolet Avalanche (597 Nm) has 176 more torque (in Nm) than 1977 Pontiac Firebird. (421 Nm). This means 2005 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 1977 Pontiac Firebird.
Compare all specifications:
| 2005 Chevrolet Avalanche | 1977 Pontiac Firebird | |
| Make | Chevrolet | Pontiac |
| Model | Avalanche | Firebird |
| Year Released | 2005 | 1977 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 8128 cc | 6547 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 320 HP | 285 HP |
| Engine RPM | 5600 RPM | 4400 RPM |
| Torque | 597 Nm | 421 Nm |
| Engine Bore Size | 108 mm | 104.7 mm |
| Engine Stroke Size | 111 mm | 95.3 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2984 kg | 1596 kg |
| Vehicle Length | 5640 mm | 4880 mm |
| Vehicle Width | 2030 mm | 1870 mm |
| Vehicle Height | 1880 mm | 1290 mm |
| Wheelbase Size | 3310 mm | 2750 mm |
| Fuel Tank Capacity | 140 L | 76 L |
