2007 Opel Vivaro vs. 1977 Pontiac Firebird
To start off, 2007 Opel Vivaro 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 3,790 cc (6 cylinders), 1977 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1977 Pontiac Firebird (125 HP @ 3200 RPM) has 25 more horse power than 2007 Opel Vivaro. (100 HP @ 3500 RPM) In normal driving conditions, 1977 Pontiac Firebird should accelerate faster than 2007 Opel Vivaro. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vivaro weights approximately 207 kg more than 1977 Pontiac Firebird.
Because 1977 Pontiac Firebird is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Vivaro, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 Pontiac Firebird (332 Nm @ 2000 RPM) has 92 more torque (in Nm) than 2007 Opel Vivaro. (240 Nm @ 2000 RPM). This means 1977 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vivaro.
Compare all specifications:
| 2007 Opel Vivaro | 1977 Pontiac Firebird | |
| Make | Opel | Pontiac |
| Model | Vivaro | Firebird |
| Year Released | 2007 | 1977 |
| Body Type | Van | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1870 cc | 3790 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 100 HP | 125 HP |
| Engine RPM | 3500 RPM | 3200 RPM |
| Torque | 240 Nm | 332 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Compression Ratio | 18.3:1 | 8.4:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 155 km/hour | 150 km/hour |
| Drive Type | Front | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1677 kg | 1470 kg |
| Vehicle Length | 4790 mm | 4880 mm |
| Vehicle Width | 1970 mm | 1870 mm |
| Vehicle Height | 1910 mm | 1290 mm |
| Wheelbase Size | 3100 mm | 2750 mm |
