1983 BMW M6 vs. 1985 Pontiac Firebird
To start off, 1985 Pontiac Firebird is newer by 2 year(s). Which means there will be less support and parts availability for 1983 BMW M6. In addition, the cost of maintenance, including insurance, on 1983 BMW M6 would be higher. At 3,453 cc (6 cylinders), 1983 BMW M6 is equipped with a bigger engine. In terms of performance, 1983 BMW M6 (282 HP @ 6500 RPM) has 149 more horse power than 1985 Pontiac Firebird. (133 HP @ 5100 RPM). In normal driving conditions, 1983 BMW M6 should accelerate faster than 1985 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1983 BMW M6 weights approximately 149 kg more than 1985 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1983 BMW M6 (334 Nm @ 4500 RPM) has 111 more torque (in Nm) than 1985 Pontiac Firebird. (223 Nm @ 3600 RPM). This means 1983 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1985 Pontiac Firebird.
Compare all specifications:
| 1983 BMW M6 | 1985 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | M6 | Firebird |
| Year Released | 1983 | 1985 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 2827 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 282 HP | 133 HP |
| Engine RPM | 6500 RPM | 5100 RPM |
| Torque | 334 Nm | 223 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 93.4 mm | 88.9 mm |
| Engine Stroke Size | 84 mm | 75.9 mm |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1505 kg | 1356 kg |
| Vehicle Length | 4760 mm | 4850 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1270 mm |
| Wheelbase Size | 2630 mm | 2740 mm |
| Fuel Tank Capacity | 70 L | 60 L |
