1983 BMW M6 vs. 1975 Pontiac Firebird
To start off, 1983 BMW M6 is newer by 8 year(s). Which means there will be less support and parts availability for 1975 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1975 Pontiac Firebird would be higher. At 6,547 cc (8 cylinders), 1975 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1975 Pontiac Firebird (285 HP @ 4400 RPM) has 3 more horse power than 1983 BMW M6. (282 HP @ 6500 RPM) In normal driving conditions, 1975 Pontiac Firebird should accelerate faster than 1983 BMW M6. With that said, vehicle weight also plays an important factor in acceleration. 1975 Pontiac Firebird weights approximately 91 kg more than 1983 BMW M6. 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, 1975 Pontiac Firebird (421 Nm @ 2400 RPM) has 87 more torque (in Nm) than 1983 BMW M6. (334 Nm @ 4500 RPM). This means 1975 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW M6.
Compare all specifications:
| 1983 BMW M6 | 1975 Pontiac Firebird | |
| Make | BMW | Pontiac |
| Model | M6 | Firebird |
| Year Released | 1983 | 1975 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 6547 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 282 HP | 285 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 334 Nm | 421 Nm |
| Torque RPM | 4500 RPM | 2400 RPM |
| Engine Bore Size | 93.4 mm | 104.7 mm |
| Engine Stroke Size | 84 mm | 95.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1505 kg | 1596 kg |
| Vehicle Length | 4760 mm | 4880 mm |
| Vehicle Width | 1730 mm | 1870 mm |
| Vehicle Height | 1360 mm | 1290 mm |
| Wheelbase Size | 2630 mm | 2750 mm |
| Fuel Tank Capacity | 70 L | 76 L |
