1986 BMW M5 vs. 1974 Pontiac Bonneville
To start off, 1986 BMW M5 is newer by 12 year(s). Which means there will be less support and parts availability for 1974 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1974 Pontiac Bonneville would be higher. At 6,558 cc (8 cylinders), 1974 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1986 BMW M5 (218 HP @ 5200 RPM) has 50 more horse power than 1974 Pontiac Bonneville. (168 HP @ 4000 RPM). In normal driving conditions, 1986 BMW M5 should accelerate faster than 1974 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1974 Pontiac Bonneville weights approximately 586 kg more than 1986 BMW M5.
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, 1974 Pontiac Bonneville (415 Nm @ 2200 RPM) has 105 more torque (in Nm) than 1986 BMW M5. (310 Nm @ 4000 RPM). This means 1974 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW M5.
Compare all specifications:
| 1986 BMW M5 | 1974 Pontiac Bonneville | |
| Make | BMW | Pontiac |
| Model | M5 | Bonneville |
| Year Released | 1986 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 3428 cc | 6558 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 218 HP | 168 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 310 Nm | 415 Nm |
| Torque RPM | 4000 RPM | 2200 RPM |
| Engine Bore Size | 92 mm | 104.6 mm |
| Engine Stroke Size | 86 mm | 95.3 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1519 kg | 2105 kg |
| Vehicle Length | 4630 mm | 5750 mm |
| Vehicle Width | 1710 mm | 2030 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2630 mm | 3140 mm |
