1980 BMW M5 vs. 1977 Pontiac Bonneville
To start off, 1980 BMW M5 is newer by 3 year(s). Which means there will be less support and parts availability for 1977 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Bonneville would be higher. At 5,734 cc (8 cylinders), 1977 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1980 BMW M5 (218 HP @ 5200 RPM) has 50 more horse power than 1977 Pontiac Bonneville. (168 HP @ 3800 RPM). In normal driving conditions, 1980 BMW M5 should accelerate faster than 1977 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1977 Pontiac Bonneville weights approximately 714 kg more than 1980 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, 1977 Pontiac Bonneville (373 Nm @ 2000 RPM) has 69 more torque (in Nm) than 1980 BMW M5. (304 Nm @ 4000 RPM). This means 1977 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1980 BMW M5. 1977 Pontiac Bonneville has automatic transmission and 1980 BMW M5 has manual transmission. 1980 BMW M5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1980 BMW M5 | 1977 Pontiac Bonneville | |
| Make | BMW | Pontiac |
| Model | M5 | Bonneville |
| Year Released | 1980 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 5734 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 218 HP | 168 HP |
| Engine RPM | 5200 RPM | 3800 RPM |
| Torque | 304 Nm | 373 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1391 kg | 2105 kg |
| Vehicle Length | 4620 mm | 5750 mm |
| Vehicle Width | 1700 mm | 2030 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2640 mm | 3140 mm |
