1980 BMW M5 vs. 1989 Pontiac Bonneville
To start off, 1989 Pontiac Bonneville is newer by 9 year(s). Which means there will be less support and parts availability for 1980 BMW M5. In addition, the cost of maintenance, including insurance, on 1980 BMW M5 would be higher. At 3,791 cc (6 cylinders), 1989 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1980 BMW M5 (218 HP @ 5200 RPM) has 70 more horse power than 1989 Pontiac Bonneville. (148 HP @ 4400 RPM). In normal driving conditions, 1980 BMW M5 should accelerate faster than 1989 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1989 Pontiac Bonneville weights approximately 109 kg more than 1980 BMW M5.
Because 1980 BMW M5 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 1980 BMW M5. However, in wet, icy, snow, or gravel driving conditions, 1989 Pontiac Bonneville, 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, 1980 BMW M5 (304 Nm @ 4000 RPM) has 33 more torque (in Nm) than 1989 Pontiac Bonneville. (271 Nm @ 2000 RPM). This means 1980 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1989 Pontiac Bonneville. 1989 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. 1989 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1980 BMW M5 | 1989 Pontiac Bonneville | |
| Make | BMW | Pontiac |
| Model | M5 | Bonneville |
| Year Released | 1980 | 1989 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 218 HP | 148 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 304 Nm | 271 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 93.4 mm | 96.6 mm |
| Engine Stroke Size | 84 mm | 86.4 mm |
| Engine Compression Ratio | 9.3:1 | 8.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1391 kg | 1500 kg |
| Vehicle Length | 4620 mm | 5060 mm |
| Vehicle Width | 1700 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2640 mm | 2820 mm |
| Fuel Tank Capacity | 70 L | 68 L |
