1981 BMW 725 vs. 1997 Pontiac Bonneville
To start off, 1997 Pontiac Bonneville is newer by 16 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 3,789 cc (6 cylinders), 1997 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1997 Pontiac Bonneville (200 HP) has 52 more horse power than 1981 BMW 725. (148 HP) In normal driving conditions, 1997 Pontiac Bonneville should accelerate faster than 1981 BMW 725.
Because 1981 BMW 725 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 1981 BMW 725. However, in wet, icy, snow, or gravel driving conditions, 1997 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, 1997 Pontiac Bonneville (318 Nm @ 4000 RPM) has 103 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 1997 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 1981 BMW 725 | 1997 Pontiac Bonneville | |
| Make | BMW | Pontiac |
| Model | 725 | Bonneville |
| Year Released | 1981 | 1997 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 3789 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 148 HP | 200 HP |
| Torque | 215 Nm | 318 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 96.5 mm |
| Engine Stroke Size | 71.6 mm | 86.4 mm |
| Engine Compression Ratio | 9.6:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4870 mm | 5120 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2810 mm | 2700 mm |
