2007 BMW X3 vs. 1975 Pontiac Bonneville
To start off, 2007 BMW X3 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1975 Pontiac Bonneville would be higher. At 6,556 cc (8 cylinders), 1975 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (268 HP @ 6600 RPM) has 100 more horse power than 1975 Pontiac Bonneville. (168 HP @ 4000 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1975 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1975 Pontiac Bonneville weights approximately 290 kg more than 2007 BMW X3.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Pontiac Bonneville. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 will offer significantly more control. 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 Bonneville (415 Nm @ 2200 RPM) has 100 more torque (in Nm) than 2007 BMW X3. (315 Nm @ 2750 RPM). This means 1975 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 1975 Pontiac Bonneville | |
| Make | BMW | Pontiac |
| Model | X3 | Bonneville |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 6556 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 268 HP | 168 HP |
| Engine RPM | 6600 RPM | 4000 RPM |
| Torque | 315 Nm | 415 Nm |
| Torque RPM | 2750 RPM | 2200 RPM |
| Engine Bore Size | 85 mm | 104.6 mm |
| Engine Stroke Size | 88 mm | 95.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1815 kg | 2105 kg |
| Vehicle Length | 4570 mm | 5750 mm |
| Vehicle Width | 1680 mm | 2030 mm |
| Vehicle Height | 1860 mm | 1380 mm |
| Wheelbase Size | 2800 mm | 3140 mm |
