2005 Cadillac XLR vs. 1975 Pontiac Bonneville
To start off, 2005 Cadillac XLR is newer by 30 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, 2005 Cadillac XLR (322 HP @ 6400 RPM) has 154 more horse power than 1975 Pontiac Bonneville. (168 HP @ 4000 RPM). In normal driving conditions, 2005 Cadillac XLR should accelerate faster than 1975 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1975 Pontiac Bonneville weights approximately 451 kg more than 2005 Cadillac XLR.
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, 2005 Cadillac XLR (420 Nm @ 4000 RPM) has 5 more torque (in Nm) than 1975 Pontiac Bonneville. (415 Nm @ 2200 RPM). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1975 Pontiac Bonneville.
Compare all specifications:
| 2005 Cadillac XLR | 1975 Pontiac Bonneville | |
| Make | Cadillac | Pontiac |
| Model | XLR | Bonneville |
| Year Released | 2005 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 4564 cc | 6556 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 168 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 420 Nm | 415 Nm |
| Torque RPM | 4000 RPM | 2200 RPM |
| Engine Bore Size | 93 mm | 104.6 mm |
| Engine Stroke Size | 84 mm | 95.3 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1654 kg | 2105 kg |
| Vehicle Length | 4520 mm | 5750 mm |
| Vehicle Width | 1840 mm | 2030 mm |
| Vehicle Height | 1290 mm | 1380 mm |
| Wheelbase Size | 2690 mm | 3140 mm |
