1975 Jaguar XJS vs. 2005 Pontiac Bonneville
To start off, 2005 Pontiac Bonneville is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1975 Jaguar XJS would be higher. At 5,342 cc (12 cylinders), 1975 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1975 Jaguar XJS (291 HP @ 5500 RPM) has 16 more horse power than 2005 Pontiac Bonneville. (275 HP @ 5200 RPM). In normal driving conditions, 1975 Jaguar XJS should accelerate faster than 2005 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1975 Jaguar XJS weights approximately 51 kg more than 2005 Pontiac Bonneville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Jaguar XJS 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 1975 Jaguar XJS. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1975 Jaguar XJS (431 Nm) has 24 more torque (in Nm) than 2005 Pontiac Bonneville. (407 Nm). This means 1975 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Bonneville. 2005 Pontiac Bonneville has automatic transmission and 1975 Jaguar XJS has manual transmission. 1975 Jaguar XJS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Jaguar XJS | 2005 Pontiac Bonneville | |
| Make | Jaguar | Pontiac |
| Model | XJS | Bonneville |
| Year Released | 1975 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5342 cc | 4572 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 291 HP | 275 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 431 Nm | 407 Nm |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1719 kg |
| Vehicle Length | 4770 mm | 5150 mm |
| Vehicle Width | 1800 mm | 1890 mm |
| Vehicle Height | 1270 mm | 1440 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption Overall | 12.1 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 86 L | 68 L |
