1999 BMW Z8 vs. 2005 Pontiac Bonneville
To start off, 2005 Pontiac Bonneville is newer by 6 year(s). Which means there will be less support and parts availability for 1999 BMW Z8. In addition, the cost of maintenance, including insurance, on 1999 BMW Z8 would be higher. At 4,939 cc (8 cylinders), 1999 BMW Z8 is equipped with a bigger engine. In terms of performance, 1999 BMW Z8 (400 HP @ 6600 RPM) has 195 more horse power than 2005 Pontiac Bonneville. (205 HP @ 5200 RPM). In normal driving conditions, 1999 BMW Z8 should accelerate faster than 2005 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Bonneville weights approximately 83 kg more than 1999 BMW Z8.
Because 1999 BMW Z8 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 1999 BMW Z8. 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, 1999 BMW Z8 (500 Nm) has 187 more torque (in Nm) than 2005 Pontiac Bonneville. (313 Nm). This means 1999 BMW Z8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Bonneville. 2005 Pontiac Bonneville has automatic transmission and 1999 BMW Z8 has manual transmission. 1999 BMW Z8 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:
| 1999 BMW Z8 | 2005 Pontiac Bonneville | |
| Make | BMW | Pontiac |
| Model | Z8 | Bonneville |
| Year Released | 1999 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4939 cc | 3786 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 400 HP | 205 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 500 Nm | 313 Nm |
| Engine Bore Size | 94 mm | 97 mm |
| Engine Stroke Size | 89 mm | 86 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1668 kg |
| Vehicle Length | 4410 mm | 5150 mm |
| Vehicle Width | 1840 mm | 1890 mm |
| Vehicle Height | 1320 mm | 1440 mm |
| Wheelbase Size | 2510 mm | 2800 mm |
| Fuel Consumption Highway | 10.6 L/100km | 8.1 L/100km |
| Fuel Consumption City | 21.1 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 14.5 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 73 L | 68 L |
