2006 BMW 645 vs. 1999 Steyr G-series
To start off, 2006 BMW 645 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Steyr G-series. In addition, the cost of maintenance, including insurance, on 1999 Steyr G-series would be higher. At 4,966 cc (8 cylinders), 1999 Steyr G-series is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 36 more horse power than 1999 Steyr G-series. (292 HP @ 5500 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1999 Steyr G-series. With that said, vehicle weight also plays an important factor in acceleration. 1999 Steyr G-series weights approximately 454 kg more than 2006 BMW 645.
Because 1999 Steyr G-series is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 1999 Steyr G-series 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 2 more torque (in Nm) than 1999 Steyr G-series. (448 Nm @ 2600 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1999 Steyr G-series. 1999 Steyr G-series has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Steyr G-series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 1999 Steyr G-series | |
| Make | BMW | Steyr |
| Model | 645 | G-series |
| Year Released | 2006 | 1999 |
| Engine Size | 4398 cc | 4966 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 328 HP | 292 HP |
| Engine RPM | 6100 RPM | 5500 RPM |
| Torque | 450 Nm | 448 Nm |
| Torque RPM | 3600 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1836 kg | 2290 kg |
| Vehicle Length | 4830 mm | 4240 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1940 mm |
| Wheelbase Size | 2790 mm | 2410 mm |
