1985 BMW M5 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 23 year(s). Which means there will be less support and parts availability for 1985 BMW M5. In addition, the cost of maintenance, including insurance, on 1985 BMW M5 would be higher. At 3,453 cc (6 cylinders), 1985 BMW M5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (260 HP @ 6600 RPM) has 4 more horse power than 1985 BMW M5. (256 HP @ 4800 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 1985 BMW M5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 50 kg more than 1985 BMW M5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1985 BMW M5. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 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, 2008 BMW X5 (305 Nm @ 2750 RPM) has 15 more torque (in Nm) than 1985 BMW M5. (290 Nm @ 4500 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1985 BMW M5. 2008 BMW X5 has automatic transmission and 1985 BMW M5 has manual transmission. 1985 BMW M5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 BMW M5 | 2008 BMW X5 | |
| Make | BMW | BMW |
| Model | M5 | X5 |
| Year Released | 1985 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 260 HP |
| Engine RPM | 4800 RPM | 6600 RPM |
| Torque | 290 Nm | 305 Nm |
| Torque RPM | 4500 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1500 kg | 1550 kg |
| Vehicle Length | 4630 mm | 4860 mm |
| Vehicle Width | 1710 mm | 1940 mm |
| Vehicle Height | 1410 mm | 1770 mm |
| Wheelbase Size | 2580 mm | 2940 mm |
| Fuel Consumption | 9.7 L/100km | 11.4 L/100km |
| Fuel Consumption City | 16.5 L/100km | 15.8 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
