2008 BMW M5 vs. 2009 BMW 128
To start off, 2009 BMW 128 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW M5. In addition, the cost of maintenance, including insurance, on 2008 BMW M5 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M5 is equipped with a bigger engine. In terms of performance, 2008 BMW M5 (500 HP @ 7750 RPM) has 269 more horse power than 2009 BMW 128. (231 HP @ 6500 RPM). In normal driving conditions, 2008 BMW M5 should accelerate faster than 2009 BMW 128.
Because 2008 BMW M5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 128. In wet, icy, snow, or gravel driving conditions, 2008 BMW M5 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 M5 (519 Nm @ 6100 RPM) has 248 more torque (in Nm) than 2009 BMW 128. (271 Nm @ 2750 RPM). This means 2008 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 128.
Compare all specifications:
| 2008 BMW M5 | 2009 BMW 128 | |
| Make | BMW | BMW |
| Model | M5 | 128 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2996 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 231 HP |
| Engine RPM | 7750 RPM | 6500 RPM |
| Torque | 519 Nm | 271 Nm |
| Torque RPM | 6100 RPM | 2750 RPM |
| Engine Compression Ratio | 12.0:1 | 16.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4870 mm | 4370 mm |
| Vehicle Width | 1850 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2670 mm |
| Fuel Consumption Highway | 13.1 L/100km | 8.4 L/100km |
| Fuel Consumption City | 19.6 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 14 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 53 L |
