2008 BMW M5 vs. 2013 Cadillac XTS
To start off, 2013 Cadillac XTS is newer by 5 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 186 more horse power than 2013 Cadillac XTS. (314 HP @ 6800 RPM). In normal driving conditions, 2008 BMW M5 should accelerate faster than 2013 Cadillac XTS. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac XTS weights approximately 82 kg more than 2008 BMW M5.
Because 2013 Cadillac XTS is all wheel drive (AWD), it will have significant more traction and grip than 2008 BMW M5. In wet, icy, snow, or gravel driving conditions, 2013 Cadillac XTS 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 (520 Nm @ 6100 RPM) has 162 more torque (in Nm) than 2013 Cadillac XTS. (358 Nm @ 5200 RPM). This means 2008 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2013 Cadillac XTS.
Compare all specifications:
| 2008 BMW M5 | 2013 Cadillac XTS | |
| Make | BMW | Cadillac |
| Model | M5 | XTS |
| Year Released | 2008 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 3564 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 314 HP |
| Engine RPM | 7750 RPM | 6800 RPM |
| Torque | 520 Nm | 358 Nm |
| Torque RPM | 6100 RPM | 5200 RPM |
| Engine Bore Size | 92 mm | 94 mm |
| Engine Stroke Size | 75.2 mm | 86 mm |
| Engine Compression Ratio | 12.0:1 | 11.5 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1912 kg |
| Vehicle Length | 4860 mm | 5131 mm |
| Vehicle Width | 1850 mm | 1852 mm |
| Vehicle Height | 1480 mm | 1510 mm |
| Wheelbase Size | 2900 mm | 2831 mm |
| Fuel Consumption Overall | 14.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 76 L |
