2008 Audi A8 vs. 2009 BMW 135
To start off, 2009 BMW 135 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 5,998 cc, 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (450 HP @ 6200 RPM) has 148 more horse power than 2009 BMW 135. (302 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2009 BMW 135.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 135. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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 Audi A8 (580 Nm @ 4000 RPM) has 180 more torque (in Nm) than 2009 BMW 135. (400 Nm @ 1300 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 135.
Compare all specifications:
| 2008 Audi A8 | 2009 BMW 135 | |
| Make | Audi | BMW |
| Model | A8 | 135 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 2979 cc |
| Engine Type | W | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 302 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 580 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 1300 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5200 mm | 4370 mm |
| Vehicle Width | 1900 mm | 1410 mm |
| Vehicle Height | 1460 mm | 1760 mm |
| Wheelbase Size | 3080 mm | 2670 mm |
| Fuel Consumption Overall | 13.8 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 90 L | 53 L |
