1999 Audi S8 vs. 2005 Cadillac XLR
To start off, 2005 Cadillac XLR is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 would be higher. At 4,572 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2005 Cadillac XLR (301 HP @ 6500 RPM) has 54 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2005 Cadillac XLR should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 96 kg more than 2005 Cadillac XLR.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Cadillac XLR. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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, 2005 Cadillac XLR (420 Nm @ 4400 RPM) has 90 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2005 Cadillac XLR | |
| Make | Audi | Cadillac |
| Model | S8 | XLR |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 4572 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 301 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 330 Nm | 420 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Engine Bore Size | 84.5 mm | 93.1 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Acceleration 0-100mph | 6.6 seconds | 5.9 seconds |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1654 kg |
| Vehicle Length | 5040 mm | 4520 mm |
| Vehicle Width | 1890 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1290 mm |
| Wheelbase Size | 2890 mm | 2690 mm |
| Fuel Tank Capacity | 90 L | 68 L |
