1999 Audi S8 vs. 2006 Cadillac XLR
To start off, 2006 Cadillac XLR is newer by 7 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), 2006 Cadillac XLR is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 15 more horse power than 2006 Cadillac XLR. (320 HP @ 6400 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2006 Cadillac XLR. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 74 kg more than 2006 Cadillac XLR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2006 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, 2006 Cadillac XLR (420 Nm @ 4400 RPM) has 89 more torque (in Nm) than 1999 Audi S8. (331 Nm @ 3400 RPM). This means 2006 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 | 2006 Cadillac XLR | |
| Make | Audi | Cadillac |
| Model | S8 | XLR |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4572 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 320 HP |
| Engine RPM | 7000 RPM | 6400 RPM |
| Torque | 331 Nm | 420 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 5.9 seconds |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1656 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 Consumption Highway | 9.7 L/100km | 9.4 L/100km |
| Fuel Consumption City | 20.8 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 13.7 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 90 L | 68 L |
