1999 Audi S8 vs. 2013 Cadillac CTS
To start off, 2013 Cadillac CTS is newer by 14 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 4,170 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 2013 Cadillac CTS (314 HP @ 6800 RPM) has 67 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2013 Cadillac CTS should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac CTS weights approximately 108 kg more than 1999 Audi S8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are all wheel drive (AWD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2013 Cadillac CTS (373 Nm @ 4900 RPM) has 43 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2013 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2013 Cadillac CTS | |
| Make | Audi | Cadillac |
| Model | S8 | CTS |
| Year Released | 1999 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 314 HP |
| Engine RPM | 7000 RPM | 6800 RPM |
| Torque | 330 Nm | 373 Nm |
| Torque RPM | 3400 RPM | 4900 RPM |
| Engine Bore Size | 84.5 mm | 94 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 11.3 |
| Drive Type | AWD | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1858 kg |
| Vehicle Length | 5040 mm | 4788 mm |
| Vehicle Width | 1890 mm | 1882 mm |
| Vehicle Height | 1420 mm | 1442 mm |
| Wheelbase Size | 2890 mm | 2880 mm |
| Fuel Consumption Highway | 9.5 L/100km | 8.7 L/100km |
| Fuel Consumption City | 21.7 L/100km | 13 L/100km |
| Fuel Consumption Overall | 13.9 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 90 L | 68 L |
