1999 Audi S8 vs. 2009 Cadillac CTS
To start off, 2009 Cadillac CTS is newer by 10 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, 2009 Cadillac CTS (259 HP @ 6200 RPM) has 12 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2009 Cadillac CTS should accelerate faster than 1999 Audi S8.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 Cadillac CTS. 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, 1999 Audi S8 (330 Nm @ 3400 RPM) has 77 more torque (in Nm) than 2009 Cadillac CTS. (253 Nm @ 3100 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac CTS. 1999 Audi S8 has automatic transmission and 2009 Cadillac CTS has manual transmission. 2009 Cadillac CTS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi S8 | 2009 Cadillac CTS | |
| Make | Audi | Cadillac |
| Model | S8 | CTS |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 3564 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 259 HP |
| Engine RPM | 7000 RPM | 6200 RPM |
| Torque | 330 Nm | 253 Nm |
| Torque RPM | 3400 RPM | 3100 RPM |
| Engine Bore Size | 84.5 mm | 94 mm |
| Engine Stroke Size | 93 mm | 85 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
