1991 Audi V8 vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Audi V8. In addition, the cost of maintenance, including insurance, on 1991 Audi V8 would be higher. At 4,172 cc (8 cylinders), 1991 Audi V8 is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 22 more horse power than 1991 Audi V8. (280 HP @ 5800 RPM) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1991 Audi V8. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi V8 weights approximately 77 kg more than 2009 Cadillac STS.
Because 1991 Audi V8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 1991 Audi V8 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, 1991 Audi V8 (400 Nm @ 4000 RPM) has 31 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 1991 Audi V8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 1991 Audi V8 | 2009 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | V8 | STS |
| Year Released | 1991 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3599 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 280 HP | 302 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 400 Nm | 369 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Engine Compression Ratio | 10.6:1 | 11.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1712 kg | 1635 kg |
| Vehicle Length | 4880 mm | 5000 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2960 mm |
