1991 Audi Coupe 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 Coupe. In addition, the cost of maintenance, including insurance, on 1991 Audi Coupe would be higher. At 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 191 more horse power than 1991 Audi Coupe. (111 HP @ 5300 RPM) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 505 kg more than 1991 Audi Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1991 Audi Coupe, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 201 more torque (in Nm) than 1991 Audi Coupe. (168 Nm @ 3250 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe. 2009 Cadillac STS has automatic transmission and 1991 Audi Coupe has manual transmission. 1991 Audi Coupe will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi Coupe | 2009 Cadillac STS | |
| Make | Audi | Cadillac |
| Model | Coupe | STS |
| Year Released | 1991 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1982 cc | 3599 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 111 HP | 302 HP |
| Engine RPM | 5300 RPM | 6300 RPM |
| Torque | 168 Nm | 369 Nm |
| Torque RPM | 3250 RPM | 5200 RPM |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1130 kg | 1635 kg |
| Vehicle Length | 4490 mm | 5000 mm |
| Vehicle Width | 1720 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2560 mm | 2960 mm |
| Fuel Tank Capacity | 64 L | 64 L |
