1991 Audi Coupe vs. 2009 Audi A4
To start off, 2009 Audi A4 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 2,770 cc (6 cylinders), 1991 Audi Coupe is equipped with a bigger engine. In terms of performance, 1991 Audi Coupe (174 HP @ 5500 RPM) has 61 more horse power than 2009 Audi A4. (113 HP @ 4000 RPM). In normal driving conditions, 1991 Audi Coupe should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 216 kg more than 1991 Audi Coupe.
Because 1991 Audi Coupe is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 1991 Audi Coupe 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, 2009 Audi A4 (285 Nm @ 1900 RPM) has 36 more torque (in Nm) than 1991 Audi Coupe. (249 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe. 1991 Audi Coupe has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Audi Coupe will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi Coupe | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | Coupe | A4 |
| Year Released | 1991 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2770 cc | 1896 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 174 HP | 113 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 249 Nm | 285 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Engine Bore Size | 82.5 mm | 79.6 mm |
| Engine Stroke Size | 86.4 mm | 95.5 mm |
| Engine Compression Ratio | 10.0:1 | 19.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1174 kg | 1390 kg |
| Vehicle Length | 4370 mm | 4590 mm |
| Vehicle Width | 1720 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2560 mm | 2650 mm |
| Fuel Tank Capacity | 80 L | 70 L |
