2008 Audi A4 vs. 1991 Porsche 964
To start off, 2008 Audi A4 is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Porsche 964. In addition, the cost of maintenance, including insurance, on 1991 Porsche 964 would be higher. At 3,600 cc (6 cylinders), 1991 Porsche 964 is equipped with a bigger engine. In terms of performance, 1991 Porsche 964 (261 HP @ 6100 RPM) has 6 more horse power than 2008 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 1991 Porsche 964 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 105 kg more than 1991 Porsche 964.
Both vehicles are four wheel drive (4WD) - 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, 2008 Audi A4 (330 Nm @ 3250 RPM) has 12 more torque (in Nm) than 1991 Porsche 964. (318 Nm @ 4800 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 964. 2008 Audi A4 has automatic transmission and 1991 Porsche 964 has manual transmission. 1991 Porsche 964 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A4 | 1991 Porsche 964 | |
| Make | Audi | Porsche |
| Model | A4 | 964 |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Rear |
| Engine Size | 3123 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 255 HP | 261 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 330 Nm | 318 Nm |
| Torque RPM | 3250 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1310 kg | 1205 kg |
| Vehicle Length | 4580 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2280 mm |
| Fuel Tank Capacity | 63 L | 73 L |
