2009 Audi A4 vs. 1986 Pontiac Grand Am
To start off, 2009 Audi A4 is newer by 23 year(s). Which means there will be less support and parts availability for 1986 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1986 Pontiac Grand Am would be higher. At 2,496 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (161 HP @ 4000 RPM) has 71 more horse power than 1986 Pontiac Grand Am. (90 HP @ 4400 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1986 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 380 kg more than 1986 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2009 Audi A4 (350 Nm @ 1500 RPM) has 171 more torque (in Nm) than 1986 Pontiac Grand Am. (179 Nm @ 2800 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Pontiac Grand Am.
Compare all specifications:
| 2009 Audi A4 | 1986 Pontiac Grand Am | |
| Make | Audi | Pontiac |
| Model | A4 | Grand Am |
| Year Released | 2009 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2471 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 161 HP | 90 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 350 Nm | 179 Nm |
| Torque RPM | 1500 RPM | 2800 RPM |
| Engine Bore Size | 78.3 mm | 101.6 mm |
| Engine Stroke Size | 86.4 mm | 76.2 mm |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1510 kg | 1130 kg |
| Vehicle Length | 4550 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1340 mm |
| Wheelbase Size | 2660 mm | 2630 mm |
