2005 Audi S4 vs. 1981 Pontiac Grand Safari
To start off, 2005 Audi S4 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Pontiac Grand Safari. In addition, the cost of maintenance, including insurance, on 1981 Pontiac Grand Safari would be higher. At 4,942 cc (8 cylinders), 1981 Pontiac Grand Safari is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 191 more horse power than 1981 Pontiac Grand Safari. (149 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1981 Pontiac Grand Safari. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 40 kg more than 1981 Pontiac Grand Safari. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 85 more torque (in Nm) than 1981 Pontiac Grand Safari. (325 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Pontiac Grand Safari.
Compare all specifications:
| 2005 Audi S4 | 1981 Pontiac Grand Safari | |
| Make | Audi | Pontiac |
| Model | S4 | Grand Safari |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 149 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 410 Nm | 325 Nm |
| Engine Bore Size | 85 mm | 101.6 mm |
| Engine Stroke Size | 93 mm | 76.2 mm |
| Vehicle Weight | 1840 kg | 1800 kg |
| Vehicle Length | 4580 mm | 5450 mm |
| Vehicle Width | 1780 mm | 2020 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2950 mm |
