2005 Audi S4 vs. 1991 Mercury Tracer
To start off, 2005 Audi S4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Mercury Tracer. In addition, the cost of maintenance, including insurance, on 1991 Mercury Tracer would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 213 more horse power than 1991 Mercury Tracer. (127 HP @ 6500 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1991 Mercury Tracer. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 740 kg more than 1991 Mercury Tracer. 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 256 more torque (in Nm) than 1991 Mercury Tracer. (154 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercury Tracer.
Compare all specifications:
| 2005 Audi S4 | 1991 Mercury Tracer | |
| Make | Audi | Mercury |
| Model | S4 | Tracer |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 1839 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 127 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 410 Nm | 154 Nm |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1840 kg | 1100 kg |
| Vehicle Length | 4580 mm | 4350 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1350 mm |
| Wheelbase Size | 2660 mm | 2510 mm |
