1986 AC Ace vs. 2008 Audi S4
To start off, 2008 Audi S4 is newer by 22 year(s). Which means there will be less support and parts availability for 1986 AC Ace. In addition, the cost of maintenance, including insurance, on 1986 AC Ace would be higher. At 4,163 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 139 more horse power than 1986 AC Ace. (201 HP @ 6000 RPM) In normal driving conditions, 2008 Audi S4 should accelerate faster than 1986 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 140 kg more than 1986 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 S4 (410 Nm @ 3500 RPM) has 134 more torque (in Nm) than 1986 AC Ace. (276 Nm @ 4500 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1986 AC Ace.
Compare all specifications:
| 1986 AC Ace | 2008 Audi S4 | |
| Make | AC | Audi |
| Model | Ace | S4 |
| Year Released | 1986 | 2008 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 201 HP | 340 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 276 Nm | 410 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Compression Ratio | 8.0:1 | 11.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1020 kg | 1160 kg |
| Vehicle Length | 3970 mm | 4580 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1180 mm | 1400 mm |
| Wheelbase Size | 2480 mm | 2660 mm |
| Fuel Tank Capacity | 65 L | 63 L |
