1999 AC Ace vs. 2006 Audi A6
To start off, 2006 Audi A6 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 AC Ace. In addition, the cost of maintenance, including insurance, on 1999 AC Ace would be higher. At 3,506 cc (8 cylinders), 1999 AC Ace is equipped with a bigger engine. In terms of performance, 1999 AC Ace (351 HP @ 6500 RPM) has 99 more horse power than 2006 Audi A6. (252 HP @ 6500 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 655 kg more than 1999 AC Ace.
Because 2006 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1999 AC Ace. In wet, icy, snow, or gravel driving conditions, 2006 Audi A6 will offer significantly more control. 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, 1999 AC Ace (400 Nm @ 4000 RPM) has 70 more torque (in Nm) than 2006 Audi A6. (330 Nm @ 3250 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 1999 AC Ace | 2006 Audi A6 | |
| Make | AC | Audi |
| Model | Ace | A6 |
| Year Released | 1999 | 2006 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 3123 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 351 HP | 252 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 400 Nm | 330 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 81 mm | 92.8 mm |
| Engine Compression Ratio | 8.0:1 | 13.0:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1025 kg | 1680 kg |
| Vehicle Length | 4430 mm | 4920 mm |
| Vehicle Width | 1880 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2480 mm | 2850 mm |
| Fuel Tank Capacity | 90 L | 80 L |
