1999 AC Ace vs. 2005 Audi A4
To start off, 2005 Audi A4 is newer by 6 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 134 more horse power than 2005 Audi A4. (217 HP @ 4000 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 673 kg more than 1999 AC Ace.
Let's talk about torque, 1999 AC Ace (400 Nm) has 100 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 1999 AC Ace | 2005 Audi A4 | |
| Make | AC | Audi |
| Model | Ace | A4 |
| Year Released | 1999 | 2005 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 2976 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 351 HP | 217 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 400 Nm | 300 Nm |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 81 mm | 93 mm |
| Engine Compression Ratio | 8.0:1 | 10.1:1 |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1025 kg | 1698 kg |
| Vehicle Length | 4430 mm | 4580 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1400 mm |
| Wheelbase Size | 2480 mm | 2660 mm |
| Fuel Tank Capacity | 90 L | 70 L |
