1999 AC Ace vs. 2003 Vauxhall Signum
To start off, 2003 Vauxhall Signum is newer by 4 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 231 more horse power than 2003 Vauxhall Signum. (120 HP @ 6000 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 2003 Vauxhall Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vauxhall Signum weights approximately 370 kg more than 1999 AC Ace.
Because 1999 AC Ace is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 AC Ace. However, in wet, icy, snow, or gravel driving conditions, 2003 Vauxhall Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 233 more torque (in Nm) than 2003 Vauxhall Signum. (167 Nm @ 3800 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 2003 Vauxhall Signum.
Compare all specifications:
| 1999 AC Ace | 2003 Vauxhall Signum | |
| Make | AC | Vauxhall |
| Model | Ace | Signum |
| Year Released | 1999 | 2003 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 351 HP | 120 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 400 Nm | 167 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1025 kg | 1395 kg |
| Vehicle Length | 4430 mm | 4640 mm |
| Vehicle Width | 1880 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2480 mm | 2840 mm |
