1953 AC Ace vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 46 year(s). Which means there will be less support and parts availability for 1953 AC Ace. In addition, the cost of maintenance, including insurance, on 1953 AC Ace would be higher. At 3,175 cc (6 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (208 HP @ 6200 RPM) has 123 more horse power than 1953 AC Ace. (85 HP @ 4500 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 1953 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 848 kg more than 1953 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1953 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 1953 AC Ace. However, in wet, icy, snow, or gravel driving conditions, 1999 Opel 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 Opel Signum (300 Nm @ 4000 RPM) has 151 more torque (in Nm) than 1953 AC Ace. (149 Nm @ 2500 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1953 AC Ace.
Compare all specifications:
| 1953 AC Ace | 1999 Opel Signum | |
| Make | AC | Opel |
| Model | Ace | Signum |
| Year Released | 1953 | 1999 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 208 HP |
| Engine RPM | 4500 RPM | 6200 RPM |
| Torque | 149 Nm | 300 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 65 mm | 87.5 mm |
| Engine Stroke Size | 100 mm | 88 mm |
| Engine Compression Ratio | 7.5:1 | 10.0:1 |
| Top Speed | 167 km/hour | 237 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 762 kg | 1610 kg |
| Vehicle Length | 3850 mm | 4640 mm |
| Vehicle Width | 1520 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1470 mm |
| Wheelbase Size | 2290 mm | 2840 mm |
| Fuel Tank Capacity | 59 L | 52 L |
