1973 AC 428 vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 29 year(s). Which means there will be less support and parts availability for 1973 AC 428. In addition, the cost of maintenance, including insurance, on 1973 AC 428 would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 1973 AC 428 (298 HP @ 4600 RPM) has 145 more horse power than 2002 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1973 AC 428 should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 55 kg more than 1973 AC 428.
Because 1973 AC 428 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 1973 AC 428. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 389 more torque (in Nm) than 2002 Opel Signum. (250 Nm @ 3800 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Signum. 2002 Opel Signum has automatic transmission and 1973 AC 428 has manual transmission. 1973 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
1973 AC 428 | 2002 Opel Signum | |
Make | AC | Opel |
Model | 428 | Signum |
Year Released | 1973 | 2002 |
Engine Position | Front | Front |
Engine Size | 7002 cc | 2172 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 298 HP | 153 HP |
Engine RPM | 4600 RPM | 5600 RPM |
Torque | 639 Nm | 250 Nm |
Torque RPM | 2800 RPM | 3800 RPM |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1430 kg | 1485 kg |
Vehicle Length | 4430 mm | 4640 mm |
Vehicle Width | 1710 mm | 1800 mm |
Vehicle Height | 1310 mm | 1470 mm |
Wheelbase Size | 2450 mm | 2710 mm |