1971 AC 428 vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 28 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 198 more horse power than 1999 Opel Omega. (100 HP @ 4300 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 240 kg more than 1971 AC 428.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 430 more torque (in Nm) than 1999 Opel Omega. (209 Nm @ 1650 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1971 AC 428 | 1999 Opel Omega | |
| Make | AC | Opel |
| Model | 428 | Omega |
| Year Released | 1971 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 1992 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 100 HP |
| Engine RPM | 4600 RPM | 4300 RPM |
| Torque | 639 Nm | 209 Nm |
| Torque RPM | 2800 RPM | 1650 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1670 kg |
| Vehicle Length | 4430 mm | 4900 mm |
| Vehicle Width | 1710 mm | 1790 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2450 mm | 2740 mm |
