1999 AC Ace vs. 1999 Opel Omega
To start off, both 1999 AC Ace and 1999 Opel Omega were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 209 more horse power than 1999 Opel Omega. (142 HP @ 5400 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 708 kg more than 1999 AC Ace.
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, 1999 AC Ace (400 Nm @ 4000 RPM) has 191 more torque (in Nm) than 1999 Opel Omega. (209 Nm @ 4000 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1999 AC Ace | 1999 Opel Omega | |
| Make | AC | Opel |
| Model | Ace | Omega |
| Year Released | 1999 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 2196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 351 HP | 142 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 400 Nm | 209 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 81 mm | 94.6 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1025 kg | 1733 kg |
| Vehicle Length | 4430 mm | 4900 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2480 mm | 2850 mm |
| Fuel Tank Capacity | 90 L | 75 L |
