1991 Alfa Romeo 75 vs. 1990 Opel Lotus Omega
To start off, 1991 Alfa Romeo 75 is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Opel Lotus Omega. In addition, the cost of maintenance, including insurance, on 1990 Opel Lotus Omega would be higher. At 3,615 cc (6 cylinders), 1990 Opel Lotus Omega is equipped with a bigger engine. In terms of performance, 1990 Opel Lotus Omega (377 HP @ 5200 RPM) has 268 more horse power than 1991 Alfa Romeo 75. (109 HP @ 6000 RPM) In normal driving conditions, 1990 Opel Lotus Omega should accelerate faster than 1991 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 1990 Opel Lotus Omega weights approximately 603 kg more than 1991 Alfa Romeo 75. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1990 Opel Lotus Omega (568 Nm @ 4200 RPM) has 419 more torque (in Nm) than 1991 Alfa Romeo 75. (149 Nm @ 4000 RPM). This means 1990 Opel Lotus Omega will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo 75.
Compare all specifications:
| 1991 Alfa Romeo 75 | 1990 Opel Lotus Omega | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Lotus Omega |
| Year Released | 1991 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1567 cc | 3615 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 109 HP | 377 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 149 Nm | 568 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 78 mm | 95 mm |
| Engine Stroke Size | 82 mm | 85 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1060 kg | 1663 kg |
| Vehicle Length | 4340 mm | 4690 mm |
| Vehicle Width | 1670 mm | 1940 mm |
| Vehicle Height | 1410 mm | 1440 mm |
| Wheelbase Size | 2520 mm | 2740 mm |
| Fuel Tank Capacity | 49 L | 75 L |
