1999 Audi A6 vs. 1975 Opel Manta
To start off, 1999 Audi A6 is newer by 24 year(s). Which means there will be less support and parts availability for 1975 Opel Manta. In addition, the cost of maintenance, including insurance, on 1975 Opel Manta would be higher. At 1,781 cc (4 cylinders), 1999 Audi A6 is equipped with a bigger engine. In terms of performance, 1999 Audi A6 (149 HP @ 5700 RPM) has 82 more horse power than 1975 Opel Manta. (67 HP @ 5200 RPM). In normal driving conditions, 1999 Audi A6 should accelerate faster than 1975 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A6 weights approximately 432 kg more than 1975 Opel Manta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Opel Manta 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 1975 Opel Manta. However, in wet, icy, snow, or gravel driving conditions, 1999 Audi A6, 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 Audi A6 (210 Nm @ 1750 RPM) has 102 more torque (in Nm) than 1975 Opel Manta. (108 Nm @ 3400 RPM). This means 1999 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Manta.
Compare all specifications:
| 1999 Audi A6 | 1975 Opel Manta | |
| Make | Audi | Opel |
| Model | A6 | Manta |
| Year Released | 1999 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1584 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 67 HP |
| Engine RPM | 5700 RPM | 5200 RPM |
| Torque | 210 Nm | 108 Nm |
| Torque RPM | 1750 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 85 mm |
| Engine Stroke Size | 86.4 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1380 kg | 948 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1820 mm | 1640 mm |
| Vehicle Height | 1460 mm | 1360 mm |
| Wheelbase Size | 2850 mm | 2440 mm |
