1991 Alfa Romeo 75 vs. 2005 Audi S6
To start off, 2005 Audi S6 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo 75 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 226 more horse power than 1991 Alfa Romeo 75. (109 HP @ 6000 RPM) In normal driving conditions, 2005 Audi S6 should accelerate faster than 1991 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 700 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.
Because 2005 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alfa Romeo 75. In wet, icy, snow, or gravel driving conditions, 2005 Audi S6 will offer significantly more control. 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, 2005 Audi S6 (420 Nm @ 3400 RPM) has 271 more torque (in Nm) than 1991 Alfa Romeo 75. (149 Nm @ 4000 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo 75. 2005 Audi S6 has automatic transmission and 1991 Alfa Romeo 75 has manual transmission. 1991 Alfa Romeo 75 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Alfa Romeo 75 | 2005 Audi S6 | |
| Make | Alfa Romeo | Audi |
| Model | 75 | S6 |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1567 cc | 4172 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 109 HP | 335 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 149 Nm | 420 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Bore Size | 78 mm | 84.5 mm |
| Engine Stroke Size | 82 mm | 93 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1060 kg | 1760 kg |
| Wheelbase Size | 2520 mm | 2770 mm |
| Fuel Tank Capacity | 49 L | 82 L |
