1991 Audi S2 vs. 2010 BMW X5
To start off, 2010 BMW X5 is newer by 19 year(s). Which means there will be less support and parts availability for 1991 Audi S2. In addition, the cost of maintenance, including insurance, on 1991 Audi S2 would be higher. At 2,993 cc (6 cylinders), 2010 BMW X5 is equipped with a bigger engine. In terms of performance, 2010 BMW X5 (244 HP @ 4000 RPM) has 28 more horse power than 1991 Audi S2. (216 HP @ 5900 RPM) In normal driving conditions, 2010 BMW X5 should accelerate faster than 1991 Audi S2. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW X5 weights approximately 730 kg more than 1991 Audi S2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2010 BMW X5 (540 Nm @ 1750 RPM) has 231 more torque (in Nm) than 1991 Audi S2. (309 Nm @ 1950 RPM). This means 2010 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi S2. 2010 BMW X5 has automatic transmission and 1991 Audi S2 has manual transmission. 1991 Audi S2 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi S2 | 2010 BMW X5 | |
| Make | Audi | BMW |
| Model | S2 | X5 |
| Year Released | 1991 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2993 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 244 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 309 Nm | 540 Nm |
| Torque RPM | 1950 RPM | 1750 RPM |
| Engine Bore Size | 81.1 mm | 90 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Acceleration 0-100mph | 6.1 seconds | 7.6 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1420 kg | 2150 kg |
| Vehicle Length | 4410 mm | 4857 mm |
| Vehicle Width | 1720 mm | 1933 mm |
| Vehicle Height | 1380 mm | 1776 mm |
| Wheelbase Size | 2560 mm | 2934 mm |
| Fuel Consumption Highway | 9.3 L/100km | 6.7 L/100km |
| Fuel Consumption City | 14.3 L/100km | 8.7 L/100km |
| Fuel Consumption Overall | 8.3 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
