1991 Audi 100 vs. 2004 BMW X5
To start off, 2004 BMW X5 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 4,799 cc (8 cylinders), 2004 BMW X5 is equipped with a bigger engine. In terms of performance, 2004 BMW X5 (355 HP @ 6200 RPM) has 184 more horse power than 1991 Audi 100. (171 HP @ 5500 RPM) In normal driving conditions, 2004 BMW X5 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X5 weights approximately 775 kg more than 1991 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2004 BMW X5 (500 Nm @ 3600 RPM) has 249 more torque (in Nm) than 1991 Audi 100. (251 Nm @ 3000 RPM). This means 2004 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100. 2004 BMW X5 has automatic transmission and 1991 Audi 100 has manual transmission. 1991 Audi 100 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi 100 | 2004 BMW X5 | |
| Make | Audi | BMW |
| Model | 100 | X5 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 355 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 251 Nm | 500 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Engine Bore Size | 82.5 mm | 93.1 mm |
| Engine Stroke Size | 86.4 mm | 88.3 mm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1500 kg | 2275 kg |
| Vehicle Length | 4800 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1730 mm |
| Wheelbase Size | 2690 mm | 2940 mm |
| Fuel Consumption | 10 L/100km | 10.5 L/100km |
| Fuel Consumption City | 14 L/100km | 18.7 L/100km |
| Fuel Consumption Overall | 8.8 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 80 L | 93 L |
