2008 Audi A6 vs. 1991 BMW Z1
To start off, 2008 Audi A6 is newer by 17 year(s). Which means there will be less support and parts availability for 1991 BMW Z1. In addition, the cost of maintenance, including insurance, on 1991 BMW Z1 would be higher. At 2,696 cc (6 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (178 HP @ 3300 RPM) has 3 more horse power than 1991 BMW Z1. (175 HP @ 5800 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 1991 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 445 kg more than 1991 BMW Z1. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW Z1. In wet, icy, snow, or gravel driving conditions, 2008 Audi A6 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, 2008 Audi A6 (380 Nm @ 1400 RPM) has 150 more torque (in Nm) than 1991 BMW Z1. (230 Nm @ 4000 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW Z1.
Compare all specifications:
| 2008 Audi A6 | 1991 BMW Z1 | |
| Make | Audi | BMW |
| Model | A6 | Z1 |
| Year Released | 2008 | 1991 |
| Body Type | Station Wagon | Roadster |
| Engine Position | Front | Front |
| Engine Size | 2696 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 178 HP | 175 HP |
| Engine RPM | 3300 RPM | 5800 RPM |
| Torque | 380 Nm | 230 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 82 mm |
| Engine Stroke Size | 83.1 mm | 78.8 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1695 kg | 1250 kg |
| Vehicle Length | 4940 mm | 3960 mm |
| Vehicle Width | 1860 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2850 mm | 2450 mm |
