2007 Audi Q7 vs. 1991 Mercedes-Benz 400
To start off, 2007 Audi Q7 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 400. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 400 would be higher. At 4,196 cc (8 cylinders), 1991 Mercedes-Benz 400 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 400 (287 HP @ 5700 RPM) has 11 more horse power than 2007 Audi Q7. (276 HP @ 6200 RPM) In normal driving conditions, 1991 Mercedes-Benz 400 should accelerate faster than 2007 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 205 kg more than 1991 Mercedes-Benz 400.
Because 2007 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mercedes-Benz 400. In wet, icy, snow, or gravel driving conditions, 2007 Audi Q7 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, 1991 Mercedes-Benz 400 (410 Nm @ 3900 RPM) has 50 more torque (in Nm) than 2007 Audi Q7. (360 Nm @ 2500 RPM). This means 1991 Mercedes-Benz 400 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi Q7.
Compare all specifications:
| 2007 Audi Q7 | 1991 Mercedes-Benz 400 | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | 400 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3598 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 276 HP | 287 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 360 Nm | 410 Nm |
| Torque RPM | 2500 RPM | 3900 RPM |
| Engine Compression Ratio | 12.0:1 | 10.0:1 |
| Top Speed | 225 km/hour | 232 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2205 kg | 2000 kg |
| Vehicle Length | 5090 mm | 5110 mm |
| Vehicle Width | 1990 mm | 1890 mm |
| Vehicle Height | 1740 mm | 1500 mm |
| Wheelbase Size | 3010 mm | 3050 mm |
