2009 Audi Q7 vs. 1985 Mercedes-Benz 420
To start off, 2009 Audi Q7 is newer by 24 year(s). Which means there will be less support and parts availability for 1985 Mercedes-Benz 420. In addition, the cost of maintenance, including insurance, on 1985 Mercedes-Benz 420 would be higher. At 4,196 cc (8 cylinders), 1985 Mercedes-Benz 420 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (280 HP @ 6200 RPM) has 62 more horse power than 1985 Mercedes-Benz 420. (218 HP @ 5200 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1985 Mercedes-Benz 420. With that said, vehicle weight also plays an important factor in acceleration. 1985 Mercedes-Benz 420 weights approximately 670 kg more than 2009 Audi Q7.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 1985 Mercedes-Benz 420. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi Q7 (361 Nm @ 2750 RPM) has 32 more torque (in Nm) than 1985 Mercedes-Benz 420. (329 Nm @ 3750 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1985 Mercedes-Benz 420.
Compare all specifications:
| 2009 Audi Q7 | 1985 Mercedes-Benz 420 | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | 420 |
| Year Released | 2009 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 3597 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 280 HP | 218 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 361 Nm | 329 Nm |
| Torque RPM | 2750 RPM | 3750 RPM |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 930 kg | 1600 kg |
| Vehicle Length | 5090 mm | 5070 mm |
| Vehicle Width | 1990 mm | 1840 mm |
| Vehicle Height | 1740 mm | 1420 mm |
| Wheelbase Size | 3010 mm | 2850 mm |
