1991 Buick Roadmaster vs. 2011 Audi Q7
To start off, 2011 Audi Q7 is newer by 20 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,002 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2011 Audi Q7 (272 HP @ 4750 RPM) has 104 more horse power than 1991 Buick Roadmaster. (168 HP @ 4200 RPM) In normal driving conditions, 2011 Audi Q7 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi Q7 weights approximately 355 kg more than 1991 Buick Roadmaster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Audi Q7 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Buick Roadmaster. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Audi Q7 (400 Nm @ 2250 RPM) has 54 more torque (in Nm) than 1991 Buick Roadmaster. (346 Nm @ 2400 RPM). This means 2011 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2011 Audi Q7 | |
| Make | Buick | Audi |
| Model | Roadmaster | Q7 |
| Year Released | 1991 | 2011 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 168 HP | 272 HP |
| Engine RPM | 4200 RPM | 4750 RPM |
| Torque | 346 Nm | 400 Nm |
| Torque RPM | 2400 RPM | 2250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2000 kg | 2355 kg |
| Vehicle Length | 5540 mm | 5088 mm |
| Vehicle Width | 2040 mm | 1984 mm |
| Vehicle Height | 1540 mm | 1737 mm |
| Wheelbase Size | 2950 mm | 3002 mm |
