2009 Pontiac G6 vs. 1991 Rover 820
To start off, 2009 Pontiac G6 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Rover 820. In addition, the cost of maintenance, including insurance, on 1991 Rover 820 would be higher. At 3,500 cc (6 cylinders), 2009 Pontiac G6 is equipped with a bigger engine. In terms of performance, 2009 Pontiac G6 (219 HP @ 5900 RPM) has 39 more horse power than 1991 Rover 820. (180 HP @ 6000 RPM). In normal driving conditions, 2009 Pontiac G6 should accelerate faster than 1991 Rover 820. With that said, vehicle weight also plays an important factor in acceleration. 1991 Rover 820 weights approximately 56 kg more than 2009 Pontiac G6.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2009 Pontiac G6 (297 Nm @ 3200 RPM) has 82 more torque (in Nm) than 1991 Rover 820. (215 Nm @ 2000 RPM). This means 2009 Pontiac G6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 820. 2009 Pontiac G6 has automatic transmission and 1991 Rover 820 has manual transmission. 1991 Rover 820 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Pontiac G6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Pontiac G6 | 1991 Rover 820 | |
| Make | Pontiac | Rover |
| Model | G6 | 820 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 219 HP | 180 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 297 Nm | 215 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Engine Bore Size | 87.9 mm | 84.5 mm |
| Engine Stroke Size | 97.8 mm | 89 mm |
| Engine Compression Ratio | 10.0:1 | 8.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1352 kg | 1408 kg |
| Vehicle Length | 4810 mm | 4890 mm |
| Vehicle Width | 1790 mm | 1740 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2860 mm | 2780 mm |
| Fuel Tank Capacity | 61 L | 68 L |
