2007 Lexus IS vs. 1991 Pontiac Bonneville
To start off, 2007 Lexus IS is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1991 Pontiac Bonneville would be higher. At 3,791 cc (6 cylinders), 1991 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2007 Lexus IS (205 HP @ 6400 RPM) has 55 more horse power than 1991 Pontiac Bonneville. (150 HP @ 4400 RPM). In normal driving conditions, 2007 Lexus IS should accelerate faster than 1991 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus IS weights approximately 265 kg more than 1991 Pontiac Bonneville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Lexus IS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Lexus IS. However, in wet, icy, snow, or gravel driving conditions, 1991 Pontiac Bonneville, being front wheel drive (FWD), will offer much better control with better grip. 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 Pontiac Bonneville (271 Nm @ 2000 RPM) has 20 more torque (in Nm) than 2007 Lexus IS. (251 Nm @ 4800 RPM). This means 1991 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus IS.
Compare all specifications:
| 2007 Lexus IS | 1991 Pontiac Bonneville | |
| Make | Lexus | Pontiac |
| Model | IS | Bonneville |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 205 HP | 150 HP |
| Engine RPM | 6400 RPM | 4400 RPM |
| Torque | 251 Nm | 271 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Compression Ratio | 12.0:1 | 8.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1765 kg | 1500 kg |
| Vehicle Length | 4580 mm | 5050 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2740 mm | 2820 mm |
| Fuel Tank Capacity | 65 L | 68 L |
