1991 Buick LeSabre vs. 2004 Isuzu Ascender
To start off, 2004 Isuzu Ascender is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1991 Buick LeSabre would be higher. At 4,195 cc (6 cylinders), 2004 Isuzu Ascender is equipped with a bigger engine. In terms of performance, 2004 Isuzu Ascender (271 HP @ 6000 RPM) has 103 more horse power than 1991 Buick LeSabre. (168 HP @ 4800 RPM) In normal driving conditions, 2004 Isuzu Ascender should accelerate faster than 1991 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 2004 Isuzu Ascender weights approximately 620 kg more than 1991 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Isuzu Ascender is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick LeSabre. In wet, icy, snow, or gravel driving conditions, 2004 Isuzu Ascender 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, 2004 Isuzu Ascender (373 Nm @ 3600 RPM) has 74 more torque (in Nm) than 1991 Buick LeSabre. (299 Nm @ 3200 RPM). This means 2004 Isuzu Ascender will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick LeSabre.
Compare all specifications:
| 1991 Buick LeSabre | 2004 Isuzu Ascender | |
| Make | Buick | Isuzu |
| Model | LeSabre | Ascender |
| Year Released | 1991 | 2004 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 271 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 299 Nm | 373 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1550 kg | 2170 kg |
| Vehicle Length | 5090 mm | 5280 mm |
| Vehicle Width | 1910 mm | 1940 mm |
| Vehicle Height | 1420 mm | 1920 mm |
| Wheelbase Size | 2820 mm | 3280 mm |
