1986 Buick LeSabre vs. 2005 Chevrolet Avalanche
To start off, 2005 Chevrolet Avalanche is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1986 Buick LeSabre would be higher. At 8,128 cc (8 cylinders), 2005 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Avalanche (320 HP @ 5600 RPM) has 172 more horse power than 1986 Buick LeSabre. (148 HP @ 4400 RPM) In normal driving conditions, 2005 Chevrolet Avalanche should accelerate faster than 1986 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Avalanche weights approximately 1484 kg more than 1986 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Chevrolet Avalanche is four wheel drive (4WD), it will have significant more traction and grip than 1986 Buick LeSabre. In wet, icy, snow, or gravel driving conditions, 2005 Chevrolet Avalanche 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, 2005 Chevrolet Avalanche (597 Nm) has 326 more torque (in Nm) than 1986 Buick LeSabre. (271 Nm). This means 2005 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 1986 Buick LeSabre.
Compare all specifications:
| 1986 Buick LeSabre | 2005 Chevrolet Avalanche | |
| Make | Buick | Chevrolet |
| Model | LeSabre | Avalanche |
| Year Released | 1986 | 2005 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 8128 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 148 HP | 320 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Torque | 271 Nm | 597 Nm |
| Engine Bore Size | 96.5 mm | 108 mm |
| Engine Stroke Size | 86.4 mm | 111 mm |
| Engine Compression Ratio | 8.0:1 | 9.1:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1500 kg | 2984 kg |
| Vehicle Length | 5010 mm | 5640 mm |
| Vehicle Width | 1850 mm | 2030 mm |
| Vehicle Height | 1380 mm | 1880 mm |
| Wheelbase Size | 2830 mm | 3310 mm |
| Fuel Tank Capacity | 68 L | 140 L |
