2008 Chevrolet Avalanche vs. 2003 GMC Sierra
To start off, 2008 Chevrolet Avalanche is newer by 5 year(s). Which means there will be less support and parts availability for 2003 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2003 GMC Sierra would be higher. At 5,299 cc (8 cylinders), 2008 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2008 Chevrolet Avalanche (310 HP) has 35 more horse power than 2003 GMC Sierra. (275 HP). In normal driving conditions, 2008 Chevrolet Avalanche should accelerate faster than 2003 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 684 kg more than 2008 Chevrolet Avalanche.
Because 2008 Chevrolet Avalanche is four wheel drive (4WD), it will have significant more traction and grip than 2003 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Chevrolet Avalanche (454 Nm) has 68 more torque (in Nm) than 2003 GMC Sierra. (386 Nm). This means 2008 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 2003 GMC Sierra. 2008 Chevrolet Avalanche has automatic transmission and 2003 GMC Sierra has manual transmission. 2003 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Chevrolet Avalanche will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Chevrolet Avalanche | 2003 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Avalanche | Sierra |
| Year Released | 2008 | 2003 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5299 cc | 4816 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 310 HP | 275 HP |
| Torque | 454 Nm | 386 Nm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 3 seats |
| Vehicle Weight | 1261 kg | 1945 kg |
| Vehicle Length | 5630 mm | 5650 mm |
| Vehicle Width | 2020 mm | 2000 mm |
| Vehicle Height | 1950 mm | 1810 mm |
| Wheelbase Size | 3310 mm | 3380 mm |
