2002 GMC Autonomy vs. 2007 Hummer H3
To start off, 2007 Hummer H3 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 GMC Autonomy. In addition, the cost of maintenance, including insurance, on 2002 GMC Autonomy would be higher.
2002 GMC Autonomy has automatic transmission and 2007 Hummer H3 has manual transmission. 2007 Hummer H3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 GMC Autonomy will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 GMC Autonomy | 2007 Hummer H3 | |
| Make | GMC | Hummer |
| Model | Autonomy | H3 |
| Year Released | 2002 | 2007 |
| Engine Position | Rear | Front |
| Horse Power | 0 HP | 242 HP |
| Transmission Type | Automatic | Manual |
| Number of Seats | 1 seats | 5 seats |
| Vehicle Length | 4480 mm | 4750 mm |
| Vehicle Width | 1890 mm | 1900 mm |
| Vehicle Height | 1250 mm | 1880 mm |
| Wheelbase Size | 3110 mm | 2850 mm |
