2009 Hummer H3 vs. 1942 Rover P2
To start off, 2009 Hummer H3 is newer by 67 year(s). Which means there will be less support and parts availability for 1942 Rover P2. In addition, the cost of maintenance, including insurance, on 1942 Rover P2 would be higher. At 3,653 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (243 HP @ 5600 RPM) has 196 more horse power than 1942 Rover P2. (47 HP @ 4600 RPM). In normal driving conditions, 2009 Hummer H3 should accelerate faster than 1942 Rover P2. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 811 kg more than 1942 Rover P2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2009 Hummer H3 | 1942 Rover P2 | |
| Make | Hummer | Rover |
| Model | H3 | P2 |
| Year Released | 2009 | 1942 |
| Engine Size | 3653 cc | 1577 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 243 HP | 47 HP |
| Engine RPM | 5600 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2231 kg | 1420 kg |
