2007 Hummer H2 vs. 1990 Rover 400
To start off, 2007 Hummer H2 is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Rover 400. In addition, the cost of maintenance, including insurance, on 1990 Rover 400 would be higher. At 5,999 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2007 Hummer H2 (325 HP @ 5200 RPM) has 231 more horse power than 1990 Rover 400. (94 HP @ 6250 RPM). In normal driving conditions, 2007 Hummer H2 should accelerate faster than 1990 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 1877 kg more than 1990 Rover 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Rover 400. In wet, icy, snow, or gravel driving conditions, 2007 Hummer H2 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, 2007 Hummer H2 (496 Nm @ 4000 RPM) has 370 more torque (in Nm) than 1990 Rover 400. (126 Nm @ 4000 RPM). This means 2007 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1990 Rover 400. 2007 Hummer H2 has automatic transmission and 1990 Rover 400 has manual transmission. 1990 Rover 400 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Hummer H2 | 1990 Rover 400 | |
| Make | Hummer | Rover |
| Model | H2 | 400 |
| Year Released | 2007 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1396 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 325 HP | 94 HP |
| Engine RPM | 5200 RPM | 6250 RPM |
| Torque | 496 Nm | 126 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 101.6 mm | 75 mm |
| Engine Stroke Size | 91.9 mm | 79 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2903 kg | 1026 kg |
| Vehicle Length | 5180 mm | 4370 mm |
| Vehicle Width | 2070 mm | 1690 mm |
| Vehicle Height | 2020 mm | 1410 mm |
| Wheelbase Size | 3120 mm | 2560 mm |
