1991 Buick Roadmaster vs. 2003 MG ZR
To start off, 2003 MG ZR is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 Buick Roadmaster (177 HP @ 4200 RPM) has 19 more horse power than 2003 MG ZR. (158 HP @ 6900 RPM). In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 2003 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 720 kg more than 2003 MG ZR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Buick Roadmaster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Buick Roadmaster. However, in wet, icy, snow, or gravel driving conditions, 2003 MG ZR, being front wheel drive (FWD), will offer much better control with better grip. 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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 219 more torque (in Nm) than 2003 MG ZR. (174 Nm @ 4700 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2003 MG ZR. 1991 Buick Roadmaster has automatic transmission and 2003 MG ZR has manual transmission. 2003 MG ZR will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Roadmaster | 2003 MG ZR | |
| Make | Buick | MG |
| Model | Roadmaster | ZR |
| Year Released | 1991 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 1794 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 158 HP |
| Engine RPM | 4200 RPM | 6900 RPM |
| Torque | 393 Nm | 174 Nm |
| Torque RPM | 2400 RPM | 4700 RPM |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1840 kg | 1120 kg |
| Vehicle Length | 5280 mm | 4020 mm |
| Vehicle Width | 2040 mm | 1690 mm |
| Vehicle Height | 1650 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2510 mm |
| Fuel Tank Capacity | 75 L | 65 L |
