1957 MG MGA vs. 1975 Pontiac Bonneville
To start off, 1975 Pontiac Bonneville is newer by 18 year(s). Which means there will be less support and parts availability for 1957 MG MGA. In addition, the cost of maintenance, including insurance, on 1957 MG MGA would be higher. At 6,556 cc (8 cylinders), 1975 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1975 Pontiac Bonneville (168 HP @ 4000 RPM) has 97 more horse power than 1957 MG MGA. (71 HP @ 5500 RPM) In normal driving conditions, 1975 Pontiac Bonneville should accelerate faster than 1957 MG MGA. With that said, vehicle weight also plays an important factor in acceleration. 1975 Pontiac Bonneville weights approximately 1205 kg more than 1957 MG MGA. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1975 Pontiac Bonneville (415 Nm @ 2200 RPM) has 311 more torque (in Nm) than 1957 MG MGA. (104 Nm @ 3500 RPM). This means 1975 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1957 MG MGA. 1975 Pontiac Bonneville has automatic transmission and 1957 MG MGA has manual transmission. 1957 MG MGA will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1957 MG MGA | 1975 Pontiac Bonneville | |
| Make | MG | Pontiac |
| Model | MGA | Bonneville |
| Year Released | 1957 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1487 cc | 6556 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 168 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 104 Nm | 415 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 900 kg | 2105 kg |
| Vehicle Length | 3970 mm | 5750 mm |
| Vehicle Width | 1460 mm | 2030 mm |
| Vehicle Height | 1280 mm | 1380 mm |
| Wheelbase Size | 2390 mm | 3140 mm |
