1958 AC Ace vs. 1971 Opel GT
To start off, 1971 Opel GT is newer by 13 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 1,971 cc (6 cylinders), 1958 AC Ace is equipped with a bigger engine. In terms of performance, 1958 AC Ace (125 HP @ 6000 RPM) has 36 more horse power than 1971 Opel GT. (89 HP @ 5200 RPM). In normal driving conditions, 1958 AC Ace should accelerate faster than 1971 Opel GT.
Let's talk about torque, 1958 AC Ace (167 Nm @ 4500 RPM) has 15 more torque (in Nm) than 1971 Opel GT. (152 Nm @ 3400 RPM). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel GT.
Compare all specifications:
| 1958 AC Ace | 1971 Opel GT | |
| Make | AC | Opel |
| Model | Ace | GT |
| Year Released | 1958 | 1971 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1900 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 125 HP | 89 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 167 Nm | 152 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Engine Bore Size | 66 mm | 93 mm |
| Engine Stroke Size | 96 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4010 mm | 4120 mm |
| Vehicle Width | 1520 mm | 1590 mm |
| Vehicle Height | 1270 mm | 1230 mm |
| Wheelbase Size | 2290 mm | 2440 mm |
| Fuel Tank Capacity | 59 L | 53 L |
