1958 AC Ace vs. 1970 Alfa Romeo Spider
To start off, 1970 Alfa Romeo Spider is newer by 12 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 22 more horse power than 1970 Alfa Romeo Spider. (103 HP @ 6000 RPM). In normal driving conditions, 1958 AC Ace should accelerate faster than 1970 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1970 Alfa Romeo Spider weights approximately 96 kg more than 1958 AC Ace.
Let's talk about torque, 1958 AC Ace (167 Nm @ 4500 RPM) has 29 more torque (in Nm) than 1970 Alfa Romeo Spider. (138 Nm @ 3200 RPM). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1970 Alfa Romeo Spider.
Compare all specifications:
| 1958 AC Ace | 1970 Alfa Romeo Spider | |
| Make | AC | Alfa Romeo |
| Model | Ace | Spider |
| Year Released | 1958 | 1970 |
| Body Type | Roadster | Roadster |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1290 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 103 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 167 Nm | 138 Nm |
| Torque RPM | 4500 RPM | 3200 RPM |
| Engine Bore Size | 66 mm | 78 mm |
| Engine Stroke Size | 96 mm | 67.5 mm |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 990 kg |
| Vehicle Length | 4010 mm | 4130 mm |
| Vehicle Width | 1520 mm | 1630 mm |
| Vehicle Height | 1270 mm | 1300 mm |
| Wheelbase Size | 2290 mm | 2260 mm |
| Fuel Tank Capacity | 59 L | 46 L |
