It's very hard to compare the SVX to current cars as the EG33 was developed before variable valve timing was common in production vehicles (think only the '91 NSX used it back then).
Decided to compare the specific hp/liter and torque/liter outputs of the EG33 vs the naturally aspirated models offered in the MKIV Supra, Z32 300ZX and 3000GT which were in its price range and performance class. Results are shown below:
300ZX
2960cc
222hp & 198lb-ft
75 hp/l & 66.89 lb-ft/l
Supra
2997cc
220hp & 210lb-ft
73.4 hp/l & 70.07 lb-ft/l
3000GT SL
2972cc
222hp & 201lb-ft
74.69 hp/l & 67.63 lb-ft/l
SVX
3318cc
230hp & 228lb-ft
69.3 hp/l & 68.72 lb-ft/l
While the hp/l output of the EG33 is a little below the others, the lb-ft/l output is right in the mix of things which is probably a testament to the IRIS system Subaru developed.
Another observation is that the hp and tq values are almost identical on the SVX, but significantly different on the other engines. Seems like Subaru tuned the EG33 with torque in mind. I'm sure they could have tuned the engine to make ~240hp & 215lb-ft, but probably due to the car's heavy curb weight, 4EAT trans and awd drivetrain, the SVX needed all the torque the engine could muster...
-Chike