Pegaso Z-102

vs

AC Ace

Spain vs United Kingdom — 1951 vs 1956

Pegaso Z-102 (1951)
AC Ace (1956)
Specifications
Z-102 Berlinetta TouringAce Bristol
Horsepower165 hp125 hp
Torque173 lb-ft124 lb-ft
Engine Size2,816 cc1,971 cc
0-60 mph8.5 sec9.0 sec
Top Speed130 mph120 mph
¼ Mile16.5 sec
Weight2,425 lbs1,880 lbs
Wheelbase2,400 mm2,286 mm
Length4,200 mm3,835 mm
Units Produced86466
Value (Excellent)$2,500,000$500,000
Collectibility10/109/10
Rarity10/109/10
The Verdict

On balance, the 1951 Pegaso Z-102 Berlinetta Touring makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1956 AC Ace Bristol counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1951 Pegaso Z-102 Berlinetta Touring for outright capability, or the 1956 AC Ace Bristol for a more distinctive ownership experience.

Overview

The rivalry between Spain and United Kingdom automotive industries has produced legendary matchups, and the 1951 Pegaso Z-102 Berlinetta Touring versus 1956 AC Ace Bristol is among the most fascinating. These two cars represent the best of their national engineering schools. The 1951 Pegaso Z-102 Berlinetta Touring holds a clear advantage in raw power with 165 hp compared to 125 hp, a 40-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Pegaso Z-102 uses a V8 DOHC displacing 2,816 cc, while the AC Ace relies on a Inline-6 OHV (Bristol BS1 Mk II) with 1,971 cc. In the sprint to 60 mph, the 1951 Pegaso Z-102 Berlinetta Touring edges ahead at 8.5 seconds versus 9.0 seconds. The AC Ace carries a weight advantage, tipping the scales 545 lbs lighter. Rarity plays a significant role here — with only 86 units built, the 1951 Pegaso Z-102 Berlinetta Touring is considerably scarcer than the AC Ace's 466 examples. On the collector market, the 1951 Pegaso Z-102 Berlinetta Touring commands a significant premium over the 1956 AC Ace Bristol, reflecting differences in prestige and rarity.