AC 428

vs

Lamborghini 400 GT

UK vs Italy — 1965 vs 1966

AC 428 (1965)
Lamborghini 400 GT (1966)
Specifications
428 Frua Fastback400 GT 2+2
Horsepower345 hp320 hp
Torque430 lb-ft268 lb-ft
Engine Size7,016 cc3,929 cc
0-60 mph5.9 sec6.5 sec
Top Speed140 mph168 mph
¼ Mile14.1 sec14.5 sec
Weight3,300 lbs2,822 lbs
Wheelbase2,565 mm2,550 mm
Length4,597 mm4,580 mm
Units Produced81247
Original MSRP$12,000$14,750
Value (Excellent)$500,000$1,000,000
Collectibility8/109/10
Rarity9/108/10
The Verdict

It's a closely fought contest. The 1965 AC 428 Frua Fastback brings quicker acceleration, greater rarity, better value to the table, and the 1966 Lamborghini 400 GT 2+2 answers with higher top speed, lighter weight, stronger collectibility. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.

Overview

The rivalry between UK and Italy automotive industries has produced legendary matchups, and the 1965 AC 428 Frua Fastback versus 1966 Lamborghini 400 GT 2+2 is among the most fascinating. These two cars represent the best of their national engineering schools. The 1965 AC 428 Frua Fastback holds a clear advantage in raw power with 345 hp compared to 320 hp, a 25-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the AC 428 uses a V8 OHV displacing 7,016 cc, while the Lamborghini 400 GT relies on a V12 DOHC with 3,929 cc. In the sprint to 60 mph, the 1965 AC 428 Frua Fastback edges ahead at 5.9 seconds versus 6.5 seconds. The Lamborghini 400 GT carries a weight advantage, tipping the scales 478 lbs lighter. Each of these machines offers a unique window into the era that produced it, making both worthy of consideration by collectors and drivers alike.