Audi Sport quattro S1

vs

Audi RS4 Avant

Germany vs Germany — 1985 vs 2006

Audi Sport quattro S1 (1985)
Audi RS4 Avant (2006)
Specifications
Sport quattro S1 E2 Pikes PeakRS4 Avant B7 4.2 V8
Horsepower598 hp420 hp
Torque457 lb-ft317 lb-ft
Engine Size2,110 cc4,163 cc
0-60 mph3.1 sec4.5 sec
Top Speed162 mph155 mph
¼ Mile11.2 sec12.8 sec
Weight2,403 lbs3,770 lbs
Wheelbase2,204 mm2,648 mm
Length4,240 mm4,586 mm
Units Produced3
Original MSRP$71,900
Value (Excellent)$10,000,000$85,000
Collectibility10/108/10
Rarity10/107/10
The Verdict

The 1985 Audi Sport quattro S1 E2 Pikes Peak holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 2006 Audi RS4 Avant B7 4.2 V8 brings better value and remains a compelling choice for enthusiasts who value Audi heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

Within the Audi stable, the 1985 Audi Sport quattro S1 E2 Pikes Peak and 2006 Audi RS4 Avant B7 4.2 V8 represent different approaches to performance and purpose. Both carry the Audi badge, yet each carves out its own distinct identity. The 1985 Audi Sport quattro S1 E2 Pikes Peak holds a clear advantage in raw power with 598 hp compared to 420 hp, a 178-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Audi Sport quattro S1 uses a Inline-5 DOHC 20V Turbocharged displacing 2,110 cc, while the Audi RS4 Avant relies on a V8 DOHC 32V with 4,163 cc. In the sprint to 60 mph, the 1985 Audi Sport quattro S1 E2 Pikes Peak edges ahead at 3.1 seconds versus 4.5 seconds. The Audi Sport quattro S1 carries a weight advantage, tipping the scales 1367 lbs lighter. On the collector market, the 1985 Audi Sport quattro S1 E2 Pikes Peak commands a significant premium over the 2006 Audi RS4 Avant B7 4.2 V8, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1985 Audi Sport quattro S1 E2 Pikes Peak rates higher among enthusiasts and auction houses.