Audi RS4

vs

Audi 100 Coupe S

Germany vs West Germany — 2006 vs 1970

Audi RS4 (2006)
Audi 100 Coupe S (1970)
Specifications
RS4 Avant B7100 Coupe S
Horsepower420 hp112 hp
Torque317 lb-ft117 lb-ft
Engine Size4,163 cc1,871 cc
0-60 mph4.5 sec10.5 sec
Top Speed155 mph115 mph
¼ Mile12.8 sec17.5 sec
Weight3,770 lbs2,403 lbs
Wheelbase2,651 mm2,677 mm
Length4,586 mm4,430 mm
Units Produced7,50030,687
Original MSRP$72,400$4,700
Value (Excellent)$75,000$30,000
Collectibility8/105/10
Rarity7/107/10
The Verdict

The 2006 Audi RS4 Avant B7 holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1970 Audi 100 Coupe S brings lighter weight, 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 2006 Audi RS4 Avant B7 and 1970 Audi 100 Coupe S represent different approaches to performance and purpose. Both carry the Audi badge, yet each carves out its own distinct identity. The 2006 Audi RS4 Avant B7 holds a clear advantage in raw power with 420 hp compared to 112 hp, a 308-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Audi RS4 uses a V8 DOHC 32V displacing 4,163 cc, while the Audi 100 Coupe S relies on a Inline-4 OHV with 1,871 cc. In the sprint to 60 mph, the 2006 Audi RS4 Avant B7 edges ahead at 4.5 seconds versus 10.5 seconds. The Audi 100 Coupe S carries a weight advantage, tipping the scales 1367 lbs lighter. Rarity plays a significant role here — with only 7,500 units built, the 2006 Audi RS4 Avant B7 is considerably scarcer than the Audi 100 Coupe S's 30,687 examples. On the collector market, the 2006 Audi RS4 Avant B7 commands a significant premium over the 1970 Audi 100 Coupe S, reflecting differences in prestige and rarity. From a collectibility standpoint, the 2006 Audi RS4 Avant B7 rates higher among enthusiasts and auction houses.