What weaknesses does the Audi RS2 B4 have?

The Audi RS2 B4 has 2 known engine weaknesses and 3 vehicle weaknesses. Repair costs range from 1,900 to 6,200 EUR.

Which engine is recommended for the Audi RS2 B4?

Caution: ADU (2.2L 20V Turbo). No engine is rated as 'Good choice'.

Audi · Sports Car · 1994–1995

Audi RS2 B4

Name: Audi RS2 B4
Brand: Audi
Rating: 3.0 (1 reviews)

Weaknesses, engine ratings and buying advice

★★★★★

3.0 / 5.0 · Based on 1 engine variants · How we rate

The Audi RS2 B4 (1994–1995) — Porsche collaboration! 2.2L 5-cylinder turbo (315 hp), only 2,891 built. Porsche brakes (968), Cup wheels, mirrors. Classic status.

Tailgate rusts. Front control arm bushings wear. Engine lasts 200,000+ km with care. 1995 preferred (reinforced gearbox).

2026 market: Well-kept €60,000–75,000, top €100,000+. More than new price. Insider pick: 1995 in Nogaro Blue, original, unmodified.

Engine Overview

The Audi RS2 B4 is available with one engine variant at 315 hp.

RS2 Avant · Petrol· 315 PS

1994 1995

2.2L 20V Turbo in RS2 with 232 kW — modified by Porsche. Wastegate spring and oil cooler are known weak points. A reliable runner with good maintenance. Oil change intervals must be followed consistently. Unknown maintenance history: caution. Engine lasts high mileages with proper care. Caution with unknown maintenance history. Follow oil change intervals consistently — the engine rewards it with longevity. Have fault memory read before purchase.

!! RS2 wastegate spring weakening from 120,000 km

Wastegate spring of K24/7200 weakens, boost pressure fluctuates.

Symptoms: Inconsistent boost pressure, power fluctuations

100–400 $

Ad wastegate spring Audi RS2 ADU KKK K24 boost control wastegate RS2 ADU spring wastegate spring seat RS2 20V turbo
!! Turbo cooling system undersized from 130,000 km

Oil cooler is undersized from factory — retrofit recommended for spirited driving.

Symptoms: Temperature rises during spirited driving, oil gets too hot

300–800 $

Ad auxiliary water pump Audi S2 RS2 034965561C radiator Audi 20V turbo Typ 89 RS2 thermo switch 20V turbo water pipe 2-pin

Vehicle Weaknesses

	Weakness	Cost
!	Brakes undersized 304mm brake discs warp under spirited driving. Many upgraded to 322mm from 993 Turbo. Symptoms: Brake judder, steering wheel vibration when braking from 60,000 km Ad brake discs 304mm Audi RS2 Porsche 968 322mm brake disc upgrade Audi RS2 brake pads Audi RS2 Porsche brake system	High

Known Problems and Issues +

A total of 5 weaknesses have been documented for the Audi RS2 B4 (1994–1995) — 2 engine-related and 3 vehicle-related. Typical issues affect Brakes, Suspension, Interior.

RS2 (ADU, 1994–1995) — Be Careful: RS2 wastegate spring weakening, Turbo cooling system undersized. Power: 315 PS.

What to watch out for with the Audi RS2? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Audi RS2 B4 have? +

The Audi RS2 B4 has 2 known engine weaknesses and 3 vehicle weaknesses.

What should I look for when buying a used Audi RS2 B4? +

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Which engine is recommended? +

Be careful: ADU (2.2L 20V Turbo). No engine is rated 'Good Choice'. The most fun to drive is the ADU (2.2L 20V Turbo).

Which Audi RS2 B4 engine is the most fun? +

The {code} ({displacement}) offers the most driving fun in the Audi RS2 B4 — rated: "Legendary!". {description} 315 hp, refined by Porsche. The original RS that founded a legend.

Is the Audi RS2 B4 worth buying used? +

The Audi RS2 B4 requires careful consideration — choosing the right engine variant is crucial.

What horsepower variants are available for the Audi RS2 B4? +

The Audi RS2 B4 is available with engine variants from 315 to 315 hp. Petrol: ADU (2.2L 20V Turbo).

Last updated: February 2026 · All information without guarantee