IsItAGoodCar
Reliability Guide

Common Problems with the
2007 Saab 9-3 NG

The 2007 model year introduced the TTiD twin-turbo diesel and saw improvements to build quality. However, 2007–2009 petrol models can suffer from soft intake valve wear that causes difficult cold starts and rough idling. The 9-3 was by now well-established as a value executive car with excellent seats and safety.

What changed for 2007

  • •TTiD twin-turbo diesel introduced
  • •Improved build quality
  • •2007–2009 petrol models vulnerable to intake valve wear
  • •SID pixel failures becoming common on higher-mileage cars

Common MOT watch-outs

  • !Intake valve wear on 2007–2009 petrol models — difficult cold starts
  • !CIM failures still common
  • !Front subframe corrosion on UK salted roads
  • !DI cassette failure on petrol models
4
Known Issues
2
Serious
2
Moderate
0
Minor

All Known Issues

CIM (Column Integration Module) Failure

SeriousElectrics & Electronics

The module in the steering column fails, leading to key non-recognition or stability control errors.

Est. Repair Cost: £500–£800
Warning Signs:

"Key Not Accepted", "Stability Control Failure", Indicator non-cancelling

What to Inspect:
  • Check for any steering/electronics warning lights
  • Test all column-mounted controls
Verified by IsItAGoodCar Research Team

Intake Valve Wear (Cold Start)

SeriousEngine

2007-2009 petrol models can suffer from soft intake valves that lose compression when cold.

Est. Repair Cost: £1,000–£1,500
Warning Signs:

Difficult to start when cold, Rough idling for first 30 seconds, Misfire codes

What to Inspect:
  • Cold start the car yourself
  • Perform a compression test on a cold engine
Verified by IsItAGoodCar Research Team

Rear Suspension "Rose Bush" Wear

ModerateSuspension & Chassis

The outer bushings on the rear trailing arms wear out, causing the rear wheels to "steer" the car.

Est. Repair Cost: £150–£300
Warning Signs:

Rear end wandering over bumps, Uneven rear tyre wear, Knocking from the rear

What to Inspect:
  • Pry at the rear bushes to check for play
  • Check tyre wear patterns
Verified by IsItAGoodCar Research Team

Soft-Top Hydraulic Leaks

ModerateBodywork & Rust

The hydraulic lines for the convertible roof can chafe and leak, eventually preventing roof operation.

Est. Repair Cost: £400–£1,000
Warning Signs:

Roof stops midway, Oil stains on the rear upholstery, Grinding noise from the pump

What to Inspect:
  • Cycle the roof 2-3 times
  • Check the hydraulic fluid level in the boot
Verified by IsItAGoodCar Research Team

Buying Tips for 2007 Saab 9-3 NG

  • Cold-start the car yourself and listen for rough idling in the first 30 seconds on 2007–2009 petrols
  • Check the SID for dead pixels — while repairable, it indicates how the car has been maintained
  • Only use genuine SEM DI cassettes — aftermarket versions can damage the ECU
2004–20062008–2009
Check a 2007 Saab 9-3 NG by Registration