Highlights

High-specification 166 in Odyssey Blue metallic with Momo leather
Very well-maintained with annual servicing by Alfa specialists
Only three registered keepers
Cambelt, water pump, auxiliary belt and brake hoses replaced in April 2024
Serviced in 2025 by Alfa Workshop in Royston with new battery fitted
MOT valid until November 2026 and no advisories

The Appeal

After the success of the 164, Alfa was seriously gunning for BMW and Mercedes. The 166 was the car it built to do that, one with the handsome lines of the 156, the verve of the 164 and the Teutonic build quality of those established rivals.

Despite delivering on all three, mostly notable with the sort of heavy door thunk not typical of previous Alfas, the 166 never quite hit its sales targets. That makes any survivor exceptionally rare but well worth seeking out, especially the Busso-engined 3L V6 model that we have here. It is a high-specification Lusso with the versatile Sportronic box that offers sequential semi-automatic shift alongside a full auto mode.

Featuring attractive Odyssey Blue metallic paint with Momo leather, it is a very well-kept car that has been impeccably maintained in recent years by Alfa specialists like Monza Sport Tuning and Alfa Workshop in Royston. The thick history file shows annual servicing in recent years by both specialists, irrespective of mileage. The cambelt was changed in 2018 and again in 2024, and the car was serviced by Alfa Workshop in October 2025. The current MOT runs to November 2026 with no advisories.

The current keeper acquired the car in 2024 and has used it for European trips, where it has proved utterly reliable. As an antidote to more common V6-engined executive saloons, this 166 is compelling. It has been maintained properly and looks ready to enjoy.

The vendor says:

“The Alfa Romeo 166 is the nicest saloon; it drives in a way like no other vehicle. The Busso engine sounds like no other; it can cruise the motorways and still accelerate like no other car of its class for the time and still impresses today. It's such a beautiful looking car; it stands out among other saloons of its class and has a side profile that most modern cars cannot replicate or match. I adore this vehicle, and with the love and commitment to maintaining and looking after this car by previous owners and myself, I hope it sells to another collector and someone who truly will keep it at it's best for many years to come.”

History and Paperwork

First registered 1st November 2001 in the United Kingdom
Two former registered keepers
Current keeper since November 2024
Large history file of servicing and MOT records from new
Vendor describes history file as one of the most comprehensive they have seen
Two keys and security codes present
Services and maintenance reportedly completed on schedule throughout vehicle's life
Previous services carried out by Monza Sport Tuning
Latest service in October 2025 by Alfa Workshop in Royston, including new battery
Cambelt, water pump, auxiliary belt, and brake hoses replaced in April 2024
Driven extensively across Europe on several trips without issue
MOT valid until 8th November 2026 with no advisories
Showing 112,408 miles, which is not verified, but is supported by MOT and service records
Factory handbooks and wallet

Service history (further details in photos):

10/25 - 111,938 miles - Alfa Workshop
10/24 - 110,249 miles - Alfa Workshop
04/24 - 108,532 miles - Alfa Workshop - cambelt and other work totalling £1,579
10/23 - 108,099 miles - Monza Sport Tuning
10/22 - 105,451 miles - Monza Sport Tuning
10/21 - 104,413 miles - Monza Sport Tuning
10/20 - 104,080 miles - Monza Sport Tuning
10/19 - 103,596 miles - Monza Sport Tuning
11/18 - 102,420 miles - Monza Sport Tuning
06/18 - 98,273 miles - Monza Sport Tuning - cambelt

High specification includes:

Air conditioning
Stereo sound system with six-CD autochanger
DVD-based navigation system with colour screen
10 speakers
Beige Momo Elegant leather
Wooden steering wheel and centre console
Cruise control
Xenon headlights
Teledial alloys
Bodywork in Odyssey Blue
Stainless steel exhaust backbox

The Condition

The vendor describes the car as being in very good original condition
Vendor says car is a credit to the second owner who had it for eight years
Bodywork finished in Odyssey Blue with galvanised exterior panels
Paintwork presents well with a few cosmetic points to note in photos
These include lights scuffs and scratches to some panels and edge chips
Minor points to note to base of one offside arch as shown
Factory ‘Teledial’ alloys in good condition with kerbing to rims to note
Matching spare wheel
Firestone tyres fitted
No structural advisories on MOT
One front foglight cracked and slight age to one rear light as shown
Beige Momo Elegant leather interior in good order with light age to note
Momo leather throughout including headrests with Alfa crests to backrests
Wooden steering wheel and wooden centre console
Vendor states interior is in very good order, with carpets and mats presenting well
Electric seats work well with heated function still operational
We are told that all blinds function correctly
High specification including A/C, cruise control, xenon headlights, and teledial alloys
High-end stereo system as detailed above
Central locking does not function via the key fob
Doors can still be locked using the key and the anti-theft alarm still works
The central locking issue is stated to be the only known fault
Clean boot area with tool kit as shown

The vendor says:

“Galvanised exterior; car in very good condition considering age, and the fact that over the years, this vehicle has been loved and driven all over Europe, and still drives and looks as good in 2026 as it did new in 2001. Some cosmetics but nothing that would put anyone off, I hope. Couple of marks here and there, that's for sure, but again still extremely good for the age of the car.

“Interior is exceptionally good. Carpets and mats look fantastic and all the seats and blinds work and function as they should. Electric seats work well and still have heated function. Wooden steering wheel feels fantastic and overall, the interior is truly a lovely place to be, especially for passengers in the rear where the seats mould around the occupants with momo leather all round. It's such a comfortable soft leather and this extends to the headrests as well. Just lovely.”

The Mechanics

2,959cc V6 Busso 24-valve engine
Four-speed Sportronnic automatic transmission with sequential option
Very well-maintained with large history file as shown
Serviced and maintained by Alfa specialists in recent years
Recent service and cambelt change with few miles since this work
No advisories on MOT

The vendor says:

“Only faults have been that the central locking doesn't work on the key fob, and other then that, all electrics work well. Vehicle has been serviced and maintained exceptionally well and is a credit to both original owners who looked after the car and made sure service records and care for the car were always met. Service records are easily one of the most extensive I've seen and this will be reflected in the document pack that accompanies the vehicle.”

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