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Mazda CX-30 Offer
0% APR Representative* and a £250 Deposit Contribution*
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Mazda2 Hybrid
0% APR Representative and a £1,000 Deposit Contribution
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Mazda CX-80 PHEV Offer
2.9% APR Representative* and a £1,000 Deposit Contribution*
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Mazda CX-60 PHEV
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- Welcome to EMG Motor Group
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Trending Models
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5 SHS-Hfrom £TBC
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New MG4 EVfrom £TBC
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All-New MG4 Urbanfrom £TBC
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All-New CX-5from £TBC
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The All-New CX-6efrom £TBC
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Approved Used Used Cars
Browse over 844 vehicles in stock.
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Book Online Book Your Service
Book your Service & MOT online today.
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Buy How You Want Buy Online
Browse, finance & buy your perfect used vehicle online.
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Grainger Motor Group – New & Used Car Dealerships Across Hertfordshire & East Anglia
Grainger Motor Group is an award-winning automotive retailer operating 19 dealership locations across Hertfordshire and East Anglia.Our business is built on a simple but powerful commitment: to deliver an exceptional customer experience through knowledgeable, highly trained teams who care about our customers for life.
Two Trusted Automotive Groups – Mantles Group & EMG Motor Group
Founded in 2022 by brothers Harry and Neal Grainger, Grainger Motor Group consists of two highly respected automotive businesses: Mantles Group and EMG Motor Group. Together, we represent leading vehicle franchises including Kia, Mazda, Honda, Nissan, MG, Omoda, Jaecoo and BYD.Dealerships across Grainger Motor Group can help and support you in finding your next new or approved used vehicle, discuss a range of flexible finance solutions and the option to either part-exchange or sell your vehicle.
We also offer a range of comprehensive aftersales services including manufacturer-approved servicing, MOTs, repairs and stockists of Genuine parts & accessories.
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EMG Motor Group – Dealerships Across the East Anglia
EMG Motor Group operates a large and established dealership network across the East Anglia.
With modern showrooms and expert local teams, EMG Motor Group has been providing customers with exceptional choice, knowledgeable advice, and a consistently high standard of service for over 50 years whether buying a new or used vehicle or maintaining an existing one.
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Mantles Group – Dealerships in Hertfordshire
Mantles Group represents Grainger Motor Group across Hertfordshire, centred around two well-known areas. Mantles Kia and BYD in Royston, plus 3 Norton Way dealerships in Letchworth Garden City that have recently been acquired in 2026, representing Nissan, Honda, and Mazda.
Mantles has been in business for over 100 years, building up a reputation for its professionalism, transparency, and customer-first approach – leading to customers who keep coming back.
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Buy Online New Cars
Discover the full range of new vehicles available from EMG Motor Group today.
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Approved Used Used Cars
With a wide variety of Approved Used Cars in stock, we’re sure to find your perfect car.
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Motability Scheme Motability Cars
Find the perfect Mobility vehicle for you, brand new.
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Book Online Service & MOT
Book your Service & MOT online today.
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Get In Touch Contact Us
Contact EMG Motor Group today, or view our contact and location details.
Grainger Motor Group Timeline
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Aug 2022Grainger Motor Group is Formed
Brothers Harry & Neal Grainger come together to form Grainger Motor Group. Having started out in the automotive industry aged 16 & 18 working in a family run dealer group for over 40 years. Neal & Harry joined Norton Way Motors as trainees working throughout all areas of the business, eventually helping to run the business as Operations Director & Finance Director.
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Jan 2023Grainger Motor Group acquires Mantles Group
Grainger Motor Group acquires Mantles Group Ltd, a 100-year-old family business, with a Kia dealership on York Way in Royston, Hertfordshire. The Mantles family had run the business for three generations, John Mantle and the Grainger’s share key values, underpinning the culture of a family run business, recognising our staff are the biggest asset to the business. These values and the succession of the business to continue under family ownership was a key reason John Mantle agreed to sell Mantles to Harry & Neal.
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Dec 2023Acquisition of EMG Used Cars in Royston.
Grainger Motor Group adds it’s second site with the acquisition of EMG Used Cars in Royston. Mantles Group Ltd grows to two sites acquiring the site located next door, growing the footprint of our Royston site to 2.6acres.
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Jan 2024Mantles Kia wins Kia awards
Mantles Kia wins ‘European Kia Dealer of the year’ and finishes 2nd in the Kia dealer excellence awards for their performance in 2023
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Jan 2024Grainger Motor Group Aquires EMG Anglia
Grainger Motor Group completes the acquisition of EMG Anglia Ltd from Nick Storey, EMG Holdings. EMG Anglia is a well-established business with 14 dealerships across East Anglia, representing Kia in Cambridge, Ely, Thetford and King’s Lynn, MG Ipswich, Mazda Boston & Cambridge and specialist Used car dealerships in Huntingdon, Haverhill, Duxford and Spalding. As part of this deal, Rent Direct, which offers car and van hire across East Anglia, was also included. This acquisition takes Grainger Motor Group to over 300 staff across 16 locations throughout Hertfordshire & East Anglia - making GMG one of the fastest growing family automotive dealer groups in the UK!
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Oct 2024Mantles Kia New Showroom
Mantles Kia moves into its brand-new home next door on the Old North Road site. After significant investment the stunning new showroom opens with the latest Kia design, and benefits from a larger footprint and its own dedicated aftersales reception.
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Nov 2024Mantles BYD Royston Opens
Grainger Motor Group opens its 1st BYD Dealership in former Mantles Kia Showroom in Royston
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Nov 2024Mantles Kia wins Motor Trader Awards
Mantles Kia wins Motor Trader Awards ‘Best Customer Care Dealership’ & ‘Most Improved Dealership of the year’
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Jan 2025BYD King's Lynn & BYD Spalding
GMG opens BYD King's Lynn in the former EMG Nissan site & in the same month BYD Spalding opens in a former EMG Used car dealership, growing the relationship with BYD to three locations.
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Jan 2025Grainger Motor Group Wins 6 out of 7 Awards
Grainger Motor Group wins 6 out of 7 awards at the Kia Dealer Excellence Conference for their performance in 2024. This is something the Grainger’s are very proud of, considering the Kia dealer network is very strong and there over 180 dealers.
EV Dealer of the year
Sales Excellence Award
Customer Experience AwardDealer Excellence - Dealer of the year – Grainger Motor Group wins first, second and third place. With Mantles Kia achieving first place, EMG Cambridge achieving second place closely followed by EMG Thetford in third place.
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Feb 2025Kia South Cambridge Opens
Grainger Motor Group opens 6th Kia dealership, Kia South Cambridge in Stapleford, Cambridgeshire.
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May 2025AM AWARDS 2025
Grainger Motor Group takes home 5 awards at the AM AWARDS 2025
Dealer Group of the Year - Grainger Motor Group
Used Car Performance of the Year - Grainger Motor Group
Franchised Dealership of the Year - Mantles Kia
EV Performance of the Year - Mantles Kia
Special Award: Retailer of the Year - Grainger Motor Group
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Jun 2025Great Place To Work UK
Grainger Motor Group recognised as one of the UK’s Best Workplaces.
We are delighted that The 2025 UK’s Best Workplaces in Retail, Hospitality & Leisure™ list launched by Great Place To Work UK, has recognised Grainger Motor Group
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Sep 2025EMG BYD Bury St Edmunds Opens
Grainger Motor Group opens BYD Bury St Edmunds in Suffolk. The site, formerly operating as a used-car dealership under EMG, is fully refurbished and rebranded, marking Grainger’s fourth BYD location and strengthening its partnership with the fast-growing EV manufacturer.
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Nov 2025Kia PBV Centres Unveiled
EMG King’s Lynn and EMG Cambridge unveil newly developed Kia PBV centres. The upgraded sites introduce Kia’s newest range of electric vans to the region, offering dedicated facilities, specialist staff, and expanded services for business and fleet customers.
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Nov 2025Grainger Motor Group enters AM100
Grainger Motor Group enters AM100 listing achieving 76th place on the AM100, one of the fastest growing family businesses to achieve AM100 status.
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Nov 2025Motor Trader Industry Awards 2025
Grainger Motor Group wins four awards at the Motor Trader Industry Awards 2025!
"Aftersales Excellence Award” — Grainger Motor Group
“Franchised Dealership of the Year” — Mantles Kia
“Most Improved Dealership of the Year” — EMG Kia & Mazda Cambridge
“Used Car Dealer Group of the Year” — Grainger Motor Group´25
Change Your Postcode
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Bury St. Edmunds & Ford Aftersales
Bury St Edmunds, Suffolk, IP32 6AL
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BYD Bury St. Edmunds
Bury St Edmunds, Suffolk, IP32 6AL
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BYD King's Lynn
King's Lynn, Norfolk, PE30 4NB
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BYD Spalding
Spalding, Lincolnshire, PE11 3DQ
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Cambridge Mitsubishi
Duxford, Cambridgeshire, CB22 4QQ
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Haverhill
Haverhill, Suffolk, CB9 0EP
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Huntingdon & Vauxhall Aftersales
Huntingdon, Cambridgeshire, PE29 6HQ
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Jaecoo Huntingdon
Huntingdon, Cambridgeshire, PE29 6HQ
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KIA Cambridge
Cambridge, Cambridgeshire, CB4 1SR
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KIA Ely
Ely, Cambridgeshire, CB7 4DT
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KIA King's Lynn
King's Lynn, Norfolk, PE30 4NB
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KIA South Cambridge
Stapleford, Cambridgeshire, CB22 5DG
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KIA Thetford
Thetford, Norfolk, IP24 1HT
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Mazda Boston
Boston, Lincolnshire, PE21 8UJ
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Mazda Cambridge
Cambridge, Cambridgeshire, CB4 1SR
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MG Ipswich
Ipswich, Suffolk, IP1 2DZ
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Nissan Cambridge
Duxford, Cambridgeshire, CB22 4QQ
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Nissan King's Lynn
King's Lynn, Norfolk, PE30 4NB
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Omoda Jaecoo Huntingdon
Huntingdon, Cambridgeshire, PE29 6HQ
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Spalding
Spalding, Lincolnshire, PE11 3DQ
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96 %
of EMG Motor Group customers would recommend to their friends and family.
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I would recommend EMG Haverhill to friends and family because Nicky was very friendly and accommodating, explained everything clearly with no pressure
Mr Nigel Sinclair
11th February 2026
EMG Haverhill
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I'd recommend EMG Haverhill because there service is unbelveble they take you through everything let you ask as many questions as you like and are just really great people
Mr Jack Matthews
11th February 2026
EMG Haverhill
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My experience at EMG BYD Spalding was memorable because my sales person Darren Davy looked after me on a previous purchase, and is always very helpful
Mr Peter Lewis
11th February 2026
EMG BYD Spalding
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The experience at EMG Kia Cambridge was fantastic because very helpfull the staff were great.
Mr Kelvin Giles
11th February 2026
EMG Kia Cambridge
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I'd definitely recommend EMG Kia Thetford to friends and family because they are quickly tuned to customer needs and whilst extra benefits are offered, the main customer requirements are the primary focus. You quickly feel TRUST
Mr Peter Smith
11th February 2026
EMG Kia Thetford
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I'd recommend EMG BYD Bury St Edmunds because they put me at ease, we're knowledgeable and listened to my needs and concerns. Not pushy, a very relaxed buying process .
Mrs Vicky Haywood
11th February 2026
EMG BYD Bury St Edmunds
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I'd endorse EMG Kia South Cambridge because the staff were friendly, helpful and not pushy. Everything was explained and almost everything demonstrated so we knew what features the car has.
Mr Ian Robinson
10th February 2026
EMG Kia South Cambridge
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I'd recommend EMG BYD Bury St Edmunds to a friend because good friendly service
Mr Andrew Weaver
10th February 2026
EMG BYD Bury St Edmunds
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I'd suggest EMG Kia Ely to a friend because they had a good selection of cars, they were very quick to respond, extremely helpful and knowledgeable. I could not fault them.
Mrs H
10th February 2026
EMG Kia Ely
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EMG Kia Cambridge were really great, really helpful and took the time to explain everything. I dealt with max, really nice guy and was great at making my buying experience the best it could be. Definitely recommend them.
Mr Howard
10th February 2026
EMG Kia Cambridge
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EMG Kia Kings Lynn staff were good because the attention to detail and friendliness of staff were fantastic
Mr Dominic Stuk
10th February 2026
EMG Kia Kings Lynn
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First the car is just what I wanted, the salesperson was brilliant with a great knowledge of cars. Nikky explained everything clearly and I never felt uneasy or under pressure to buy anything I didn’t want.
Mr Steven Wheeler
10th February 2026
EMG Haverhill
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I'd recommend EMG Kia Ely because the service was excellent from start to finish, the car was as described and the price was very competitive too.
Mr Aaron Grimwood
10th February 2026
EMG Kia Ely
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I'd suggest EMG BYD Kings Lynn to a friend because you are one of the main reliable car dealers in the UK.
Mr Jason Carter
10th February 2026
EMG BYD Kings Lynn
