Skip advert
Advertisement

MG X-Power SV-S

MG's doomed SV-R is supercharged and reborn as the everyday supercar.

Find your next car here
Compare deals from trusted partners on this car and previous models.
Or are you looking to sell your car?
Value my car
Fast, no-nonsense car selling
Value my car

From the cockpit, the SV-S seems almost too ordinary to be called a supercar. However, its incredible performance and sheer road presence cannot be questioned – the amount of attention it attracts from passers by is astonishing. The trouble is, its Rover-derived image may put off those able to afford it – which is a shame, as Riley and his team have turned the old SV-R into something quite special. It’s definitely worth a drive for supercar-with-a-difference thrills.

Advertisement - Article continues below

There have been better times to launch a supercar. In fact, there probably hasn’t been a worse time: fuel prices are sky rocketing, green issues grow stronger by the day and the credit crunch means even the most affluent are tightening their belts.

So what chance is there for a supercharged 520bhp MG costing £85,000? Better than you might imagine...

But to really answer the question, it’s important to understand exactly how the MG brand has arrived at this place.

To summarise, a handful of cars, badges and mechanical parts slipped through the net when Nanjing Automobile bought MG Rover in 2005, and they were acquired by a British enthusiast called William Riley.

One of those vehicles was this, the MG X Power SV-R, which MG Rover had conceived as its halo supercar – a flagship to revive the firm’s fortunes.

Skip advert
Advertisement
Skip advert
Advertisement - Article continues below

Used - available now

Alto

2012 Suzuki

Alto

48,320 milesManualPetrol1.0L

Cash £3,495
View Alto
Tiguan

2020 Volkswagen

Tiguan

73,029 milesAutomaticDiesel2.0L

Cash £19,495
View Tiguan
F-Pace

2020 Jaguar

F-Pace

60,752 milesAutomaticDiesel2.0L

Cash £16,995
View F-Pace
C-Class Coupe

2020 Mercedes

C-Class Coupe

43,400 milesAutomaticPetrol2.0L

Cash £19,950
View C-Class Coupe

While the original model was famously under-developed, with a scruffy interior and teeth-rattling ride at low speeds, Riley’s team has gone back to the drawing board to substantially improve things.

The result is a heavily reworked car that promises to answer the critics. Six a month will be built initially, spearheading a grand plan which also involves selling a soft-top, a fibreglass-bodied entry-level V6 and an electric version capable of 150mph and 0-60mph in five seconds.

Advertisement - Article continues below

First impressions aren’t great, as the exterior and cabin are the same as the old SV-R’s. There’s a fairly bland collection of parts, including Rover 75 components swathed in leather – although bespoke options are available. A raft of tweaks under the skin has transformed the driving experience, however. The main change is the addition of a supercharger to the hand-built Ford 5.0-litre V8 engine used in the original SV-R (hence the 'SV-S' moniker of the newcomer). The unit has also been remapped and the cam timing altered, taking power from 385bhp to 520bhp.

New springs and dampers mean the ride is more akin to a hot hatch than a ferocious rear-wheel-drive supercar, yet traction control and a limited slip-diff keep the power in check when rapid progress is being made.

While the retuned hydraulic power-steering is light at first, it stiffens with speed, and what it lacks in outright feel it more than compensates for with accuracy.

The SV-S has a relatively mild-mannered nature when cruising. But floor the throttle, and the supercharged V8 propels it from 0-60mph in 3.9 seconds, while the maker claims the maximum speed is in excess of 200mph.

The MG is calm and docile, and never feels intimidating to drive. On more challenging roads the chassis offers huge amounts of grip. Even so, the traction control cuts in early to cancel out the inevitable wheelspin when cornering hard in second gear.

There’s no doubt that the SV-S is capable, but at £85,000, it’s competing with big-hitting heavyweights such as Porsche, as well as established British sports car firms such as Noble and Morgan. And prospective buyers may be put off by the MG badge on the nose.

Rival: Morgan Aero 8
The Aero 8 mates a BMW V8 with old-school open-top appeal. Driving dynamics are superb, thanks to the well judged suspension and aluminium body. What’s more, it costs £20,000 less than the SV-S.

Skip advert
Advertisement

New & used car deals

MG MG4

MG MG4

RRP £27,005Avg. savings £10,288 off RRP*Used from £10,490
Nissan Juke

Nissan Juke

RRP £19,785Avg. savings £6,761 off RRP*Used from £9,973
Skoda Kodiaq

Skoda Kodiaq

RRP £39,025Avg. savings £3,224 off RRP*Used from £12,125
Audi A3

Audi A3

RRP £26,295Avg. savings £3,075 off RRP*Used from £11,700
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

New Ford Fiesta EV on the way under massive Renault tech share deal
Ford Fiesta exclusive image

New Ford Fiesta EV on the way under massive Renault tech share deal

Ford’s passenger-car business to get new lease of life thanks to Renault’s Ampere platform, paving the way for two new small EVs
News
10 Dec 2025
Car Deal of the Day: Jaecoo 5 offers Range Rover looks for just £214 per month
Jaecoo 5 - front cornering

Car Deal of the Day: Jaecoo 5 offers Range Rover looks for just £214 per month

It’s easy to see why Jaecoo has become a popular brand with deals like this. The Jaecoo 5 is our Deal of the Day for December 10.
News
10 Dec 2025
Vauxhall Astra gets sleek new look as part of 2026 facelift
Vauxhall Astra facelift 2025 - front

Vauxhall Astra gets sleek new look as part of 2026 facelift

We’ll see the new Vauxhall Astra in public for the first time at Brussels Motor Show in January
News
10 Dec 2025