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Land Rover Range Rover Sport vs Mercedes-Benz GLC

Figures updated

The Land Rover Range Rover Sport and Mercedes-Benz GLC are two of the UK's most popular large SUVs. We compare the L461 (2022–) Range Rover Sport and the X254 (2022–) GLC on price, size, boot space, performance, safety and running costs, plus how reliable each has been across 192,982 real MOT tests.

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The short answer

Pick the Land Rover Range Rover Sport for the bigger boot, the better MOT record and more performance, or the Mercedes-Benz GLC for the lower price and lower fuel costs.

FigureLand Rover Range Rover SportL461 (2022–), 5-door SUVMercedes-Benz GLCX254 (2022–), 5-door SUV
Price and practicality
Price newUK list prices, across the range£77,620 to £126,290October 2026 price list£54,970 to £77,475September 2026 price list (best)
Body5-door SUV5-door SUV
Seats55
BootSeats up / folded647 litres / 1,491 (best)620 litres / 1,680
Length4,946mm4,721mm
WidthWithout mirrors2,047mm1,918mm
Height1,822mm1,631mm
Performance
Power250–550 PS (best)197–269 PS
0–62mph4.5–7.7 sec (best)6.2–8.0 sec
Safety
Euro NCAP ratingTests get tougher each year★★★★★ (2022)★★★★★ (2022)
Economy and emissions
Fuel typesDiesel, Petrol, Plug-in hybridDiesel, Petrol, Plug-in hybrid
Official economyVersions of this generation18.9–32.0 mpg22.2–56.5 mpg
CO274–339 g/km41–287 g/km
Running costs at 7,500 miles a year
Petrol or hybrid171.7p a litre, today's UK average£2,269 (25.8 mpg)£2,054 (28.5 mpg) (best)
Diesel198.4p a litre£2,114 (32 mpg)£1,221 (55.4 mpg) (best)
Cheapest version to fuelWhichever fuel costs least£2,114 (diesel)£1,221 (diesel)
Car tax a yearCars registered from April 2017£200£640 in years 2–6 for versions listed over £40,000£200£640 in years 2–6 for versions listed over £40,000
Reliability from real MOT tests
Reliability score148Well above average (best)139Well above average
Failed MOT first time (ages 3–20)20.3%13.1% (best)
Failed at 3 years old10.7%9.2% (best)
Failed at 5 years old12.2%12.4%
Failed at 10 years old20.5%–
Most common MOT faultBrake pads (2.0% of tests)Ball joint (2.7% of tests)
Fails more than average onSeat belts and airbags (1.8×)Nothing stands out
MOT tests analysed117,15375,829
About the cars
TypeLarge SUVLarge SUV
Owners' average miles a year9,1009,400
On sale2022 on2022 on

Green marks the better figure where the difference is more than 3%. Reliability figures cover every version of each model tested in the year. Running costs use the typical official economy of recent versions (WLTP where available); real-world economy is usually a little worse for every car.

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Frequently asked questions

›Is the Land Rover Range Rover Sport or the Mercedes-Benz GLC more reliable?

The Land Rover Range Rover Sport. Like for like on age and mileage, the Mercedes-Benz GLC fails its MOT about 6% more often (reliability scores 148 and 139, where 100 is average). 20.3% of Land Rover Range Rover Sports and 13.1% of Mercedes-Benz GLCs failed first time in 2024.

›Which is bigger, the Land Rover Range Rover Sport or the Mercedes-Benz GLC?

The Land Rover Range Rover Sport is 225mm longer (4,946mm against 4,721mm). The Land Rover Range Rover Sport has the bigger boot: 647 litres against 620.

›Which is cheaper to buy, the Land Rover Range Rover Sport or the Mercedes-Benz GLC?

The Mercedes-Benz GLC: new prices start at £54,970, £22,650 less than the Land Rover Range Rover Sport (from £77,620). These are manufacturer list prices; dealers and brokers often sell for less.

›Which is cheaper to run, the Land Rover Range Rover Sport or the Mercedes-Benz GLC?

Comparing petrol versions, the Mercedes-Benz GLC costs about £215 a year less to fuel at 7,500 miles (£2,054 against £2,269), using typical official economy and current UK average fuel prices.

›Which is safer, the Land Rover Range Rover Sport or the Mercedes-Benz GLC?

Euro NCAP gave the Land Rover Range Rover Sport 5 stars (2022) and the Mercedes-Benz GLC 5 stars (2022). Euro NCAP makes its tests tougher every few years, so ratings from different years aren't directly comparable.

›Should I buy the Land Rover Range Rover Sport or the Mercedes-Benz GLC?

Pick the Land Rover Range Rover Sport for the bigger boot, the better MOT record and more performance, or the Mercedes-Benz GLC for the lower price and lower fuel costs. The comparison above sets out price, space, performance, safety, running costs and reliability side by side.

Sources: manufacturers' UK specifications and price lists and Euro NCAP (listed on each model's page); DVSA anonymised MOT tests 2024 (Open Government Licence v3.0); Vehicle Certification Agency car fuel data, © Crown copyright, VCA cannot accept liability for its accuracy; fuel prices from the GOV.UK Fuel Finder scheme. Photos from Wikimedia Commons, credited under each picture.