2018 Honda Civic Si vs. 2018 MINI Cooper Hardtop 2 Door

Detailed Review, Specifications & Comparison

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Safety

For enhanced safety, the front seat shoulder belts of the Honda Civic Si Sedan are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The MINI Cooper Hardtop 2 Door doesn’t offer height-adjustable seat belts.

The Insurance Institute for Highway Safety tests front crash prevention systems. With a score of 6 points, IIHS rates the Collision Mitigation Braking System optional in the Civic Si as “Superior.” The Cooper Hardtop 2 Door scores only 4 points and is rated only “Advanced.”

The Civic Si’s blind spot mirrors use wide-angle convex mirrors mounted in the corner of each side view mirror to reveal objects that may be in the driver’s blind spots. The Cooper Hardtop 2 Door doesn’t offer a system to reveal objects in the driver’s blind spots.

The Civic Si has standard HondaLink Assist, which uses a global positioning satellite (GPS) receiver and a cellular system to send emergency personnel to the scene if any airbags deploy. The Cooper Hardtop 2 Door doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the Civic Si and the Cooper Hardtop 2 Door have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights and rearview cameras.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Honda Civic Si is safer than the MINI Cooper Hardtop 2 Door:

 

Civic Si

Cooper Hardtop 2 Door

OVERALL STARS

5 Stars

4 Stars

 

Driver

STARS

5 Stars

4 Stars

Neck Injury Risk

20%

36%

Neck Stress

176 lbs.

318 lbs.

Neck Compression

53 lbs.

60 lbs.

Leg Forces (l/r)

192/350 lbs.

261/454 lbs.

 

Passenger

STARS

5 Stars

5 Stars

Chest Compression

.6 inches

.6 inches

Neck Injury Risk

34%

37%

Neck Stress

131 lbs.

225 lbs.

Neck Compression

46 lbs.

53 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

Warranty

Honda’s powertrain warranty covers the Civic Si 1 year and 10,000 miles longer than MINI covers the Cooper Hardtop 2 Door. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the Cooper Hardtop 2 Door ends after only 4 years or 50,000 miles.

There are over 8 times as many Honda dealers as there are MINI dealers, which makes it much easier should you ever need service under the Civic Si’s warranty.

Reliability

J.D. Power and Associates’ 2016 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Honda vehicles are more reliable than MINI vehicles. J.D. Power ranks Honda 7th in reliability, above the industry average. With 29 more problems per 100 vehicles, MINI is ranked 18th.

From surveys of all its subscribers, Consumer Reports’ April 2017 Auto Issue reports that Honda vehicles are more reliable than MINI vehicles. Consumer Reports ranks Honda 4 places higher in reliability than MINI.

Engine

The Civic Si’s 1.5 turbo 4 cyl. produces 71 more horsepower (205 vs. 134) and 30 lbs.-ft. more torque (192 vs. 162) than the Cooper Hardtop 2 Door’s standard 1.5 turbo 3 cyl. The Civic Si’s 1.5 turbo 4 cyl. produces 16 more horsepower (205 vs. 189) than the Cooper Hardtop 2 Door S’ standard 2.0 turbo 4 cyl.

As tested in Car and Driver the Honda Civic Si is faster than the MINI Cooper Hardtop 2 Door (manual transmissions tested):

 

Civic Si

Cooper Hardtop 2 Door turbo 3 cyl.

Cooper Hardtop 2 Door S

Zero to 60 MPH

6.3 sec

7.3 sec

6.8 sec

Zero to 100 MPH

15.9 sec

20.7 sec

16.8 sec

Quarter Mile

14.8 sec

15.8 sec

15.1 sec

Speed in 1/4 Mile

96 MPH

89 MPH

95 MPH

Top Speed

137 MPH

132 MPH

146 MPH

Fuel Economy and Range

On the EPA test cycle the Civic Si gets better fuel mileage than the Cooper Hardtop 2 Door S Manual 2.0 turbo 4 cyl. (189 HP) (28 city/38 hwy vs. 23 city/32 hwy).

The Civic Si has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The Cooper Hardtop 2 Door doesn’t offer a cap-less fueling system.

Brakes and Stopping

For better stopping power the Civic Si’s standard brake rotors are larger than those on the Cooper Hardtop 2 Door:

 

Civic Si

Cooper Hardtop 2 Door

Front Rotors

12.3 inches

11 inches

Rear Rotors

11.1 inches

10.2 inches

The Civic Si stops much shorter than the Cooper Hardtop 2 Door:

 

Civic Si

Cooper Hardtop 2 Door

 

70 to 0 MPH

159 feet

191 feet

Car and Driver

60 to 0 MPH

106 feet

113 feet

Motor Trend

Tires and Wheels

For better traction, the Civic Si has larger tires than the Cooper Hardtop 2 Door (235/40R18 vs. 175/65R15). The Civic Si’s tires are larger than the largest tires available on the Cooper Hardtop 2 Door (235/40R18 vs. 205/40R18).

The Civic Si’s tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the Cooper Hardtop 2 Door’s standard 65 series tires.

For better ride, handling and brake cooling the Civic Si has standard 18-inch wheels. Smaller 15-inch wheels are standard on the Cooper Hardtop 2 Door.

Suspension and Handling

The Civic Si’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Cooper Hardtop 2 Door doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the Civic Si’s wheelbase is 8.1 inches longer than on the Cooper Hardtop 2 Door (106.3 inches vs. 98.2 inches).

For better handling and stability, the track (width between the wheels) on the Civic Si is 1.7 inches wider in the front and 2.4 inches wider in the rear than the average track on the Cooper Hardtop 2 Door.

The Civic Si Coupe handles at .97 G’s, while the Cooper Hardtop 2 Door S pulls only .84 G’s of cornering force in a Car and Driver skidpad test.

Chassis

As tested by Car and Driver, the interior of the Civic Si Coupe is quieter than the John Cooper Works Hardtop:

 

Civic Si

Cooper Hardtop 2 Door

At idle

40 dB

42 dB

Full-Throttle

84 dB

87 dB

70 MPH Cruising

72 dB

75 dB

Passenger Space

Because it has more passenger and cargo room, the Civic Si Coupe is rated a Compact car by the EPA, while the Cooper Hardtop 2 Door is rated a Subcompact.

The Civic Si has standard seating for 5 passengers; the Cooper Hardtop 2 Door can only carry 4.

The Civic Si Coupe has 8.6 cubic feet more passenger volume than the Cooper Hardtop 2 Door (88.6 vs. 80).

The Civic Si Coupe has .9 inches more front legroom, 6.3 inches more front shoulder room, 5.1 inches more rear legroom and 4.8 inches more rear shoulder room than the Cooper Hardtop 2 Door.

Cargo Capacity

The Civic Si Coupe has a much larger trunk than the Cooper Hardtop 2 Door with its rear seat up (11.9 vs. 8.7 cubic feet).

Ergonomics

The Civic Si’s standard power windows have a locking feature to keep children from operating them. MINI does not offer a locking feature on the Cooper Hardtop 2 Door’s power windows.

Smart Entry standard on the Civic Si allows you to unlock the driver’s door, trunk and start the engine all without removing a key from pocket or purse. This eliminates searching for keys before loading groceries, getting in the vehicle in bad weather or making a hurried start to your trip. The MINI Cooper Hardtop 2 Door’s Start/Stop Switch doesn’t unlock the doors or the trunk.

The Civic Si Sedan has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable. The Cooper Hardtop 2 Door doesn’t offer a rear seat center armrest.

For greater rear passenger comfort, the Civic Si Sedan has standard rear heat vents to keep rear occupants more comfortable. The Cooper Hardtop 2 Door doesn’t offer rear vents.

Economic Advantages

According to The Car Book by Jack Gillis, the Civic Si is less expensive to operate than the Cooper Hardtop 2 Door because it costs $738 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the Civic Si than the Cooper Hardtop 2 Door, including $193 less for a water pump, $198 less for an alternator, $63 less for front brake pads, $186 less for a fuel pump, $149 less for front struts, $390 less for a timing belt/chain and $556 less for a power steering pump.

Recommendations

A group of representative automotive journalists from North America selected the Civic as the 2016 North American Car of the Year. The Cooper Hardtop 2 Door has never been chosen.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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