The SEAT Mii is a city car that was produced by the Spanish automobile manufacturer SEAT from 2011 to 2018. Part of the Volkswagen Group’s New Small Family (NSF) project, the Mii shares its platform and many components with the Škoda Citigo and Volkswagen up!. Designed as an affordable and economical vehicle for urban environments, the Mii was primarily sold in Europe and was not officially offered in the United States. This article details the 1.0 12V (60 horsepower) automatic version of the Mii, focusing on its technical specifications and characteristics.
SEAT Mii 1.0 12V (60 Hp) Auto: Overview
The SEAT Mii aimed to provide a practical and efficient solution for city driving. Its compact size, nimble handling, and low running costs made it a popular choice for commuters and first-time car buyers in Europe. The 1.0 12V engine, paired with an automatic transmission, offered a balance between fuel economy and ease of use. While not a performance vehicle, the Mii prioritized functionality and affordability within the competitive city car segment.
Engine & Performance
The SEAT Mii 1.0 12V Auto is powered by a naturally aspirated, three-cylinder, 1.0-liter (999 cm3 or 60.96 cubic inches) gasoline engine. This engine produces 60 horsepower (Hp) at 5000-6000 rpm and 95 Nm (70.07 lb.-ft.) of torque between 3000-4300 rpm. The engine utilizes a multi-port manifold fuel injection system and a compression ratio of 10.5:1. Power is delivered to the front wheels via a five-speed automatic transmission.
Performance figures reflect the Mii’s focus on economy rather than speed. Acceleration from 0 to 100 km/h (0-62 mph) takes 15.3 seconds, while 0 to 60 mph is achieved in approximately 14.5 seconds. The Mii has a maximum speed of 160 km/h (99.42 mph). The weight-to-power ratio is 14.3 kg/Hp, and the weight-to-torque ratio is 9 kg/Nm, indicating a relatively low power output for its weight.
Design & Features
The SEAT Mii is a three or five-door hatchback designed to maximize interior space within a small footprint. It measures 3557 mm (140.04 inches) in length, 1641/1645 mm (64.61 inches) in width, and 1478 mm (58.19 inches) in height. The wheelbase is 2420 mm (95.28 inches). The Mii offers seating for five passengers and a minimum trunk (boot) space of 251 liters (8.86 cubic feet).
Safety features, while basic by modern standards, included ABS (Anti-lock Braking System). The Mii’s design prioritized practicality and affordability. The interior was functional and offered adequate space for passengers and cargo. The automatic transmission contributed to ease of driving, particularly in congested urban environments. The Mii’s compact size made it easy to maneuver and park in tight spaces.
Technical Specifications
| General Information | |
| Brand | Seat |
| Model | Mii |
| Generation | Mii |
| Type (Engine) | 1.0 12V (60 Hp) Auto |
| Start of production | October, 2011 |
| End of production | April, 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3-5 |
| Performance Specs | |
| Fuel consumption (urban) | 5.5 l/100 km (42.8 US mpg, 51.4 UK mpg, 18.2 km/l) |
| Fuel consumption (extra urban) | 3.8 l/100 km (61.9 US mpg, 74.3 UK mpg, 26.3 km/l) |
| Fuel consumption (combined) | 4.4 l/100 km (53.5 US mpg, 64.2 UK mpg, 22.7 km/l) |
| CO2 emissions | 103 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 15.3 sec |
| Acceleration 0 – 62 mph | 15.3 sec |
| Acceleration 0 – 60 mph | 14.5 sec |
| Maximum speed | 160 km/h (99.42 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 14.3 kg/Hp |
| Weight-to-torque ratio | 9 kg/Nm |
| Engine Specs | |
| Power | 60 Hp @ 5000-6000 rpm |
| Power per litre | 60.1 Hp/l |
| Torque | 95 Nm @ 3000-4300 rpm (70.07 lb.-ft.) |
| Engine layout | Front, Transverse |
| Engine Model/Code | CHYA |
| Engine displacement | 999 cm3 (60.96 cu. in.) |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Cylinder Bore | 74.5 mm (2.93 in.) |
| Piston Stroke | 76.4 mm (3.01 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Engine oil capacity | 3.4 l (3.59 US qt | 2.99 UK qt) |
| Coolant | 4.1 l (4.33 US qt | 3.61 UK qt) |
| Space, Volume and Weights | |
| Kerb Weight | 857 kg (1889.36 lbs.) |
| Max. weight | 1290 kg (2843.96 lbs.) |
| Max load | 433 kg (954.6 lbs.) |
| Trunk (boot) space – minimum | 251 l (8.86 cu. ft.) |
| Fuel tank capacity | 35 l (9.25 US gal | 7.7 UK gal) |
| Dimensions | |
| Length | 3557 mm (140.04 in.) |
| Width | 1641/1645 mm (64.61 in.) |
| Height | 1478 mm (58.19 in.) |
| Wheelbase | 2420 mm (95.28 in.) |
| Front track | 1428 mm (56.22 in.) |
| Rear track | 1424 mm (56.06 in.) |
| Drivetrain, Brakes and Suspension | |
| Drivetrain Architecture | Front wheel drive, Internal Combustion engine |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Wheel rims size | 14 |
The SEAT Mii 1.0 12V Auto, while not sold in the US market, represented a significant offering in the European city car segment. Its focus on fuel efficiency, practicality, and affordability made it a popular choice for urban drivers. The shared platform with the Škoda Citigo and Volkswagen up! allowed for economies of scale and a competitive price point.


